Camp Jing!

Basic Chinese Internal Martial Arts 5-Day Training

Lafayette, CA

Session 1 - JUNE 11th-15th
Session 2 - JUNE 18th-22th

The internal martial arts are famous for the cultivation of qi and effortless power; however, the qi levels
and spirit levels can only develop from a physical base.  Without a solid base of practice the higher
levels are in accessible.  This class will focus on physical prowess and high-level body mechanics.  We
will use spiraling, lengthening, shrinking, and expanding to connect the whole body into a powerful
platform for spontaneous freedom.

Zhanzhuang - The practice of standing meditation also called yiquan or wuji.  No one ever got good by skipping this step.

Neigong - Internal power stretch and whole-body shrinking and expanding. This is all the soft stuff!  It develops the four corners of martial fitness -  Unliftable, Unsqueezable, Unmoveable, and Unstoppable.

Jibengong - Basic training for internal martial arts, which includes individual exercises to develop irreversible body art (shenfa), exquisite structure (xing), and refined power (jin). Taiji, xinyi, or bagua focus, depending on your experience.

Lecture-encounters will include a Daoist text studies introduction and history, along with group exploration of the experimental links between theater and meditation. All instruction will be given in the classical one-to-one naturally disheveled style in order to meet and match each person?s unique experience and insights.

Two Person Practices develop spacial awareness and technical spontaneity while systematically testing every part of our physical and emotional bodies. This includes everything to do with resistance, light contact, throws, rough footwork, tui shou, and roshou. How can we discard our social need to dominate or submit, and embody nonaggression without giving up marital prowess?

Schedule
Begin in the parks around Lafayette, CA
6 AM  Zhan Zhuang
7 AM  Neigong
8 AM  Jibengong
*9 AM  Breakfast  (Optional: rice porridge made from bone stock with pickled foods)
10 AM Two Person Practices Training
12 PM Lunch - bring your own or eat locally.  Take a nap, drink tea...
2 PM Lecture/Encounter
4 PM End

*Breakfast will be based on Traditional Chinese Nutritional Theory.

Sleeping
There is camping in the area, hotels, youth hostels, and many other options. We will be walking distance from a BART train stop which means you can stay pretty much anywhere in the San Francisco Bay Area.

Cost per session - $350

To reserve your spot send a check made out to:
Scott P. Phillips
953 Dewing Ave., Lafayette, CA 94549

Feel free to email gongfuguy@gmail.com or call 415.200.8201 to discuss details.

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Jibengong (Basic Work)

Dr. Ken Fish inspired a very interesting thread on Rum Soaked Fist which I’d like to draw readers attention to. (It takes a little while to get going and is up to 7 pages as I'm posting.) Fortunately, I’ve been banned from posting on the site without explanation. Frankly that’s a good thing because it required a lot of effort to monitor comments from people who regularly misunderstood and therefore freaked-out about comments I made.

Fish’s disturbing premiss is that the training secrets of Chinese martial arts masters are usually withheld at the beginning of a person’s training, not later after many years of study as is often assumed. By withholding certain types of intense, precise, and personally coached training at the beginning, a master can insure that a student stays forever at an intermediate level.

In other words, because of extensive sharing and the ease with which students change masters these days, many high level techniques have actually been written about and it has become quite possible to learn these methods, but without that more basic training these higher level techniques rarely if ever come to fruition.

It’s funny you know, from when I first started studying martial arts all the way into the early 90’s, if you wanted to insult a student from another school or someone else’s master, you would say, “You lack basic training, If you just go back and practice the basics you will have a chance of improving.” The standard retort to this insult was made famous by Bruce Lee, “You have offended my family and the Shaolin Temple, you must have grown weary of living.”

What is most striking about the thread is that Fish gives Jackie Chan as the best example of someone who has unequivocally had this basic training. He explains that the training is performative, it can be seen, and it is unmistakable. He then goes on to say repeatedly that anyone who has had professional level traditional Chinese Theater training has it, unequivocally. And that this basic training, ‘though quite rare in modern teachers of the arts, is widespread among all regional styles of Chinese theater and martial arts. (Which, I might add, should be a clue to understanding it’s origins.)

Naturally, I totally agree with him. But I would go further, I would say that a great number of higher level skills, concepts and training methods are directly accessible only through seeing the martial arts within a matrix of ritual-meditation and theater. Without accessing the original context, our only hope is reverse engineering.

In other words, you can’t just be tough, you have to act tough!

Bing Gong Bing Gong

Let me try to give readers a better idea of what this basic work (jibengong) is like by describing my own experience of learning it and trying to teach it. Kuo Lien-Ying was trained around the turn of the 20th Century in Beijing traditional theater arts, also known as Northern Shaolin. As the vicious mass movement to separate theater, religion and martial arts got underway, he moved into the martial arts camp, where he studied with many of the greatest artist of his time. He fled with the Kuomintang to Taiwan in ’49 and then came to America in the 1960’s where my first teacher, Bing Gong, became his top Shaolin student.

Studying with Bing was a profound experience and we became very close.

Ye Xiaolong Ye Xiaolong

The truth is that Bing, although he spoke very little, had a strong desire to pass on the essence of this art. But sadly, hardly anyone was willing to endure the training. He would have me do very simple movements over and over again in slightly different ways until my body permanently changed.

For instance, while I held the basic monk stance, (see image below) he would order me to make small adjustments or movements while he introduced various forms of resistance. There were many eventual ‘benefits’ to this. So for example, after a time I could move my knee high enough and integrate it into my structure well enough that I could use it to block kicks to my ribs.

Take another example from Shaolin. While doing the second line of Tantui (springy legs), which is a very straight forward punch, punch, punch-kick combination, Bing would have me freeze with my

Paulie Zink Paulie Zink

outstretched leg up above hip level. Then he would have me move it higher and he would test it for connection or integration in various ways. And then we’d do the same on the other side--over and over, day after day, week after week. Again, until the ability was permanent.

Bing also kicked me a lot. He wouldn’t tell me how to get into a stance, he would kick me into it. Although I can point to a lot of different learning methods that I have experienced over the years which could account for the gongfu in my legs, nothing else was really as profound as that.

As I’m sure readers can surmise, these things are not complex to teach or to learn, but actually getting the student to do the work is unusual. I guess I liked it when Bing kicked me because I never asked, “Why are you doing that?” nor did I respond emotionally by making a face as most students do. How do you explain to a student that they are not to make a face? Trying to explain it is like making a problem on top of a problem, it just doesn’t work.
I think anyone who has done professional dance training will understand this instinctively. As one of my dance teachers put it, “Some people know how to take corrections and some people don’t.”

I could say things about all of my teachers in regards to jibengong, but I’m just going to mention two more, the first is Ye Xiaolong. Geroge Xu brought Ye over from Shanghai one Spring in the early 90’s because George himself wanted to learn from him and they both taught class together. But then suddenly in late May, George got his long awaited “Green Card” and shortly there after he flew to Europe to teach. He left Ye by himself to teach classes in San Francisco and arranged for us to get him back and forth from his house to the park. But as there was no translation, only two of us came to class for the whole Summer. He taught us for 100 days, everyday for about 3 hours. We concentrated on about five exercises which we did over and over. Ye constantly had his hands on us, making corrections, pushing, resisting, kicking and saying, “Bu hao,” (no good). We actually did a lot of push hands too, but it was never competitive, it was done as a kind of cooperative power stretch. The effects were permanent.

Paulie Zink deserves a mention here also because I believe he is an international living treasure specifically because he has the worlds largest collection of jibengong. As he put it to me, “I don’t teach martial arts anymore because I have yet to find anyone who is willing to do the preliminary work.”

Monk Clears His Sleeve - stance Monk Clears His Sleeve - stance

The New Definition of Fascia

Josh Leeger turned me on to a series of articles which are using a new definition of Fascia.  This article is particularly worth reading:

Fascial Fitness: Fascia oriented training for bodywork and movement therapies, by Divo G. Müller and Robert Schleip.

Many people I've shown the article to have commented that one of the authors is into a painful type of bodywork called Rolfing, and they have suggested that the authors may have created a Rolfing centric view of fascia.  Strangely no one has pointed out that the other author is into Continuum, which is a very watery type of movement exploration.

You'll get the new definition of fascia by just reading the article, so I'm not going to try to nail it down, but  readers should know that the old definition was a description of the clear or translucent film that surrounds all muscle.  The new definition includes tendon and ligament and sees all that juicy stuff as a single organ.

Whatever, right?  But what is important about this new article, and this new approach, is that it uses clinical language and conforms to kinesiology standards.  Until now there was no clinical explanation of how external martial arts work that any of us could use when talking to a physical therapist.  That's going to be a big change.

Fascia? Fascia?

The article explains that tendons and ligaments themselves can take load and can spring.  What the authors don't seem to understand is that it is through the natural spirals of the body that all of these soft tissues function together.  They don't seem to realize that the reason they are getting these springy dynamic results from slow holistic lengthening is because their method builds on these underlying spirals.  Spirals are there in shortened positions too, as anyone who does whole body tie-up and throw techniques (think: Aikido) can tell you.

So, it's a good start.  It primarily deals with what we call in both internal and external martial arts, "the foundation."  That is the ability to get in and out of a range of deep, long, loaded, and spiraled stances while using smooth (wood), explosive (fire), fluid (water), and hard-solid (metal) movement qualities.  "The foundation" is what I usually refer to in this blog as "jing training," the first level of internal martial arts.  It is also commonly referred to in martial arts lingo as "the benefits of good structure."

The authors lose a few points in my book at the end of the article when they say this training, "should not replace muscular strength work, cardiovascular training, and coordination exercises."  That statement muddies the issue.  All that stuff is just included in basic Shaolin, it's already complete.  If we are building this "foundation" for learning Tai Chi, Bagua, or Xinyi, then we are going to leverage these underlying spirals to allow us to reduce muscular "strength" and discard the torso tension usually associated with "coordination exercises."

The author, however, should get extra credit for hinting at methods for developing higher levels of internal martial arts.  For instance, take the "ninja principle" all the way out, and the body becomes so light and quiet that our experience of the physical body becomes totally empty (xu).  Or take the idea of fluid movement all the way out, and ones habits of coordination and resistance become baby-like, unconditioned (ziran).

The Proprioceptive Refinement section of the article is the most interesting.  They discuss the, "need to limit the filtering function of the reticular formation."  This refers to a part of our brain which we can train to pay attention to certain kinds of nerve stimuli and ignore others.  Muscles transmit information slowly, that's why we need to turn them off and pay attention to other stimuli-- and that's the very mechanism which can make it is so easy to manipulate someone who is, in martial arts lingo, "too stiff."  Eventually we want to turn off most of our 'inside the body sensors' and turn on most of our 'outside the body sensors.'   The authors correctly identify the problems with doing any movement exactly the same way over and over, namely that we become insensitive to small errors which then become habituated.  This is why it is so important that our forms are empty! By cultivating emptiness, our movement is unconditioned by our mind.  On the other hand, always thinking about a specific and exact application of a technique, will turn us into robots.

Qi has no memory!  To practice martial arts with qi is to be continuously spontaneous.

To quote the Daodejing:
To be preserved whole, bend.

Upright, then twisted;

To be full, empty.

What is worn out will be repaired.

Those who have little, have much to be gained.  Having much, you will only be perplexed!

:5

Fascia? Fascia?

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Discarding Yes and No

Bored-Girl2-1If you've ever been around teens or tweens, or were one yourself at some point, then you are familiar with 'discarding yes and no.'  It is a look they give you that tells you they aren't listening, don't really care to be listening, and many not even be aware that you exist at all. Or as we use to say in Australia, 'I just couldn't be bothered.'

So what do you think happens when I tell my adult students that I expect them to 'discard yes and no?'  That's right! they all look at me quizzically, bring their faces forward a bit, sometimes tilting a little to one side, and nod 'yes'  --Thereby demonstrating that they have no idea what I'm talking about.

If someone I know is walking alone in the distance and I call over to them to get their attention, as they turn they will look first, and then direct an 'I recognize you' face in my direction.  With normal vision one can recognize this face from 100 yards away.  And even if one has very poor vision, he or she will still display the 'I recognize you' face in return.

Comic Ellen Degeneres has a bit where she waves and shouts to get someone's attention and then realizes it isn't them.  It's funny because she reveals how much socially stimulated pain this causes.

The effort it takes to communicate with our faces is usually completely unconscious.  But I would suggest to my readers that normal social communication using the head and face requires enormous strength and torso tension.  That's why teens and tweens sometimes just drop it.  You never actually know if they are listening unless you quiz them afterwards, and even then they may decide not to participate.  And the same is actually true for adults, they may be nodding 'yes' without hearing a single thing you've said.  It could even happen with a loved one on Valentines day!

At about 6 months of age, babies can lift their head and they are capable of a lot of communicative facial expressions.  However, their heads are so big relative to the rest of their bodies that they have to move their chest underneath their head in order hold it up.  At some point they also learn to nod 'yes' and 'no,'  but if you hang out with 5 year olds you'll see that, although they will give a very attentive 'I'm listening face,' they are often reluctant to nod 'yes' and 'no.'  When they do stoop to this adult mode of communication they often exaggerate it with a whole body movement-- undulating with a slack jaw for 'yes,' and shaking horizontally for 'no.'

So.  What's the point?

In martial arts and qigong, the head must be included in whole body movement for it to actually be whole body movement.  If we are using our head for communication, it is very likely that we are exerting enormous torso tension in order to keep it in that state.  As adults, stress is our default position in social situations.

I want to make a distinction here between structural integrity and whole body liquid mass.  A person can be holding their head in an 'I'm ready to nod yes or no' position and still have structural integrity.  As people age, the quality of the structural integrity tends to diminish, but it may still be there.  However, it is not possible to have whole body liquid mass and hold ones head in such a stressful position at the same time.

I suspect that until a student figures out how to get their feet inside their dantian, inside their perception of space, this awareness of the head may be fleeting if it is possible to experience at all.  When the whole body is inside the spacial mind it automatically includes the feet and head.  It is by looking at the relationship between the torso and the head that, as a teacher, or a dude watching too many sub-standard 'masters' on Youtube, I can tell if a persons body is inside their mind--or not.

The head weighs a lot.  Holding it in positions of dominance or submission is a major source of tension.  Holding it in positions of dominance or submission is an obstacle to whole body power.

Gross Motor and Fine Motor - Reconsidered

I've been puzzling over the meanings of the terms gross motor and fine motor.  A while back I proposed that we could coin a new term to describe the movement of internal martial artists--monster motor.  I got this from pondering and imitating the way wild predators move.  That's fun, but on re-consideration it might be more prudent of me to push for definitions of gross and fine motor which are more consistent with my understanding of human movement.

Fine motor control seems to be mainly about stuff we do with our hands.   Since most body action and control has been observed to develop from the torso outwards, fine motor control develops after gross motor control.  Gross motor is the more challenging term.  This particular list of infant development is helpful in defining gross motor: Toddler clapping hands

  1. Symmetrical Bilateral Integration. Symmetrical bilateral integration involves both sides of the body working in mirror-image unison, where the actions on one side of the body mirror the actions performed on the other side.

  2. Reciprocal Bilateral Integration. Reciprocal bilateral integration involves moving both sides of the body at the same time in opposite motions.Toddler crawling

  3. Asymmetrical Bilateral Integration. Asymmetrical bilateral integration involves each side of the body acting in a different way to complete a single specific task. For example, one foot may kick a ball as the other foot plants on the ground and balances the body.

  4. Crossing the Midline. The “midline” is the imaginary line down the center of your body from the top of your head to your toes). Crossing the midline involves instinctively reaching across your body to complete an activity.Toddler kicking ball


These are all process of basic spacial awareness that fall under the larger gross motor label.  The problem arises for me when we start applying the same term to actions like throwing a ball or skipping rope.  These actions in practice require a great deal of fine motor control on top of gross motor skills.  Even proper adult walking (the way I walk when I want people to think I'm normal) requires peripheral and distal (away from the torso) precision.

The physical therapy kinesiology world may have become confused because it has emphasized the use of  muscles and muscle groups to describe action categories.  It's my suspicion that because they possessed a detailed "scientific" map of the muscles early kinesiologists felt obligated to reference it as a way to confer authority on the field as a whole.  But individuated muscle groups don't exist in a mind which is learning new movement.  If we parse our imagination into muscles it will actually inhibit learning.

I'm still having trouble with the categories.  I want one category for movement in which the mind is inside the body guiding and controlling!  And I want a second category for movement which is driven by visual or auditory impulses seen, felt or imagined outside of the body!

Then again, I'm almost willing to accept that gross motor movement is the same as whole body power.  And then re-define fine motor control as movement strategies which reduce, limit or focus power.

I'm suggesting that gross motor movement starts out pure, with the mind always leading the qi. Babies bodies are empty (kong) and don't store any stress in the muscles (xu) therefore their locomotion is only initiated by changes in spacial perception.  Because they are xu, qi floats around the their body not in the muscles and bones. Because they are kong the shape of their whole torso changes to support and propel their actions as their spacial mind changes.


In any event, the process of learning internal martial arts forces me to consider this problem deeply.  Lately I've been trying to take my Shaolin Wuhu Dao (five tiger broad sword) and my Baxian Jian (8 immortal double edged straight sword) forms and make them purely internal martial arts.  I find that the big challenge is in the grip!  To use internal power the sword must be inside my qi body.  To accomplish this my connection to the entire sword has to be solid, and that requires a firm grip, like a baby grabbing your finger.  However the techniques in both forms require a lot of fast loose changing of angles.  The traditional grips I learned are ever changing, sometimes loose, sometimes tight, sometimes rolling.  If I take out all that fine motor control in the grip it feels great--there is so much whole body power behind the swords.  But many of the techniques don't look right--I simply don't have the wrist flexibility to execute them with a firm grip.  Yet.
His Bones are Soft, his muscles are weak,

But his grip is very strong! --Laozi

Now check out how a baby at 6 months can lift his head!  I key gross motor skill. Ask yourself honestly, do you know any adults that can do this?  With grace and power?  With soft enthusiasm?  Every time qi rises in the body this is how it should look and feel.  The Chinese term for this is zheng -- to be upright, to rectify, cosmic harmony.


Becoming Left Handed

I was talking to George Xu the other day and he compared the process of changing from being an external martial artist to being and internal martial artist to the process of changing from being right handed to being left handed.  To accomplish that, you would have give up writing and feeding yourself with your right hand and learn those actions with your left hand.  Simple enough, I suppose, if you're a hermit in the mountains with a years supply of edible mushrooms.

However, if you are going to keep your life going you'd have to accomplish it in steps, gradually going back and forth between left handed and right handed actions.  I imagine it would take a lot of confidence and determination.6a00e55404668688330115724cc09b970b-pi

Of course we aren't trying to change from right to left, we are trying to change from so called "external" to so called "internal."  Add to the problem that there are few people who can model it well, and even fewer that can clearly explain the task-at-hand.

But my point here is that learning internal arts has a real similarity to trying to do stuff with your non-dominant hand.  You have to turn off the well established how to messages, and replace them with clumsy awkward undeveloped ways of moving.  And you have to do this consistently, in an experimental feedback loop, over an extended period of time.

The Mind Body Split

Here are the parameters of human movement systems:

Quiet-Quiet. A quiet mind and a quiet body.  This is the standard notion of meditation where the body is still and the mind is also still.

Active-Active. An active mind and an active body.  This is the standard for competitive athletics.  The body is very active and the mind is racing all over the space looking for openings and opportunities.

Quiet-Active. A quiet or serene mind and an active body.  This is sometimes held up as the ideal for Shaolin - and external styles of martial arts - where the mind achieves a kind of peaceful calm while the body is in an explosive power flow mode.  It is perhaps more common for people who do long distance running or swimming, the mind becomes calm because the body knows what to do.

Active-Quiet. The spacial mind is very lively, and the body is quiet.  This is the exclusive territory of internal martial arts.  The quiet body is a process in which the intention to move or control is systematically  removed from the four limbs, and eventually the entire body, while being replace with an active spacial mind outside the body.

Of course these are parameters, not necessarily perfectible experiences.  Never the less many of my students have found it helpful in understanding how different types of movement and meditation engage us.

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The Glorious Kidneys

alg_kidneys[1]Autumn is the season for clearing heat from the lungs and refining technique.  One of the best foods for clearing heat from the lungs is the pear. The skin of the pear is used if the condition is medical.  So eat pears raw or lightly stewed with a dribble of honey.  The Classic of Medicine (Neijing) says clearing heat from the lungs protects against fevers in Winter.  Not sure what the mechanism is there, but I love pears so I'm sharing.  The suggestion to refine technique is a message about efficiency, the Autumn is about toning it down and taking time to integrate all the wild experimentation of the past two seasons.

And if you've been doing that, in about four weeks you will be ready to start transitioning into Winter practiceIn Winter we store Qi, water the root, and nourish the kidneys. So what does this mean?  In the days before industrial commerce made food cheap and plentiful, to the average peasant it probably meant eat whatever rich foods you can find.  The best way to do that in our era is with nutrient rich bone stock that you make yourself.  If you want organic stock bones, in my part of the country, you are in direct competition with the massive pampered dog population.  However, if you buy bones in bulk it's a little more reasonable.  We filled up our freezer with bones for the Winter for about $60.  'Watering the root' basically means drinking nutrient rich broth the way most of our ancestors did.  Think stews.

The Daodejing says, "to be full, hollow out," thus in order to store Qi one must first cultivate emptiness.  Once emptiness is established, storing Qi is automatic.

Well, not totally automatic.  You must also nourish the kidneys.  How does one do that?  Hold that thought.

Hopefully none of my readers were paying attention last year when I had an argument on the insane internal martial arts discussion website Rum Soaked Fist about whether the terms jin 勁 and jing 精 actually mean the same thing.  As my Indian Dance teacher used to say, "A little learning is a dangerous thing."

Jin is translated by Louis Swaim (I'm doing this from memory) as 'power which resembles the flowing of underground streams.'  Jin is an expression used in compound forms like pengjin (wardoff), mingjin (obvious power), or tingjin (skillful sensitivity), to mean a specific type of power which requires skill and time to develop.

Jing on the other hand is a much bigger and harder to explain key concept in Chinese cosmology.  It is usually translated 'essence,' because of it's association with purification.  But it generally refers to stuff that reproduces itself.  In quasi-medical terms it is sperm and eggs, scabs, what clots the blood, and when it is strong in the body--a full head of hair and strong finger nails.  In Daoism Jing is the most solid and substantial form of Qi. If we posit that the entire cosmos is one giant mind form, then jing is its memory function.  Stay with me...

Any first year Chinese Medicine student will tell you that Jing is stored in the kidneys.  They will also tell you that sex, drugs and rock'n'roll will deplete it.  Daoism has a precept against wasting jing or qi.  The term is pretty amorphous as you may have deduced by now.  In is particular Daoist precept the distinction is that qi wasting is unnecessary effort, while jing wasting is depletion to the point of injury.  So to damage ones body is to damage ones jing.  Why? because the moment injury happens, the kidneys start to release jing-- jing is released from the kidneys because it is what repairs us.

Obviously, jing is one of those concepts which, as Roger T. Ames might put it, offends against the most basic  notions of Western categorical thinking--it is simultaneously an event, a substance, a trend, and an action.  Jing repairs (verb), it is what repairs (noun), it is visible only indirectly and is measured by that which it repairs so to some degree it is the substantive aspect of our bodies.  Jing is the shape of our eye, and the dark circles that accumulate around them after years of not enough sleep.  Jing is the markings of age.  Jing as a substance decreases in either quantity or quality as we age.  But as a substance it remains pure.

Tension in our bodies is simply qi concentrated by the mind.  Disperse the qi and the tension will be gone.  But chronic tension is qi concentrated in the same location day after day.  Qi is pure and has no memory function, the tension's location is remembered by jing.  So chronic tension is regularly drawing jing out of the kidneys where the mind mixes it with qi.  Because jing and qi are both pure, they naturally separate, like oil and water.  For chronic tension to happen at all takes considerable and regular effort.

I would never have gotten into the argument at Rum Soaked Fist if I hadn't been repeating what I heard from George Xu: "Jing and jin are the same."

"What?" I asked, "How could that be, they are different characters in Chinese?"  (精 and 勁)

"It doesn't matter," he said, "They were once the same term and the same character."

Remember way up at the top of this post I asked the question, "How does one nourish the kidneys?"  We're getting there.  The kidneys love sleep.  They love sleep because they love stillness.  The kidneys are like a very fine instrument measuring vibration, shock, tension and fatigue.  If we can feel our kidneys they will indicate when we are exerting effort or experiencing strain.  And...They will tell us when we are using power. Ah hah! You say, power, you mean jin right?  Yes, young Skywalker, any trained or refined gathering of power or release of force is called jin, in Modern Chinese.  The kidneys experience all jin as stress, as a loss of jing.

Thus pure internal (martial arts) should be defined as not using jin/jing.  If an art uses jin, then it is mixing jing and qi.  It is exerting some strain on the kidneys.  The basic Tai Chi adage goes:  "The body follows the qi and the qi follows the mind."  If the mind causes jing to be released from the kidneys, qi will mix with jing in the body, and the mind will move the three all at once--thus destroying the mind-then-qi-then-body order of movement.  On the other hand, if the body is totally quiet, as measured by no loss of jing from the kidneys, then the qi will automatically float off of the body and the mind will easily lead it.  If the whole torso is also empty, it will naturally fill with qi.

And that is what it means to nourish the glorious kidneys.

pebble in water