Originally Posted By: Chen Zen
Leave the leg loose and relaxed. The tenser the leg muscles are, the less power, speed, and flexibility you have. Leave the leg completely relaxed and snap the weight of your foot.

Totally agree there, 'kime' or tension should only be at the "Point of Impact" not before and not after, glad your back Chen Zen
A man is but the product of his thoughts what he thinks, he becomes.