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« on: December 04, 2013, 01:10:14 pm »
I think it also has something to do with your "structure" in terms of tendon and bone actual "thickness" if you will.
If you're a naturally frail guy that goes up in weight at SOME point, despite your muscle gains, the tendons and bones don't adapt that well like muscle does and when you plant at your heavier self of now the mechanoreceptors, golgi tendon organ, call it whatever, will see that extreme load (due to speed + your heavier bodyweight) as dangerous for the tendons/bones and will shut you down.
So I think springiness is also somewhat closely related to being "light". If you're born with thick bones and thick tendons and you're naturally heavy but you have the proper structure in terms of tension distribution, levers etc, you can still be "bouncy" (think a guy like LeBron or Barkley being very heavy and still being somewhat bouncy, being able to jump off one leg well etc).