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Originally Posted by
cjurakpt
ground reaction force: to me, this is what "kick starts" the CTS effect - it seems subjectively that after I exhale all the way, the reflexive inhale that follows creates an impulse through the body that pushes against the ground, sending GRF up the kinetic chain, and "suspending" the spine momentarilly within the soft tissue structures (this, I believe is what the whole idea of suspended from the top means - your not suspended from the string, you are bouyed by GRF...)
I know what you are saying. However, how do you account for the fact that in Taij at least the head should always feel "as if suspended from a string." I looked up ground reaction force and it seems to be the force that is "pushing up" as a response to the body "pushing down" in the force of gravity. (BTW, I'm horrible at mechanics, better with electricity and best in biology.)
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I would tend to agree in the sense that you can do resistance training several ways, with the most functional would be closed chain eccenttic type stuff, which is typified by what the weightbearing leg does when you are descending a flight of steps - the quads and glutes contract eccentrically to lower you with gravity with control, and it's closed chain because the distal extremity is fixed; as a side note, for years in rehab they';d have people do the opposite: open chain concentric knee extensions, with a crap load of weight and then they'd try to ambulate the pt. who couldn't stand up...
I'm having a hard part picturing what you mean by "closed chain" could you provide an example.
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the way we do yi jin jing, you're sweating like a dog at the end - some of the movements are very vigorous; also, we do a fast version of the form, so that can get you moving as well - of course, it's not like running on atreatmill - the hard part istaying "internal" when you move fast - as i like to say, you keep the net level of tension in the body constant: so if you increase tension in one area, you balance it out elsewhere...its a littl ehard to explain...also, internal practice doesn't really advocate generating an aerobic response - it's seen as too out of balance, too stressful on the body - not saying I agree completely, it's more a philosophical thing in a way, in terms of the relationship of fitness to health - it's a different paradigm
Yes, I know what you are saying about the paradigm. The idea in Taiji is that you should be able to dispatch your opponent without even breaking a sweat, so what good is cardio? However, i think mostly I look at it as a way to keep my weight down. Sure, if you could do Taiji all day you'd stay trim but all of us don't have that luxury.