everything wrote:so you guys know this is how you kick a ball well right? have you ever watched the top pro athletes at the most popular sports in the world (those attracting the most participants and viewers and level of competition)? sometimes it sounds like people live under a rock. if your "special" physics is based on "energy" and not "elasticity" I'm still in. otherwise, why don't we just change to "mma r us" forum if nobody cares about "internal". we can talk for days about adesanya instead since he can actually do shit. it's just ironic the main forum was supposedly on "internal".
Yeung wrote:The term Fa Jin 發勁 means the issuing of forces but Taijiquan defined it as store and issue which sort of excluded striking techniques without using stored energy. In biomechanics, stored elastic energy is produced by lengthening muscle fibers and when the tension in the muscle fibers released then the muscle fibers recoil back to the original length. There is a difference with issuing force with and without utilizing stored elastic energy (SEE). Take the examples from boxing:
A jab is to punch quickly in low intensity without utilizing SEE.
A cross is to punch heavily in high intensity without utilizing SEE.
A hook in some cases does pull back and strike which utilizing SEE
A pull counter is a bit complicated because of the different muscle groups are involved in utilizing SEE
Therefore, this definition sort of excluded the type of striking technique from soft to tense like doing a double or triple jabs or a heavy cross needed a bit more time to retract compare to a jab.
Yeung wrote:The following link on pull counter which might explain a bit on utilizing SEE and plyometric:
https://www.youtube.com/watch?v=UA0aakUoh5Y
D_Glenn wrote:With the usage of high speed cameras that can film 600-1000 frames (pictures) per a single second, we can now see the way the way flesh of a body, moves in waves along the bones as the arm is striking out.
In a normal strike, the bones of the arm strike out but all the flesh attached to the arm lags behind because of inertia.
A Fa Jin uses a movement of the spinal column (namely the lumbar and sacrum part of the spine) to try to mobilize the large amount of loose flesh in the abdomen upward to initiate a wave of flesh that travels up, around the shoulder and into the striking arm, timed with the bones of the arm, so that the bones and the flesh, arrive at the same exact time.
johnwang wrote:Yeung wrote:1. Store and then issue
I prefer to call it "compress and release". The key point is to "hide the compress at the end of your previous move".
You need time and space to do so. But in fighting, you don't always have time to do a 100% compressing. This is why people say that most Baiji guys may have bad temper, because they don't always have chance to complete their full "compress and release"
bailewen wrote:Dude, you're seriously overthinking it.
"fajin" isn't even really a proper phrase in Chinese. You normally fa "a" jin. You got kaojin, pengjin, "zhou" jin. Whatever.
Seems like there's this weird idea that only "弹劲" is "jin". But that's just silly. In the gif I posted, we got some really good kaojin, some "zhengjing" and, I guess you gotta say "zhoujin", but to me, that elbow strike is mostly kao. Without the kaojing, there'd be no way to score the knockdown through the TKD chest protector.
Actually, based on the "bounce back", the retraction after strike, I'd say this even fits into the classic "fajin" category. Looks like I even managed a little "tanjin" in there.
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