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Origin
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Gluteal surface of ilium between posterior and anterior gluteal
lines
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Insertion
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Lateral aspect of greater trochanter of femur
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Actions
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All fibers:
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Abducts the hip
Anterior fibers:
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Flexes the hip
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Medially rotates the hip
Posterior fibers:
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Extends the hip
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Laterally rotates the hip
Keeps the pelvis horizontal in the middle of the walk cycle.
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