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Medicine and Science in Sports and Exercise


Purpose: Anterior cruciate ligament injuries and patellofemoral pain syndrome are both common and significant injuries to the knee that have been associated with hip weakness. Prospective studies have linked the risk of experiencing either injury to alterations in the frontal plane knee angle and moment during activity. These components of knee mechanics are theorized to be affected by hip abductor weakness. The purpose of this study was to identify the effects of isolated hip abductor fatigue-induced weakness on lower extremity kinematics and kinetics in recreationally active women.


This is a non-final version of an article published in final form in Medicine and Science in Sports and Exercise, Vol. 42, No. 3, March 2010, pp. 535-545.

Final version available online at: