Many things!: Many things can cause this: weak hip abductors, tight adductor muscles, limb length discrepancy, tight hamstring muscles, pronation of the foot when walking, running on canted surfaces, running down hill quickly. You might want to see a physical therapist to learn stretches to improve this, then work on strengthening!
Answered 6/26/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
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