post #61 of 61
5/14/08 at 2:56pm
Quote:
Originally Posted by globetrotter View Post
ok, had a go with a trainer watching, and I guess the problem was that I didnt have my head far enough back, because this time it worked great, with no rolling of the wieght.


thanks

Good.

Quote:
Originally Posted by Jumbie View Post
Good thing you don't need to go past parallel to get lower isn't it?

Do those forces magically disappear?

It's not magic, just physics. Imagine doing a simple 9th-grade force diagram of a squat. The greatest shearing force on the knee occurs when the femur is at 90 degrees to the tibia. If you decelerate, stop at 90 degrees, and then accelerate upwards, this force will be greater than if you descend through parallel and stop in a deep position where the force can be borne by the hips, which can handle it better than the knee. The less time your knees spend at 90 degrees under load, the better.

Are you familiar with the way any small child squats? Or with the "Asian" or "Third-World" Squat? Thankfully the medical community is starting to realize that deep squats aren't the devil. I guess it takes the academics longer to catch on.
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