Articulation of a squat

Articulation of a squat - Learning Issue: Squat (At knee...

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Learning Issue: Squat (At knee joint) Name: Michael Holmes This is just FYI information. I don’t think we need to go further in depth, but if we do, I will be glad to put more information in. I did not include muscle action components, or menisci. While performing a squat maneuver, the pressure (force/area) within patellofemoral join is greatest at 60 to 90 degrees of knee flexion. The contact area within the patellofemoral joint is also greatest at 60 to 90 degrees of knee flexion. Role of convex and concavity: A convex joint rolling on concave, roll and glide will be in the opposite direction. A concave joint rolling on a convex joint, the roll and glide will be in the same direction. Active knee flexion arthrokinematics: To unlock a knee in full extension the joint must first be internally rotated. This action is driven primarly by the popliteus muscle. The knee joint is a convex (femoral condyles) rolling on a concave (tibial plateau) when the foot is fixed on the ground. As the subject lowers deeper into a
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This note was uploaded on 02/18/2012 for the course PAS 600 - 601 taught by Professor Garrubba during the Fall '10 term at Chatham University.

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Articulation of a squat - Learning Issue: Squat (At knee...

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