- Mar 23, 2009
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Yeah the quads straighten the legs, but only as far as the hamstrings allow. Tight hamstrings reduce to ability of the quads and hip flexors to move from extended to pike while keeping the knees straight.
But wouldn't doing the exercise mentioned in the first post strengthen the quads and hamstrings if using ankle weights, thus reducing flexibility?
I've personally always found that stretching hamstrings, quads and hip flexors to be better at producing straight legs. Having said this, we do have a couple of those girls in our gym whose legs can't straighten no matter what you do!