| Term 
 
        | Obturator Internus Origin |  | Definition 
 
        | Pelvic surfaces and ischium; obturator membrane |  | 
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        | Term 
 
        | Obturator Internus Insertion |  | Definition 
 
        | Greater trochanter of femur |  | 
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        | Term 
 
        | Obturator Internus Innervation |  | Definition 
 
        | Nerve to obturator internus L5, S1-2 |  | 
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        | Term 
 
        | Obturator Internus Action |  | Definition 
 
        | Rotates thigh laterally; assists in holding head of femur in acetabulum |  | 
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        | Term 
 | Definition 
 
        | Pelvic surface of 2nd to 4th sacral segments; superior margin of greater sciatic notch and sacrotuberous ligament . |  | 
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        | Term 
 | Definition 
 
        | Greater trochanter of femur |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | Rotates thigh laterally; assists in holding head of femur in acetabulum; abducts thigh |  | 
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        | Term 
 | Definition 
 
        | Body of pubis, tendinous arch or obturator fascia, and ischial spine |  | 
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        | Term 
 | Definition 
 
        | Perineal body, coccyx, anococcygeal ligament, walls of prostate or vagin, rectum, and anal canal |  | 
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        | Term 
 | Definition 
 
        | nerve to levator ani and inferior anal nerve and coccygeal plexus |  | 
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        | Term 
 | Definition 
 
        | Helps to support the pelvic viscera and resists increases in intra-abdominal pressure |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | forms small part of pelvic diaphragm that supports pelvic viscera; flexes coccyx |  | 
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