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Piriformis in hip external rotation
Piriformis
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Related Anatomy
Nerve
Nerve to piriformis
Plexus
Lumbosacral plexus
Muscle Group
Short rotators of the hip
Muscle Action
Hip flexion
Hip external rotation
Nerve Root
S2
S1
Related Tutorials
Posterior Hip Muscles - Details
Lumbosacral Plexus - Advanced