Kinesiology 2236A/B Lecture Notes - Lecture 35: Subtalar Joint, Resupination, Anatomical Terms Of Motion

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Document Summary

With running there is no simultaneous foot contact with the ground. At heel strike the foot acts as a shock absorber and adapts to surface. Foot is rigid lever at toe off. Runners: 80% lateral heel strike, elite runners may be midfoot runners, sprinters forefoot strike. The role of pronation and supination through the gait cycle. Over pronation at the subtalar joint causes internal rotation of the tibia and delayed re-supination. This affects screw-home mechanism as tibia doesn t externally rotate. As such the femur must internally rotate more to get extension. When you over pronate you have failure to supinate so femur has to internally rotate more which. Cause lateral pull on patella causes lateral pull on patella which rubs and causes pain. When dealing with issues of the trunk or lower limb, we must think big picture.

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