Yeung wrote:Standing passively to reduce the incoming force by one’s body weight, and move passively directed by the residual force or move actively to redirect the residual force. The residual force is defined as the difference between the incoming force and the body weight; Fr = Fin - Fbw. And there is no movement when Fbw ≥ Fin.
This sort of explains why Taijiquan is good for the prevention of fall, because standing passively maintains the flexibility of the joints of the lower limb: hip, knee, tibiofibular, ankle, and subtalar.
https://teachmeanatomy.info/lower-limb/joints/Testing: There are many passive stances, just ask someone to do a frontal stance with feet apart at shoulder length and push the centre of mass from any direction in various intensities and observe the movements and stepping. Upon impact of the external force to the centre of mass, one should sensed the dispersion of that force to various parts of the body and move into alignment with the trajectory of that force.
Result: It works with anyone who learned the technique of standing passively after a few trials to build up one’s confidence.
Conclusion: Passive movements upon impact conformed to the theory of one move all move.
Anecdote:
I had a really good attack, entirely self inflicted buts its a tale to tell never the less.
5 years ago I'd decided on ditching the pub-culture aspect of life and doing something else with the time and money instead. I was only an irregular at the local anyway, wouldn't miss it or be missed and most of the blokes who ever made it a laugh had died or moved on. Anyway, after 6 pints of the best, I was outside the pub mentioning this to one of the last pubmates left and that this pint in my hand was going to be my last pub pint bar unavoidable social necessity when a gigantic 6 foot five (at least), 26 stone (at least), legendary Rugby Union prop, had-a-bad-day, pissed-up and angry farmer walks passed and into the pub with a snarling "good evening ladies".
So I did what any peaceable and sensible bloke would do, I called him a cunt.
So he walks back out and starts mouthing about nobody calls him a cunt and that he'd like to punch my lights out.
So I did what any peaceable and sensible bloke would do and I said "Go on then cunt"
And thus he did.
It was very quick and a lot of energy went into it but to my, and everyone elses surprise, I neither went down or even spilt a drop of my (still full) 'last pint'.
He recoiled back, I stepped into a type San Ti of Xing yi type defensive stance and he muttered something and went into the pub complaining loudly.
I suffered a chipped tooth and a bit of nose-bleed from the impact shock but apart from that was unharmed which brings us to why and how it was interesting.
I'd trained for years in Internal Martial Arts but as a health, wellbeing and general life-skill concepts (one of the main skills being to not escalate matters such as calling gigantic, angry, pissed-up Rugby Union props "cunt") and one of the concepts is (枩 song meaning pine tree; fir tree) the art of song, to relax but with a sense of readiness and thats how I intercepted to violence......and it worked.
Qualifier: I do maybe 6-10 miles of walking everyday training as a many 13 dynamics, 13 essentials and 6 harmonies etc as can be applied into my lower half so I have really strong and good legs plus my Wuji opening move is basically always a good 10 minutes of ZZ type postural alignment and relaxation etc so that probably helped a bit....these legs were built for absorbing/transfering etc incoming force. I don't advise anyone to pop down to their local pub and call the nearest and biggest drunk a cunt in order to test the theory.
I couldn't have been more pleased.
You can't get that sort of training or skillset demonstration from sparring or anywhere else but from raw, primordial rage-energy from something that wants to kill you.