Why do the leg and pelvic muscles play such an important role in our Qigong exercises with the horse-riding stance?
One of the main reasons is the muscle endocrine function.
A study shows leg resistance exercises pump out more testosterone than elbow flexor exercises do, where  elbow flexor exercises almost do nothing significantly. Quantitatively, the leg resistance exercise men produce 2 times more testosterone than the elbow flexor exercise ones do during the experiments, as shown in
“Resistance exercise-induced increases in putative anabolic hormones do not enhance muscle protein synthesis or intracellular signalling in young men”
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2790261/
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2790261/pdf/tjp0587-5239.pdf
It doesn’t require prescription at all. buying tadalafil tablets This type of therapy has helped many patients rehabilitate from buy generic viagra tennis and golfers elbow. The ensuing nervousness can prompt or compound canadian pharmacy tadalafil erectile brokenness. Anger is waste of positivity- When you cialis online are angry; you do not think about what your partner says may lead to distraction and distances.
Our Qigong exercises are inspired by Wudang Snake, Cheng Style BaguaZhang Mother Palm 八卦掌母掌(low body and leg movements, such as crouching step) , Bioelectricity/Qi , and Kundalini Chakras Awakening
https://www.youtube.com/watch?v=8Up2Mnq7JSM
https://www.youtube.com/watch?v=z12uQY4RTGQ
https://www.youtube.com/watch?v=msbYQOg42zk
The pelvic floor and adductor muscle stretch and gluteus muscle contraction with a load of body weight in a horse-riding stance are highly resistance exercises. BaguaZhang’s low body and leg movements energize the Kundalini  snake in the root Chakras/下丹田/會陰/長強 (the pelvic floor, gluteus, tailbone, and adductor muscles)

Qigong – the Emulation of the Electric Eel’s Bioelectric Generation via  the Cyclic Stretching of Epithelial Cells in the Linings of Body Cavities and Organ Surface

Qigong’s deep breathing (stepwise/digital inhaling and holding) exerts mechanical stimuli  that are transduced into intracellular signals in lung alveolar epithelial cells (AEC) .  The mechanical stress is an important regulator of cell growth  and because extracellular signal-regulated kinase 1/2 (ERK1/2)  are believed to be vital components of proliferative pathways
http://ajplung.physiology.org/content/282/5/L883

Qigong deep breathing pumps the main body’s three cavities – the thoracic, abdominal and pelvic cavity to stretch the epithelial cells in the cavity linings and the internal organs, resulting in bioelectric generation via the piezoelectric effect and the cellular ion-channel depolarization.  The generated bioelectric pulses thus charge the dopamine nervous system via the vagus nerves.  The Qigong effectiveness on the brain and nervous function is better than drugs’.

Qigong stretching exercises stretch cells and provide a general means of altering protein conformation to generate signals.  Force-induced effects on conformation trigger the muscular endocrine mechanism in which enzymatic activity or protein interactions chemically mediate bioelectric signaling, in addition to depolarizing the afferent neuron producing an action potential with sufficient depolarization.
http://www.sciencedirect.com/science/article/pii/S153458070500482X
http://en.wikipedia.org/wiki/Stretch-activated_ion_channel#cite_note-Purves.2C_p.207-209-1
More information on stretch-activated ion channel –
Depression & buying viagra prescription anxiety is connected with augmented risk of developing certain health issues such as diabetes. It is then cheap levitra ejaculated during lovemaking act at the time of IUI or IVF cycle. Too much of consumption with magnesium from cheapest cialis http://www.cerritosmedicalcenter.com/ supplement or medicine might give you unpleasant gastrointestinal side effects. It will be convenient so that you can tadalafil samples remember. http://www.nature.com/scitable/topicpage/ion-channel-14047658 (this article describes the basic of ion channel.)
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1193237/pdf/jphysiol00593-0701.pdf
http://ajpheart.physiology.org/content/262/4/H1110.short
http://link.springer.com/article/10.1007/BF00582635
http://jap.physiology.org/cgi/pmidlookup?view=long&pmid=10642367
http://jap.physiology.org/content/94/6/2475
http://www.ncbi.nlm.nih.gov/pubmed/15298539
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1474216/
Stretch-Activated Ion Channels: What Are They?
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2924431/

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Note: The G-spot is a zone which contains the
sensory neurons supplied by the vagus nerve
(the tenth cranial nerve or CN X) wandering into
the pelvic cavity outside the spinal cord,
the somatic nerve in the spinal discs (T12 – L2)
and the sacral segments (S2-S4), the
sympathetic nerve in (T12 – L2), and the
parasympathetic nerve in (S2–S4).
Inside the vagina from the G-spot to the fornix
vagina and the cervix, the vagina canal
is predominantly composed of smooth muscle,
where the nervous sensing and control
are dominated by the vagus nerve, the
sympathetic nerve and the parasympathetic
nerve. From the vagial orifice to the G-spot,
the outer vaginal section is predominantly
composite of skeletal muscle, where the
somatic nerve is dominant, with a layer of
smooth muscle around the urethra orifice.
Noticeably, the nervous supply in the smooth
muscle is provided by the vagus nerve,
the sympathetic nervous system, and
parasympathetic nervous system.

Electrifying Orgasm – The mutual enhancement of Qi projection between  the glans penis and the cervix/uterus.

Orgasm is a phenomena of the genital smooth muscle contraction, in conjunction with the pelvic floor muscle contraction, that sends the piezoelectric surges or pulses back to the brain via the vagus nerve, The generated electric current also transmits to the cervix and uterus from the male glans.
In addition to the piezoelectric effect, the penile and prostate smooth muscles and the pelvic floor skeletal muscles also contain some excitable cells which can generate a electric current via the sodium/potassium ATPase (sodium-potassium adenosine triphosphatase, also known as Na+ /K+ pump, sodium-potassium pump ) under stretching and acetylcholine induced depolarization-repolarization cycles. The male orgasm ejaculation contraction can induce the female partner orgasm via the ejaculation-contraction-induced electric current. Women can usually experience extra orgasm via their partners’ ejaculation hot semen (thermal induced Na+ /K+ pump, and prostaglandin E2 induced cervical/uterine contraction) and the ejaculation-contraction-induced electric current. During ejaculation orgasm, the ballooning penis pumps out a electric current like the electric eel. Instead of self defense like the electric eel does, this “electric eel” actually helps men deliver extra pleasure to their partner. This phenomenon is called electrifying orgasm.

Once the woman starts to experience electrifying orgasm, her uterine and cervic contraction will also generate a powerful bioelectricity to intensify the bioelectromagentic field for both the vagina/uterus/cervix  and the glans penis.
The experiment shows that the testosterone is very important in sexual behavior maintaining and purchase viagra online discover over here it cannot be replaced by other chemical injection. These are recommended by doctors plus they always keep a supply of them. cheap super cialis During next month’s runoff he is set to effects of viagra go against former City Commissioner Ed Braddy. There are many drugs levitra without prescription without prescription available online if you are an adult in Texas getting your driver’s license for the first time.
Thus, electrifying orgasm is the ultimate goal of of double cultivation of sexual energy for the Sexual Qigong (ChiKung) intercourse (陰陽調和雙修運功行氣法) with the 3-point excitation method.

The 3-point excitation love position for Double Cultivation with Anal Breathing Qigong
In Sexual QiGong Intercourse with Lotus Stting

The inter-body Qi Circulation can be done by the vagus nervous stimulation between the glans and
cervix/Epicenter, and between the male pubis and female pubis/cliroris; with the mutual deep toungue
peneration kissing that activates the hypoglossal nerve CN-XII and the trigeminal nerve CN-V.

The penile hypersensitivity is due to  a lack of endorphrine and insufficient erection to overcome the excessive prostaglandin E2 and histamine stimulation on the prostate, urethra and penis as described in http://action.love/WordPress/2014/01/22/orgasm-histamine-receptors-h1-h2-and-h3-and-premature-eejaculation/
The penile ballooning effect (http://action.love/WordPress/2014/02/25/theory-of-penile-ballooning-enlargement/ )  will reduce the per-squared-inch  nervous sensors density.
When the penile volume increases 140% in the ballooning stage, the glans surface area increases 120%, and thus the glans nervous sensors density reduces  to 83% (= 1/1.2),
that is 17% reduction in sensitivity.
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Endorphrine released to the bloodstream will also reach the brain to cool down the hypothalamus during sex.
Therefore, a powerful, rock-hard erection can help men to last 30-120 minutes until the prostate, seminal vesicles, bulbourethral glands, urethral and penile tissues fire up prostaglandin E-2 and histamine to induce semen emission and flood the prostate/bulbourethral fluid (known as precum) to clean up the ejaculation duct ( prostate ejaculation path and urethra).
Once the precum leaks out, man, you are about to come.

Qigong Principle:  Use somatic motor nervous control to stretch and contract muscles and neurons to generate bioelectric currents to charge the vagus and spinal nerves via  stretch-activated ion channels.
http://www.nature.com/ki/journal/v48/n4/pdf/ki1995397a.pdf
This means Qigong electrically charge the nervous system and brain in Three (3) ways:
1. piezoelectric effects of biomass;
2. activation of ion channels;
3. hormone production from LDL via the muscle neuroendocrine function with the liver cytochrome P450 enzymes – http://en.wikipedia.org/wiki/Cytochrome_P450#mediaviewer/File:Steroidogenesis.svg

Qigong uses the somatomotoring nerves, aka mind control and movement, to generate piezoelectric , mechanical, thermomatic somatosensory and vagus / autonomic nervous responses via the coupling interneurons of the local spinal cord discs, and to cause the stretch-activated ion channel for depolarization and thus bioelectric generation,  in addition to the induction of the endocrine function in the vibrating (stretching and contracting) muscles. You use somatomotoring nerves to move your mind from cerebral cortex (百會穴, on the top of your head) to your thorasis, andomen and pelvic cavities (http://droualb.faculty.mjc.edu/…/chapter_10%20Fall%202011.h… ), and then contract the gluteus muscles against the tailbone (followed by squeezing/contracting the shoulder blades toward/ against the spine) to complete the somatic nervous action. Under the somatomotoring muscular and nervous stimulation, the somatosensory pathway transmits information from the local thermoreceptors and nociceptors in response to heat generated by the piezoelectric pulse and androgen hormone release in the tailbone and pelvic area, so that you can feel you are circulating Qi ! It is worthwhile to learn the somatic nervous circuit although the vagus and autonomic response circuits are another story to tell next. In fact, I use the the somatosensory stimulation on the periaqueductal gray (PAG) and nucleus raphe magnus (NRM) of the brainstem to initiate the endorphine and serotonin release to achieve the ejaculation /orgasmic control with the nociceptors in the pelvic floor (including prostate and seminal vesicles) for endorphine and serotonin nervous targeting while using both the bulbocavernosus( penile/clitoral S2-S4 nerve) <=> sacral reflex arc and the pubis => medulla oblongata => bulbocavernosus(penile/clitoral/uterine) vagus reflex arc to power enhance erection. You can prolong sex for 1-2 hours when endorphine and serotonin are releasing from PAG and NRM, as well as local erectile tissues (with an extremely erectile  ballooning effect), under nervous stimulation of central dopamine (oxytocinergic nervous pathway),  Nitric Oxide (parasympathetic-NOnergic nervous erectile mechanism) , norepinephrine (androgenic beta receptors – the sympathetic nervous erectile mechanism) and  epinephrine (androgenic beta receptors) – (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2993853/pdf/nihms245416.pdf ). I have trained midnight cowboys to take care of 10 ladies in one night by this way. In this regard, you have to last for 3 hours without back down. I means you must have sufficient dopamine in the hypothalamus to burn for 3 hours. Once the brain’s dopamine is burned out (that is a low dopamine with excessive norepinephrine and epinephrine), the pituitary gland releases prolactin to constrict your penile arteries, and then. your erection will go limp, that is the sympathetic nervous flight. Hereafter, your fun is over for a while. Some useful references: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2993853/pdf/nihms245416.pdf ; http://neuroscience.uth.tmc.edu/toc.htm; http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2682726/pdf/nihms-106342.pdf; http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3104618/pdf/hmj6903_0070.pdf; http://www.ncbi.nlm.nih.gov/pubmed/197601; http://press.endocrine.org/doi/pdf/10.1210/en.2003-1287

The principle of the Anal Breathing Qigong for ejaculation control or prolonging sex is based upon the trained cerebellar-tailbone reflex arc where the input sensory nerve can be from the eyes (visual sexual stimulation) , ears (audio sexual stimulation), penis, prostate, seminal vesicles or pelvic floor muscles. This trained reflex arc directs the response motoring efferent to the tailbone, instead of the prostate and the seminal vesicles, to prevent semen emission and ultimate ejaculation. It also activates the sacral => bulbocavernosus reflex arc for more powerful erection via the tailbone and anal muscles contraction.

OK. Let me outline Practices of Dr. Lin’s Aquila Anal Breathing QiGong- For Vagus And Spinal Nervous Stimulation (打通奇經八脈的天鷹牛郎迷走神功):

The horse-riding stance is the essential posture for Qigong practice.  This is becaues the horse-riding stance naturally expands or stretches the perineum (pelvic floor muscle) with groin pull or adductor muscle stretching, and relax the scrotum (hanging and moving freely), to allow Qi (somatomotor nervous flow) to sink (pulse) into the effectors testicles and glans penis (or clitoris, for women). In Tantra Yoga, it is called “Open the root Chakra.” In Qigong, it is named “Sink Qi to DanTien,” where DanTien is referred to the pelvic cavity that includes the organs inside and the testicles which was inside too in the fetus. 
Perform an elliptic rotation of your pubic bone ( http://action.love/PelvicEllipticMotions.wmv )with the following sequence: inhale into the pelvic cavity (sink Qi into DanTien); exert a light pressure against your bladder (focus Qi toward your pubis to activate the vagus nerve to the glans penis or glans clitoris); Sink your torso slightly (about 6 inches or so); Move your pubis forward (for pubic expansion and penile/clitoral vagus nerve stimulation) and then upward while contracting your gluteus maximus against your tailhone (for S1-S5 and Co nervous stimulation with a mild stimulation on L1-L5): Simultaneously expand your chest contract your shoulder blades against your spine (full spinal nervous stimulation from your tailbone (coccygeal) Co upto your cervical nerves C1,http://en.wikipedia.org/wiki/Spinal_cord… ) further bend your neck/head backward to compress your cervvical nerves and expand your thyroid gland when moving your pubis upward and continuously contracting your gluteus maximus against your tailbone, where you can repetitively perform the pelvic inhaling and pubic expansion and contract the gluteus and the shoulder blades against the tailbone and spine, respectively, for 5-20 cycles, at a rate of 1.25 second per cycle (or 0.8 Hz); Finally, return your pubis and torso back to the originally position with exhaling. Practice it for 20-30 minutes 2-3 times a day. Why should you practice 30 minutes? http://action.love/…/how-does-aquila-anal-breathing…/

The elliptic movement of the pubis and pelvic bones with horse-riding stance is the piezoelectric and sex-hormone generator for charging central dopamine- thalamus / hypothalamus-pituitary axis via the electrifying and hormonal stimulation of the vagus and peripheral nervous system – somatic nervous system and the autonomic nervous system with sensory nerves.

Prostaglandin E2 and Your Life (revising)

http://en.wikipedia.org/wiki/Prostaglandin_E2#mediaviewer/File:Prostaglandin_E2.svg

Although Prostaglandin E2 starts your life by allowing a sperm to fertilize an egg (disabling the egg immunity), lets you get out of the uterus (uterine ripping for childbirth) and grows your body (stimulating your cell, brain, memory, and bone growth), it can end your life with infection, inflammation, fever, immune disorders and cancers. During your puberty, it lets you experience growing pains. After you pass puberty, you should reduce/adjust your cellular prostaglandin E2 release, so that it won’t activate cancerous DNA for you.

Stress neurohormones norepinephrine and epinephrine can induce prostaglandin E2 release via stimulation of ?₁– and ?₂-noradrenergic receptors. weight loss. It produces sympathetic nervous fire (??) in the brain and internal organs. anti fungus. It acts a warning sign of over-heating or excessive stress for your body.  The most common sign is gum inflammation or oral bad smell (liver and lungs overheating).

Prostaglandin E2 heats up the central brain temperature for fever.

During sexual arousal, prostaglandin E2 gives you sex headaches, interstitial cystitis (ic) symptoms,  unwanted discharge from the penis or the vagina, yeast infection, pain and inflammation in sex organs, premature orgasm, semen leakage and premature ejaculation.

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1. “Cancer-stimulated mesenchymal stem cells create a carcinoma stem cell niche via prostaglandin E2 signaling.” – http://www.ncbi.nlm.nih.gov/pubmed/22763855 ;
2. “Interleukin-17 and prostaglandin E2 are involved in formation of an M2 macrophage-dominant microenvironment in lung cancer.” –http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3378786/pdf/nihms369069.pdf ;
3. “The role of the EP receptors for prostaglandin E2 in skin and skin cancer.” –http://www.ncbi.nlm.nih.gov/pubmed/22012553 ;
4. “Prostaglandin E2 EP receptors as therapeutic targets in breast cancer.” –http://www.ncbi.nlm.nih.gov/pubmed/22002714
Here is a simple, natural anti-PGE2 drug “Resolvin” : Omega-3 + Aspirin or water willow’s salicin – http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3186038/pdf/medrep-03-19.pdf; http://en.wikipedia.org/wiki/Resolvin

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Aquila Anal Breathing QiGong Induced Erection and Orgasm, as Qigong Erection and Orgasm. (This article is under editing)

First, give you my readers’ experiences:

Anal Breathing Qigong induces erection 1

Reader’s Experiences on Qigong induced erection 2 – The Anal Breathing Qigong lifts the testicles up and down with relaxation and contraction of the cremaster muscle, also known as Testicular Breathing, and stretches the symphysis pubis and its adjacent muscles to produce piezoelectricity for electrifying the local vagus nerves; thus, exerts a very powerful vagus, parasympathetic (S2-S4) and sympathetic (L1-L2) nervous stimulation on the testicles and cremaster muscle for a boost of the testicular function; and train a cremaster reflex arc of sympathetic nerves L1-L2 to replace the ejaculation/orgasm reflex arc for ejaculation control.
In the Penile Ballooning (Power-up) of my book “Resonant Excitation of Sexual Orgasms”, my penile enlargement instructions and advices also include the testicular massage and cremaster stretching. for nervous stimulation. In particular, pulling down the testicles couple times can eliminate ejaculation urgency for the 2nd- or 3rd-stage erection during sex or during penile ballooning practices when you feel about to ejaculate.  Anal Breathing Qigong emulates this action without touching the testicles and scrotum!
In fact, Anal Breathing Qigong is for both ejaculation control and penile enlargement practices.

Noticeably, now we have realized the bulbocavernosus( penile/clitoral S2-S4 nerve) <=> sacral reflex arc and the pubis => medulla oblongata => bulbocavernosus(penile/clitoral/uterine) vagus reflex arc are responsible for spontaneous erection during Qigong practice. The principle of the Anal Breathing Qigong for ejaculation control or prolonging sex is based upon the trained cerebellar-tailbone reflex arc where the input sensory nerve can be from the eyes (visual sexual stimulation) , ears (audio sexual stimulation), penis, prostate, seminal vesicles or pelvic floor muscles. This trained reflex arc directs the response motoring efferent to the tailbone, instead of the prostate and the seminal vesicles, to prevent semen emission and ultimate ejaculation. It also activates the sacral => bulbocavernosus reflex arc for more powerful erection via the tailbone and anal muscles contraction.

To maximize the benefits of the following solo QiGong or the Sexual Double-cultivation Qigong practice, you will have to do it for about 30-60 minutes, so that the pelvic organs (the ovaries, the uterus, the cervix, the vagina,  the greater or lesser vestibular glands, Skene’s glands, the urethra, the bladder, the prostate, the seminal vesicles, bulbourethal glands, etc. ) and the testicles and the penis or the clitoris can fully bath in the blood https://www.ncahcsp.org/buy-ambien-online/ flow and cook sex hormones and semen and natural lubrication.  In other words, Anal Breathing Qigong will pump more blood flow into the pelvic area and sex organs.
When your testicular or ovarian function runs down, exercising your muscles can help. The biggest muscle group in your body is in your bottom line – the gluteus and pelvic floor muscles.  A combination of this muscle group with sex organs forms the most powerful energy (Qi, the nervous electricity) generator of the entire body.  The trick is to pump more blood into this energy center and to perform muscular expansion-contraction (without compression) exercises for the gluteus, the symphysis pubis  and the pelvic floor muscles.
Helpful references:
1. Expression of steroidogenic enzymes and synthesis of sex steroid hormones from DHEA in skeletal muscle of rats – http://ajpendo.physiology.org/content/ajpendo/292/2/E577.full.pdf
2. Resistance training restores muscle sex steroid hormone steroidogenesis in older men – http://www.ncbi.nlm.nih.gov/pubmed/24443372
and
3. Effect of resistance exercise on muscle steroidogenesis –http://jap.physiology.org/content/jap/105/6/1754.full.pdf

Classification of Anal Breathing QiGong Based Upon Postures

There are three methods to perform Anal Breathing Qigong:
1. Simple Classical Method (?????????????) with any postures for prolonging sex, but requiring to hold a slight pressure against the bladder (or to sink/focus Qi into the pelvic cavity) for avoiding pubococcygeus (PC) muscle compression while periodically contracting/lifting the tailbone-anus muscle (ligament);
2. Horse-Riding Stance Qigong Exercises (????????????) also known as Aquila Anal Breathing Qigong Exercises ((????????) for both sexual power and prolonging sex via the dynamic stretching-release cycling of the pelvic floor muscles, symphysis pubis and testicles/scrotum, while performing the periodical contraction of gluteus maximus against the tailbone muscles,  with each pelvic Qi pumping/sinking cycle;
3. Lotus Sitting Microcosmic Orbit Qi Circulation ( (???????????? – ???)  from Focusing Qi (??) to Reactive Qi (??) for prolonging sex via the periodic contraction of the anal and tailbone muscles against the Lotus Sitting pre-expanding or pre-stretching (pre-stressed) of pelvic flood muscles without PC muscle compression.
Noticeably, there are many Lotus Stance postures with variation of the leg positions. A full Lotus Stance is a position of sitting on the floor with legs crossed, where the right (left) foot is put on the left (right) thigh and then put the left (right) foot crossed over the right (left) leg onto the right (left) thigh. This position blocks the floor blood circulation and the nervous transmission in the pelvic floor and butts, fully constrains the butt and pelvic floor muscle, and only allows the low abdominal muscle to have a small expansion-contraction movement and the annal muscle to have a very limit contraction movement. Buddhism monks and nuns use this mediation position to castrate sex organs. Thus, the full lotus position is not good for sex. On the other hand, we use a semi-lotus position (as shown in http://en.wikipedia.org/wiki/Meditative_postures#mediaviewer/File:Bronze_statue_of_man_in_half-lotus.jpg )  to circulate Qi. This position is to sit on a soft pad to lift the butt and torso about 1-2 inches above the freely crossing legs which don’t overlap each other and  don’t constrain the pelvic floor muscles, the butt muscles (such as the gluteus muscle groups), anus and tailbone muscles. This position allows the torso to move, to incline and to rotate, and of course, the most important key point is to perform Anal Breathing Qigong with expanding the pelvic floor muscles and contracting the gluteus muscles against the anus-tailbone muscle. This position is our Qigong Lotus Stance. Noticeably, after stretching the pelvic floor muscles, you can contract the pubococcygeal (PC) muscle without worrying about compressing the seminal vesicles, prostate and bulbourethral glands.

Hint for transformation of the Horse-riding stance to the meditation Lotus Sitting Position for Qi generation:
You can train your gluteus and tailbone muscles to contract automatically.
It is a trained nervous reflex in the medulla oblongata (vagus nerve)  and cerebellum (somatic) and spinal cord discs L1-L5 (sympathetic), and S1-S5/Co (parasympathetic). Once the nervous reflex training is done, the gluteus muscle contraction against the tailbone will be automatically triggered when you moves your mind focus (somatic nervous control Qi) from the low abdomen/pubis  (low DanTien) to the tailbone (coccyx, ?? cháng qiáng acupuncture point). Semi-lotus sitting positions stretch the perineum muscles and activate the spinal (somatic and autonomic) nerves, ready for initiation of muscle endocrine function and biomass (bone, muscle, ligament and tender) piezoelectric generation to charge both spinal and vagus nervous system, as Kundalini energy or Chinese “Qi.” All you need is to oscillate  the somatic nervous control Qi from the low DanTien to coccyx.

From Qigong Lotus Stance to Sexual Double-Cultivation Qigong Intercourse  (???????????) with Three-point Excitation Love Position

The inter-body Qi Circulation can be done by the vagus nervous stimulation between the glans and cervix/Epicenter, and between the male pubis and female pubis/cliroris; with the mutual deep toungue penetration kissing that activates the hypoglossal nerve CN-XII and the trigeminal nerve CN-V.

The Lotus Sitting position is not useful for sex due to difficulty of moving the male pubis against the clitoris and female pubis, but it is useful for pumping Reactive Qi upward in solo practices via anal/tailbone contraction. Therefore, I modified it with a 5-30 degree inclination of back support to form my 3-point Excitation Love Position for both female orgasm excitation and male ejaculation control. With this lovemaking position, a lovemaking couple can not only circulate their own Qi upward, but also perform inter-Qi circulation across two bodies via the penis/glans, vagina/cervix, symphysis pubis and deep-tongue penetration kissing when they rest in the Lotus Sitting with vaginal penetration. They just simply contract the anus and the vagina at rest. The man can also contract the gluteus maximus against the anus-tailbone muscle and push the pubis up and down to against the woman’s clitoris and pubis to power erection for both sexes.  If both the penis and vagina are very hot, the woman’s periodical vaginal and anal contraction against the hot, hard penis can induce orgasm herself without any movement, as long as the man keeps pumping his hot blood into his penis to maintain a hard erection.  The man should periodically pump Qi into his scrotum and testicles, so that the testicles can get stimulated to release testosterone and DHT by moving up and down the testicles.   In the dynamic Sexual Qigong Intercourse movement, the man can hold a light pressure against the bladder with periodically contracting gluteus maximus against ( or steadily holding the contraction force to uplift or  tighten) his anal-tailbone muscle, as described in the simple classical Qigong,  when the female pubis (and clitoris) swings over his pubis with the anal-vaginal contraction. The inter-body Qi Circulation can be done by the vagus nervous stimulation between the glans and cervix/Epicenter, and  between the male pubis and female pubis/cliroris; with the mutual deep toungue  penetration kissing that activates the hypoglossal nerve CN-XII (http://en.wikipedia.org/wiki/Hypoglossal_nerve#mediaviewer/File:Gray794.png; http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882282/pdf/PE_7_5_37.pdf) and the trigeminal nerve CN-V (http://en.wikipedia.org/wiki/Trigeminal_nerve#mediaviewer/File:Grant_1962_654.png; http://www.ncbi.nlm.nih.gov/books/NBK384/).

Double cultivation of sexual energy for at least 20-30 minutes during lovemaking with the vagus nervous stimulation on the pubis, the clitoris, the Epicenter/cervix, and the glans penis can power erectile function for both sexes, boost the testicular and ovarian function, cook more semen and sex hormones,  and trigger powerful ejaculation and orgasm.  This type of lovemaking is named as Sexual Qigong (ChiKung) intercourse (???????????).

Double Cultivation with Anal Breathing Qigong
In Sexual Qigong Intercourse with Lotus Sitting
Known as the Three-point Excitation Love Position

The classical Anal Breathing approach, described in http://action.love/love/book.htm, begins with a deep  thoracic inhaling expansion and move the somatic expansion force (Qi) from the thoracic cavity down to the abdominal and pelvic (including testicular) cavities; then hold a light pressure (sinking Qi) inside the pelvic cavity (against the bladder) while contracting the tailbone muscles with each shallow inhaling using the low abdominal/pelvic muscle. Holding a light pressure (ie. holding the Qi) inside the pelvic cavity against the bladder allows us to  contract the anus-tailbone muscles without worrying about the compression of the PC muscle.
The advanced Anal Breathing includes QiGong  exercises (expansion-release cycling) ) of the entire pelvic floor muscles driven by the contraction of the gluteus maximus with the horse-riding stance that loads a pre-stress expansion (instead of compression or contraction)  on the pelvic floor muscles, like a pre-stressed concrete for bridges.  In the Anal Breathing QiGong, we simply release the somatic pre-stressed force (Qi, too) in each breathing cycle, like cars running over a pre-stressed bridge.

My original intention of Anal Breathing is to prolong sex and to achieve ejaculation control. If I use the horse-riding stance, move the symphysis pubis forward, and sink Qi into the pelvic cavity scrotum, and contract the gluteus maximus against the tailbone, I am able to produce the 2nd-stage penile ballooning effects.  The horse-riding stance exerts a stretching tension force on the pelvic floor muscles to avoid compression on the pelvic organs such as the prostate and bulbourethral glands and to allow more blood flow to get into the pelvic organs and muscles. I have found this advanced approach not only prolong sex, but also induce more blood flow into the penis and testicles for the penile ballooning effect.  I have observed the testicles and scrotum  relax and drop down when I sink Qi into the pelvic cavity, scrotum and testicles. When I contract the gluteus maximus against the tailbone muscle, the testicles and scrotum uplift. Thus, in each inhaling cycle, the testicles and scrotum move up and down. In addition, the horse-riding stance and moving or rotating the symphysis pubis with each inhaling cycle produce an expansion-release cycle to induce blood flow into the entire pelvic floor muscles,  as well as activating the vagus, parasympathetic and sympathetic nerves in the pelvic cavity, the penis and the testicles.   The blood flow will be redirected to the penis for erection when the testicular function and the tissue/muscle endocrine function release sufficient testosterone and DHT. The spontaneous erection can happen after practicing this Anal Breathing Qigong for few minutes.  It naturally stimulates spontaneous erection at rest or during the night or/and sleeping.

You need 3-6 months training practices to encode your local somatic nerves (the somatic action potential on the muscles or tissues is called Qi) in the pelvic cavity, pelvic floor, tailbone and testicles/scrotum into neuroplasticity.  Focusing Qi is referred as efferent nervous action on a special spot or organ. The reacting Qi , which can be somatic or autonomic,  is an afferent nervous action potential generated by local muscles or organs in response to somatic efferent Qi. The basic training is on how to focus Qi into a special spot or organ.

How to train your  gluteus muscle to contract against your tailbone
1. Split your legs with a distance of 2 x  your shoulders width;
2. Sit in the air with the horseback riding posture (Tai Chi horse-riding posture);
3. Move your pubic forward and bend your upper body (shoulders and head) backward to induce the natural contraction of your butts against your tailbone.
You need a lot of practice for the butts’ gluteusl muscle to get used to the contraction in any position and any time whenever you want.  Practices of moving your pubic forward and bending your upper body is not only for training, but also for powering erection and ejaculation control during sex.
This QiGong practice is to train you for sitting the horseback riding posture with the pubis movements  (back-forth and rotation) along with the gluteus muscle contraction against the tailbone-anus muscles for 15-30 minutes.

The horse-riding stance with gluteal muscle contraction is the foundation of Aquali Anal Breathing QiGong

The tailbone muscle consists of anococcygeus ligament and coccygeus (ischiococcygeus) muscle. The anococcygeus ligament is an fibrous median raphe in the pelvic floor,  laying between the coccyx and the margin of the anus.  The coccygeus muscle is attached to  the lower sacrum and the tailbone from the ischium (lower, rear portion of the hipbone) and from the ligaments that join the spinal column and the sacrum (triangular bone at the base of the spine), as shown in https://www.google.com/search?q=coccygeal+muscle&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=2MTaU-eyDaaO8gHH_4G4Dg&ved=0CAgQ_AUoAQ&biw=1472&bih=796#facrc=_&imgdii=_cGYv8BDEfy1wM%3A%3BxnU004Lnl_zmvM%3B_cGYv8BDEfy1wM%3A&imgrc=_cGYv8BDEfy1wM%253A%3Bci3jbvBSEFJwQM%3Bhttp%253A%252F%252Flucy.stanford.edu%252Fimg%252FImageCA_562_2.jpg%3Bhttp%253A%252F%252Flucy.stanford.edu%252Fcoccygeus1.html%3B450%3B271. If you were a dog,  the coccygeus would let you wag your tail side to side.
The anococcygeus, embodying the first acupuncture point (Chang Qiang ??) of the Governing Vessel ??,  plays a critical role in ejaculation control via the parasympathetic nerves S2-S5.  Stimulating Change Qiang can generate a powerful orgasm-like surge into the spine without ejaculation (achieving orgasm via anal sex???) while stimulating the pubococcygeus muscle (or PC muscle), which embodies the first acupuncture point Hwei Yin ?? of  Conceptive Vessel ??,  will result in activation of the prostate and bulbourethral gland sympathetic nerves L1-L3  for pre-ejaculation fluid leakage or seminal emission.  Both muscles lay in the opposite side of the anus and play an opposite role in sexual function.  However,  there are too close for comfort. To troubleshoot this contradional effect in sexual function. we employ the horse-riding stance with contraction of gluteus maximus against the tailbone to harmonize their effects.  Noticeably, the gluteus maximus muscle is also connected to the tailbone and the adjacent bones in the buttocks. It partially wraps over the anococcygeus and the coccygeus. The gluteus maximus is the strongest muscle in the human body, which can compress the coccyx and the coccygeus to piezoelectrically induce a powerful, electrifying signal for the spinal nerves.
In the horse-riding stance,  the pelvic floor (perineal) muscles  including anococcygeus muscle, ischiococcygeus muscle,  pubococcygeus muscle (or PC muscle), iliococcygeus muscle, ischiocavernosus muscle, and superficial transverse perineal muscle are stretching and the prostate, seminal vesicles and bulbourethral glands are fully relaxing in the expanding pelvic cavity. This will help you last longer. Contracting the gluteus maximus muscles against the tailbone,  ischiococcygeus muscle, and anococcygeus muscle will generate you a fake orgasm surge via  parasympathetic nerves S2-S5 to calm down your sympathetic nerves in the hypothalamus, and deactivate the sympathetic nervous orgasm/ejaculation generator inside  the autonomic reflex arcs of  the Disc L1-L3.
Besides, exercising the pelvic floor muscles will stimulate the local androgen receptors to turn cholesterol into androgen hormones, such as DHEA, androstenedione, testosterone and DHT, with the liver P450 enzymes, in addition to elevation of the testicular (or ovarian) function. Thus, the pelvic floor muscles function as a powerhouse of sexual energy.  This is Traditional Chinese Medicine and Taoists image the acupuncture points Hwei Yin ?? and Chang Qiang ?? as the hot buttons of sexual energy. Realistically,  the entire pelvic flood muscles do work! 
Moving the pelvis up and down to shake the glans and testicles will activate the pelvic/testicular/penile vagus nerve to initiate the blood flowing into  the testicles and penis where the vagus sensory nerve are stimulated  Moving the pubis back and forth will expand the pubis to further stimulate the vagus nerve,  and will naturally contract the gluteal muscle against the tailbone muscle while further expanding the stretching of the pubococcygeus muscle (or PC muscle), iliococcygeus muscle, ischiocavernosus muscle, and superficial transverse perineal muscle, leading to a powerful stimulation of the S2-S5 parasympathetic nerves. Rotating the pubis with a vertically or horizontally elliptical motion in the horse-riding stance will produce a triple action on the penis, testicles and prostate:  more blood flow for penile erection, more blood supply for testicular androgen hormone production, and prostate relaxation.  Aquali Anal Breathing Qigong will let you do this with thoracics/abdomen/pelvic cavity inhaling/breathing for vagus nerve stimulation.  If you can do it for 30 minutes, your dopamine, HGH and androgen hormone will shoot up to the roof.   Applying this technique to sex will let you last longer with a powerful erection, and increase your dopamine, HGH and androgen hormone, so that you can get a full benefit from sex …. By the way, your erection must last longer than 30 minutes, so that your testicles can get sufficient nutrients from the pelvic and testicular blood flow to cook more androgen hormone (testosterone and DHT) in conjunction with the vagus nerve stimulation from the glans penis and testicles to the hypothalamus-pituitary axis for HGH, oxytocin, LH and FSH release that, in turn, further stimulates the testicular function (ovarian function for woman via the cervix and glans clitoral vagus nerves).  Aquali Anal Breathing QiGong is to train you to perform about 2000 strokes in a 30- minute love session. Incorporating Aquali Anal Breathing QiGong into sex, your serum androgen hormone will be elevated by the testicular function and the muscular stretching-contraction effects.  The maximum benefit can be achieved from 45-60 minute sex with Aquali Anal Breathing QiGong. Beyond 60 minutes, your stress response axis,  the hypothalamus-pituitary-adrenal axis, will activate the stress responses with elevation of the hypothalamic and adrenal dopamine-norepinephrine-epinephrine conversion and a drop of dopamine to force the pituitary gland to release a high level of prolactin, leading to the flaccid state that returns the blood flow from your testicles and penis (female clitoris glans) back to your body.

Promoting blood flow toward your sex organ by stretching/expanding your pelvic muscles while periodically contracting your gluteus maximus against your tailbone muscles.

You have to relax (and expand) the pelvic and pubic muscles to induce blood flow toward your pelvic or sex organs (male penis and testicles; female uterus, vagina and clitoris) while contracting the tailbone muscles. Here we use male sex organs for explanation.
The horse-riding posture with moving or rotating symphysis pubis will allow more blood flowing into your entire pelvic cavity, perineum floor muscles, testicles and penis while stimulating the vagus and S2-S4 nerves for activation of both the parasympathetic nervous erectile mechanism and the vagus-dopamine-hypothalamus-pituitary interaction.
The vagus-dopamine-hypothalamus-pituitary interaction relaying from expansion-compression cycling of the symphysis pubis, the glans penis, and the testicles are very critical in the Anala Breathing Qigong practice. Performing vertically or horizontally ecliptic movement (expansion-compression ) of your symphysis pubis  will induce piezoelectricity for the local vagus sensory nerve to charge the dopamine-hypothalamus-pituitary axis .   When sinking Qi from the abdominal cavity into the pelvic cavity,  you will see your scrotum and testicles moving downward and hanging low, which is termed as testicular breathing; while contracting the gluteus maximus against the tailbone for anal breathing, you will see your scrotum and testicles uplifting.  The cycling movement of the scrotum and testicles will also stimulate the vagus nerve in the testicles.
The vagus-dopamine-hypothalamus-pituitary stimulation increases the release of oxytocin that helps you keep your testicular and penile arteries dilating for longer time; thus, you can erect harder and longer.

Here is our reader’s experience on Qigong induced erection:

Anal Breathing Qigong induces erection

How do you know you do it right?

If you contract the gluteus muscles against the tailbone (coccyx,)  you will feel a heat flowing into your tailbone after 5-10 cycles. In fact, each contraction uplifts the anococcygeus ligament (raphe)  toward your tailbone to stimulate the anococcygeus nerve (S4-S5 and Co) for the heat flow generation.  The gluteus muscle contraction against the tailbone also stimulates the pudendal nerves (S2-S4) and arteries to the anus, testicles and penis. You can get erection too during anal breathing practices with the horse-riding stance or in a relaxation sitting position, even without sexual stimulation. Anal Breathing Qigong movement with the horse-riding stance performs periodically expansion of the symphysis pubis which generates piezoelectricity to charge the penile branch of the pudendal nerves, known as the dorsal nerve of penis.  This gives me spontaneous erection during Qigong practice. It makes the erection harder and last much longer during sex. This is why I like to use the horse-riding stance to have sex. It allows you to perform 1000-3000 love thrusts at a high-frequency stimulation of 2.5 thrusts per second. It is like a love-making robot doing the job.
However, if you compress the prostate, seminal vesicles and bulbourethral glands though the PC muscle contraction, you will have precum (pre-ejaculation fluid) or semen leakage out.
Both distinguishable signs will let you know if you practice anal breathing correctly.
The correct anal breathing muscle movement lets you feel heat in the tailbone without precum leakage.

By the way, the anococcygeus nerve  and the dorsal nerve of penis are illustrated in
https://www.google.com/search?noj=1&biw=1051&bih=568&site=webhp&tbm=isch&sa=1&q=male+Anococcygeal+nerve&oq=male+Anococcygeal+nerve&gs_l=img.12…110955.111776.0.114294.5.5.0.0.0.0.84.401.5.5.0.cprnk%2Cepqfirst%3Dtrue…0…1.1.51.img..5.0.0.C1vAHoKGp7o#facrc=_&imgdii=_&imgrc=43DDUuDGzyIOxM%253A%3BXOi_wcqxDtgmQM%3Bhttp%253A%252F%252Fa248.e.akamai.net%252F7%252F248%252F432%252F20110621154202%252Fwww.msdlatinamerica.com%252Febooks%252FRockwoodGreensFracturesinAdults%252Ffiles%252F4bbe9a84ff01b3c7055a1d4ec936b0dc.gif%3Bhttp%253A%252F%252Fcode.google.com%252Fp%252Fahuman%252Fsource%252Fbrowse%252Fwiki%252FHumanNervesSpinalGenital.wiki%253Fspec%253Dsvn5346%2526r%253D5346%3B830%3B880
and https://www.google.com/search?noj=1&biw=1051&bih=539&site=webhp&tbm=isch&sa=1&q=dorsal+nerves+of+penis&oq=dorsal+nerves+of+penis&gs_l=img.3…129623.136343.0.137219.11.11.0.0.0.0.101.905.10j1.11.0.cprnk%2Cepqfirst%3Dtrue…0…1.1.51.img..5.6.517.hIVVkjeU7zw#facrc=_&imgdii=_&imgrc=1Uo9-qmesOLwzM%253A%3BaVj1JssuxAGSUM%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252Fthumb%252Fd%252Fde%252FPudendal_nerve.svg%252F1280px-Pudendal_nerve.svg.png%3Bhttp%253A%252F%252Fen.wikipedia.org%252Fwiki%252FDorsal_nerve_of_the_penis%3B1280%3B946
or
https://www.google.com/search?q=Anococcygeal+nerve&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=AdvvU-aTAaeF8gHPwIDgDw&ved=0CAgQ_AUoAQ&biw=1051&bih=568#facrc=_&imgdii=MSU6qVVS1n2JoM%3A%3B7xmJ-ZSHhE93KM%3BMSU6qVVS1n2JoM%3A&imgrc=MSU6qVVS1n2JoM%253A%3BEdb5hvYYT1RQHM%3Bhttp%253A%252F%252Fwww.edoctoronline.com%252Fmedia%252F19%252Fphotos_CCC6A91C-9C35-477A-9104-46FB401CB0C1.jpg%3Bhttp%253A%252F%252Fwww.edoctoronline.com%252Fmedical-atlas.asp%253Fc%253D4%2526id%253D22026%3B800%3B895
or
https://www.google.com/search?q=Anococcygeal+nerve&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=AdvvU-aTAaeF8gHPwIDgDw&ved=0CAgQ_AUoAQ&biw=1051&bih=568#facrc=_&imgdii=EFxLQApO4ySzdM%3A%3BwGpr20Dbt99dtM%3BEFxLQApO4ySzdM%3A&imgrc=EFxLQApO4ySzdM%253A%3BGMh38IxiPhLcSM%3Bhttp%253A%252F%252Fstudydroid.com%252FimageCards%252F0a%252Flj%252Fcard-11193795-front.jpg%3Bhttp%253A%252F%252Fwww.studydroid.com%252FprinterFriendlyViewPack.php%253FpackId%253D179751%3B338%3B300
and 
https://www.google.com/search?q=Anococcygeal+nerve&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=AdvvU-aTAaeF8gHPwIDgDw&ved=0CAgQ_AUoAQ&biw=1051&bih=568#facrc=_&imgdii=_&imgrc=5Gw1CnCrChmq1M%253A%3BhwGhkKNYjaMJaM%3Bhttp%253A%252F%252Fd3j7fudf8o8iuo.cloudfront.net%252Fvar%252Fezwebin_site%252Fstorage%252Fimages%252Fmedia%252Fimages%252Fe-anatomy%252Flower-limb-anatomy-illustrations-and-diagrams%252Fnerve-lower-limb-lumbosacral-plexus-nervous-anatomy-femoral-sciatic-nerve-en%252F2522747-1-eng-GB%252Fnerve-lower-limb-lumbosacral-plexus-nervous-anatomy-femoral-sciatic-nerve-en_medical512.jpg%3Bhttp%253A%252F%252Fwww.imaios.com%252Fen%252Fe-Anatomy%252FLimbs%252FLower-extremity-diagrams%3B512%3B408

Special note for performing pubococcygeus (PC) muscle contraction during Anal Breathing Qigong exercises – It is OK to perform PC muscle contraction in the deep horse-riding position which fully expands all the perineum floor muscles including the PC muscles

If you are in a resting squat position like this – https://www.google.com/search?q=resting+squat+position&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=ZT_tU4W1Coee8gGi0oDwDA&ved=0CAgQ_AUoAQ&biw=1051&bih=568#facrc=_&imgdii=_&imgrc=xuZDn1PnoJp3BM%253A%3BRoo41nj7KH8v2M%3Bhttp%253A%252F%252Fnobrainermuscle.com%252Fwp-content%252Fuploads%252F2013%252F12%252Fbaby-squat.png%3Bhttp%253A%252F%252Fnobrainermuscle.com%252Fhow-to-squat%252F%3B580%3B390
or 
https://www.google.com/search?q=resting+squat+position&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=ZT_tU4W1Coee8gGi0oDwDA&ved=0CAgQ_AUoAQ&biw=1051&bih=568#facrc=_&imgdii=_&imgrc=T9tLwSuxlWa7zM%253A%3BsogHroYS76bdkM%3Bhttp%253A%252F%252Fsophieke.files.wordpress.com%252F2013%252F12%252Fsquat-malasana.png%253Fw%253D263%2526h%253D300%3Bhttp%253A%252F%252Fsophieke.wordpress.com%252F2013%252F12%252F16%252Fthe-holiday-squatting-challenge%252F%3B263%3B298
it is ok to perform pubococcygeus (PC) muscle contraction exercises. This is because the resting squat position expands your PC muscle in the first place.  Anal Breathing Qigong contains 2 movements with this position.

I prefer this resting squat posture with this one for a maxima stretching of the PC muscle,  and then do PC muscle contraction. This will stimulate a lot of blood flow to your genital  – https://www.google.com/search?q=resting+squat+position&noj=1&site=webhp&source=lnms&tbm=isch&sa=X&ei=ZT_tU4W1Coee8gGi0oDwDA&ved=0CAgQ_AUoAQ&biw=1051&bih=568#facrc=_&imgdii=_&imgrc=RqAk8zz3mb_GGM%253A%3B0R9TpUicTOSHwM%3Bhttp%253A%252F%252Fbryanking.net%252Fwp-content%252Fuploads%252F2008%252F09%252Fsquat.jpg%3Bhttp%253A%252F%252Fbryanking.net%252Fsquat-and-wall-slide-preparing-your-body-for-labor%252F%3B250%3B414

Natural Frequency of Smoothing Muscles in the Cardiovascular System and the Pelvic Cavity

We have observed the orgasmic contraction frequency in the uterus and prostate/seminal vesicles at about a rate of 0.8 second per cycle, or 1.25 Hz, which is about 75 cycles per minutes, closed to the normal heart beat.  Therefore, you should practice inhaling-contraction at a rate of 0.8 second while holding a slight pressure against your bladder and pumping into your pelvic cavity in each inhaling.
The rate of 0.8 second is the normal contraction rate of both pelvic and heart smooth muscle.

Penile enlargement? Yes, you have a great chance to increase 140% of the erectile volume for your penis with Dr. Lin’s Penile Ballooning Method ( Multiple-stage- ballooning Enhancement Method.)  From 1998-2011, I had collected some readers’ results  to verify my theory . After statistically proofing it,  I am willing to share with you in http://action.love/extra/enlargex.htm .  Here is an example of my horse-stance Qigong erection.

Click his Penile Ballooning Video to download a practice example.

Penile Enlargement essentials: the superhormone DHT ( Research Reports of DHT to grow glans – http://www.ncbi.nlm.nih.gov/pubmed/8326617 and  http://www.readcube.com/articles/10.1155/2014/437378 ) with prostaglandins E-1/E-2/E-3 grows your penis and stimulate your penile cellular multiplication, while neurotransmitter acetylcholine and its derivative Nitric Oxide (NO) constantly dilate the penile arteries for a constant penile blood circulation to supply testosterone/DHT, oxygen and 5-alpha reductase enzyme to the penile tissue; Prostaglandin E-1 allows your penile erectile/elastic tissues, nerves and blood vessels in the tunica albuginea and its sheathing spongy corpus cavernosa to expand and stretch without inducing collagen release; Oxytocin and prostaglandin E2 (not a bad guy when its level is not high, and grows your bone with Ca/Mg/Zn/Vitamin-D and sex hormones too) stimulate the testicular function to produce more testosterone and DHT; the cardiovsacular system has to work harder and pump more blood into your penis.  Without prostaglandins E-1 and E-3 and Nitric Oxide, penile stimulation (including masturbation, pumping, stretching and jelqing) will induce excessive prostaglandin E-2 release for inflammatory pains and abrasion, leading to collagen scaring of the penile erectile tissues for penile shrinkage, although DHT and prostaglandin E-2 can grow penile cells (actually any androgen-hormone receiving cells, good or bad (tumors or cancers), so do prostaglandin E-2 and estrogen for any estrogen-hormone cells). It is very similar to pregnancy-induced enlargement of breast and abdominal/uterine tissues under the orchestrating action of prostaglandins E-1/E-2/E-3 and estrogen, without producing collagen scar.  For the penile, clitoral and G-spot enlargement, it requires the orchestrating action of prostaglandins E-1/E-2/E-3, Nitric Oxide (cGMP),  and DHT in conjunction with stimulation of  hGH. Penile or clitoral/G-spot ballooning will also stimulate syntheses of opioid peptides, such as such as enkephalins and endorphins, in the central and peripheral nervous system, local neurons, endocrine cells, cells of any internal organs, immune cells, nociceptive nerve endings, keratinocytes , monocytes/macrophages and B and T lymphocytes. The released beta endorphrin will decrease penile sensitivity and even numb the penile surface skin, sub-layer nerves and the urethral tract when the penile erectile tissues expand to the extreme in the 2nd or 3rd stage erection. The endogenous opioid peptide beta endorphin interacts directly with opiate receptors in the penis and testicles and located on immune cells and nociceptive nervous terminals for  fibroblast proliferation and growth of capillaries in addition to fine-tuning or suppressing pain and inflammatory responses, by activating gene Cytokeratin 16 and Transform Growth Factor Beta-3 (TGFbeta3).   A powerful orgasm also elevates the beta endorphin level in the blood stream.  Ballooning your penis into the extreme, in which state you feel semi-numbed and your penis is about to explode, can prolong your sexual intercourse, and then, after all,  have a powerful orgasm that induces another surge of beta endorphin release into your blood stream to assist penile regrowth. Noticeably,  only a power orgasm that lets you experience instantaneous body numbness, in addition to penile numbness,  indicates a surge release of beta endorphin. Both my wife and I experience this phenomenon once a while. For women, a ballooned clitoris will be looked like a cherry after achieving a powerful body-shaking and numbing orgasm.
http://www.nature.com/jid/journal/v114/n3/pdf/5603304a.pdf
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1693363/pdf/15293811.pdf
http://www.nature.com/jid/journal/v120/n1/full/5601718a.html
http://www.readcube.com/articles/10.1155/2014/437378

Since the erectile function is driven by both parasympathetic-NO and sympathetic β-adrenergic receptors erectile mechanism,  blocking alpha-adrenergic receptors will allow the stress hormones norepinephrine and epinephrine to activate the  β-adrenergic receptors erectile mechanism to enhance the expansion of the penile smooth muscles to another extreme,  beyond the parasympathetic-NO erectile size. Under the extreme expansion, your penile blood must contains sufficient hGH, testosterone, DHT, prostaglandins, beta-endorphin and Transform Growth Factor Beta-3 (TGFbeta3) to suppress the collagen protein release from the strained and stressed erectile tissues, also known as  the so-called smooth muscles, and  avoid scarring of the smoothing muscle.  TGFbeta3  is a type of protein, known as a cytokine, which is involved in cell differentiation, embryogenesis and development.  It can repair young children’s cuts or wounds without leaving any scars.  Therefore, TGFbeta3 is very critical factor for penile enlargement. This is because you don’t want to harden or scar the penile smooth muscles.  Scaring or hardening the penile smooth muscle will constrict the penile arteries and tissues,  resulting in  shrinkage of the penile erection size or  in penile deformation which is known as Peyronie’s disease. Therefore, you need TGFbeta3, prostaglandins, hGH, testosterone, and DHT to fuel the stressed and expanding tissues for cellular differentiation and development without creating collagen scars among the penile smooth muscles.

Recent studies support Dr.Lin’s penile enlargement theory of 1998 in his book “Resonant Excitation Of Sexual Orgasms – Tao Of Love Coupling”” and http://action.love/cases/case13917.htm , as described inhttp://www.andrologyjournal.org/cgi/reprint/30/4/363  ,
http://www.ncbi.nlm.nih.gov/pubmed/16422801 ,
,  http://www.ncbi.nlm.nih.gov/pubmed/18727737 ,
http://jcem.endojournals.org/cgi/pmidlookup?view=long&pmid=11932266 ,
http://www.ncbi.nlm.nih.gov/pubmed/11225889,
http://www.ncbi.nlm.nih.gov/pubmed/17868421
http://www.ncbi.nlm.nih.gov/pubmed/12834027
http://www.ncbi.nlm.nih.gov/pubmed/16390736    ,
http://www.ncbi.nlm.nih.gov/pubmed/17637789  ,
http://www.ncbi.nlm.nih.gov/pubmed/16681465  ,
http://www.ncbi.nlm.nih.gov/pubmed/21621084  ,
http://www.andrologyjournal.org/cgi/reprint/30/1/10
that androgen hormones testosterone and DHT are responsible for penile enlargement and size.  The studies conclude that androgen hormone regulate trabecular smooth muscle growth and connective tissue protein synthesis in the corpus cavernosum, responsivle for  stimulating differentiation of progenitor cells into smooth muscle cells and inhibiting their differentiation into adipocytes. Androgen deficiency reduces the smooth muscle cells, stimulates the collagen release for scar tissue development, and increase the ratio of the collegan-to-smooth muscles and hardening the erectile smoothing tissues. nerves and blood vessels, resulting in venous leakage and erectile dysfunction.  It also harden the heart and arterial smooth muscles too.

Practices:

The best time for self practice of penile ballooning is in the morning upon wakeup and still in the bed when the bloodstream contains a high level of androgen hormones and HGH without external stress. Generally, you can practice penile ballooning in any positions; a supine or sitting relaxation position is better than a standing position although I usually prefer a semi-squatting (horse-riding) position with a body-weight loading on the leg muscles and joints. However, jumping out of bed or standing up may result in quickly going limp by redirecting the blood flow from your penis and testicles to your skeleton muscles and joints to support the body weight for some androgen-deficient men.  In this regard,  he will have to boost androgen hormone level first.  Spontaneous erection is essential to penile ballooning. Natural spontaneous erection can occur when androgen hormones, HGH, and dopamine function run high without external stress upon the morning wake up, and when oxytcoin (requiring a dopamine nervous burst) runs high with stress hormone norepinephrine acting on the sympathetic nervous beta-adrenergic receptors during lovemaking with a  testosterone and DHT level over 500 ng/dl and 50 ng/dl, respectively. Both occasions are the best time to practice penile ballooning.  However, HGH is essential to activation of the stem cells in the erectile tissues for regrowth with prostaglandin E-2 while release prostaglandins E1 and E3 and nitric oxide are necessary for penile tissue and nervous relaxation and flexibility. All the chemistrial factors are to activate gene Cytokeratin 16 and Transform Growth Factor Beta-3 (TGFbeta3)  for fine-tuning or suppressing pain and inflammatory responses as well as for avoiding collagen protein release that leads to scarring penile erectile tissues, nerves and blood vessels for deformation and erectile dysfunction as  common results of mechanically penile stretching, pumping and weightlifting. Excessive prostaglandin E2 and stress hormone norepinephrine are the common factors for stimulation of the collagen protein release. Don’t be fooled by temporary penile tissue inflammation due to excessive prostaglandin E2 and stress hormone norepinephrine as penile enlargement. It is a sign of penile tissue hardening for erectile dysfunction.
OK. here is my Penile Ballooning secret:
Step 1: Have a spontaneous erection.
Step 2: Stimulate the vagal nerves in the pubic bone (pubis) and superior side of the penile shaft to continuously maximize the erection for expansion from the initial spontaneous erection to the 2nd or 3rd stage erection. This vagal stimulation is to power up the dopamine-hypothalamus-pituitary axis for promoting the NOergic and oxytocinergic nervous function that drive both the parasympathetic and sympathetic beta-adrenergic nervous erectile mechanism. You also need sufficient androgen hormones,  with serum testosterone and DHT level over 500 ng/dl and 50 ng/dl, respectively, for an initial erection, and 600 ng/dl and 60 ng/dl, for a sustaining erection. Spend about 5 minutes in this step.
*** Note: Intercourse with Dr. Lin’s 3-point excitation love position is the most effective way for stimulating the vagal nerves in both the pubis and the superior side of the penis. Or, use the high-attack angle love position can provide a powerful stimulation for the superior side of the penis. Alternating both love positions can increase the penile size by intercourse itself. That is, you can use the vagina to balloon your penis! Both love positions also stimulate the women’s vaginal nervesfrom the clitoris, G-spot and Epicenter (the superior side of the cervic and the vaginal anterior fornix) for women to achieve a powerful orgasm.
Step 3: Compress or squeeze the penile shaft the force the blood toward the glans for internal erectile tissue expansion and promote prostaglandins release. Spend about 2 minutes in this step.
Step 4: Massage your testicles to increase your testicular function. Spend about 1 minute in this step.
Step 5: Repeat step 2-4 until you are about to ejaculate; then pull down your scrotum and testicles and slightly pinch both groins and penile shaft to induce endorphin to knock ejaculation urgency. Spend about 1 minute in this step.
Step 6: Repeat Steps 2-5 for 3-5 times, for about 20-30 minutes.
You can not do penile ballooning without a spontaneous erection and  you aslo have to last for 20-30 minutes without ejaculating.

How to elevate hGH, DHEA, testosterone and DHT and prostaglandins for penile enlargement:

You need a good sleep to release sufficient melatonin and hGH/testosterone/DHT to activate the adult stem cells in the penis.
Also, you can maximize your hGH, DGHEA, testosterone and DHT and increase your anti-inflammatory cytokines release twice a day with a 30-60 minute exercise.
Do it in the morning right after waking up, before breakfast; and in the afternoon before dinner.
Drink eat or drink carbohydrate (sugar or sweat things) drinks or foods before exercising. Just drink water or black coffee.
After a 10-20 minute break,  do penile ballooning for 10-20 minutes to let the androgen hormones and prostaglandins to feed and activate your penile androgen receptors, stem cells and Transform Growth Factor Beta-3 (TGFbeta3)  to grow the enbryonic scar-free erectile penile cells!
You should see the penile growth during erection in 3 months.
You have a maximum growth limitation. The palm size plus the middle finger likely becomes the normal maximum of your penis.
You may go beyond this limitation if your pituitary gland release more and more hGH;  your testicular function releases more testosterone and DHT; and the penile cells release more prostaglandin E2 and convert more testosterone into DHT with the liver P450  enzyme 5-alpha reductase.
Your pituitary, liver and testicular function may regulate your penile growth to the normal maximum.

When your testicular or ovarian function runs down, exercising your muscles can help. The biggest muscle group in your body is in your bottom line – the gluteus and pelvic floor muscles.  A combination of this muscle group with sex organs forms a most powerful energy center for sexual Qigong practicers.  The trick is to pump more blood into this energy center and to do muscular expansion-contraction (without compression) exercises for the gluteus, the symphysis pubis  and the pelvic floor muscles.
Helpful references: Resistance training restores muscle sex steroid hormone steroidogenesis in older men – http://www.ncbi.nlm.nih.gov/pubmed/24443372
and Effect of resistance exercise on muscle steroidogenesis –http://jap.physiology.org/content/jap/105/6/1754.full.pdf

Postscript

Holding an erection for 20-30 minutes will let your testicles produce a lot of testosterone and DHT to feed your penile tissues, so that the erection will reach a ballooning state. Your penis will grow with stimulation of DHT.
This is very critical for both penile enlargement and post-ejaculation recovery.
In fact, I use my wife vagina to balloon my penis during intercourse. In the first 20 minutes of intercourse, my penis expands to 140% and let me feel explosion from inside out.
Here are the brief outlines for Penile Ballooning Enlargement:  chronically, holding the erection for longer 30 minutes keep your testosterone and DHT level and your brain dopamine level very high;
Testosterone and DHT are the male hormones to grow the penile tissues;
Dopamine is the central nervous function to stimulate the pituitary oxytocin release for prolonging penile arterial dilation and thus keeping up an erection for a long, long time;
Serotonin, endorphin, and the seminal and penile prostaglandin E1 are the neurochemicals to let you gain ejaculation control;
Suppression of prostaglandin E2 and histamine release in the prostate, seminal vesicles and penis will prevent the premature ejaculation and penile over-sensitivity.

Research Reports on Smooth Muscle Growth

According to “Cyclical mechanical stretching increases the expression of vascular endothelial growth factor in rat vascular smooth muscle cells.” and “Skeletal muscle VEGF gradients in peripheral arterial disease: simulations of rest and exercise.”
Gently, cyclically and mechanically  stretching or  stimulating either the skeletal muscle or  smooth muscle (before causing tissue plastic deformation or fatigue) may result in muscle enhancement or enlargement. The principle is applicable to genital smooth muscle too.
http://www.ncbi.nlm.nih.gov/pubmed/11802532 ,
and
http://ajpheart.physiology.org/content/ajpheart/293/6/H3740.full.pdf , resepctively.
However, high-frequency cycling, mechanical  loading on  joints must be avoided since it is destructive to joint cartilages.  http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4200847/pdf/ijms-15-15456.pdf
The problem is: we don’t know  how many cycles per second can result in joint damage or muscle/tendon/ligament fatigue. It may depend  the density and activity of stem cells
According to this article entitled: ” Mechanical Stretching Stimulates Smooth Muscle Cell Growth, Nuclear Protein Import, and Nuclear Pore Expression through Mitogen-activated Protein Kinase Activation” in http://www.jbc.org/content/282/32/23081.full#ref-3
“Vascular smooth muscle cells (VSMCs) within the vessel wall are continuously exposed to mechanical cyclic strain due to changes in blood flow and pressure. Under normal conditions, the vessel wall is subjected to hemodynamic forces that can stretch the large arteries up to 10%.”
This means: if you the smooth muscle can be safely stretched up to about 10% without concerning muscle plasticity while the mechanical stimulation can help the smooth muscle grow. Penile ballooning produces 140% volumetric increase which is about 12% linear increase ( length  or girth):  Volumetric measurement  = 1.12  x 1.12 x 1.12 = 1.40 times. Some people gains more on length than in girth.  The most common result is:  the  length gains  20% (1.2 times), and the girth likely is1.08 times bigger (about 8% increase).
Yes,  that is right. The genital smoothing muscle can be enriched and enhanced since, there are some smooth muscle genes in the genital organ similar to those in the internal organs and arteries.
The tissue bioengineers have done a lot of research on the smooth muscle growth for internal organs, like this one-
“Generating elastin-rich small intestinal submucosa-based smooth muscle constructs utilizing exogenous growth factors and cyclic mechanical stimulation.”
Heise RL1, Ivanova J, Parekh A, Sacks MS.
Tissue Eng Part A. 2009 Dec;15(12):3951-60. doi: 10.1089/ten.TEA.2009.0044.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2792073/pdf/ten.tea.2009.0044.pdf

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