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Internal Obturator
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| |
| Internal Obturator | |
|---|---|
| Muscle Type | |
| Origin | Inner surface of obturator membrane and rim of pubis and ischium bordering membrane |
| Insertion | Middle part of medial aspect of greater trochanter of femur |
| Action | Abducts & externally rotates the extended hip and abducts the flexed thigh at the hip, and stabilises the hip during walking |
| Synergists | |
| Antagonists | |
| Spinal innervation | |
| Peripheral Innervation | |
| Vasculature | Inferior gluteal artery |
