Rest Day
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The Squat - All about hips and kneesCoach Mark Rippetoe
discusses the importance of the hips, knees, stance and muscle mass in
the squat. The footage taken from his Basic Barbell Certification
seminar at CrossFit Brand X in Ramona, CA on February 14, 2009. Among other things, Coach Rippetoe elaborates on themes also discussed in his 2008 CrossFit Journal article “You Don’t Know Squat Without an Active Hip.”
Coach Rippetoe calls attention to the role of the adductors in the
squat. They lengthen in eccentric contraction as athletes squat down,
and shorten in concentric contraction as athletes stand up. If the
knees stay out, the adductors can be effectively stretched out,
contributing to hip extension.
A very common fault occurs when athletes drop their knees in when
they squat. They are not using their external rotators to keep their
femurs in external rotation. They don’t get their adductors to contract
and help with hip extension because the adductors never get stretched
out into a position where they can contract.
That’s why stance and knee position are so important. Coach Rippetoe
demonstrates both in detail. The stance is selected to involve as much
muscle mass as possible. The goal is train stronger athletes who can
lift heavier loads.
Check out this video in the CrossFit Journal