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12 Cards in this Set
- Front
- Back
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Piriformis
origin |
Anterior surface of sacrum
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Piriformis
insertion |
Greater trochanter of femur
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Piriformis
innervation |
Sacral plexus
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Piriformis
action |
Laterally rotates thigh at hip, abducts thigh, stabilizes head of femur in acetabulum
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Obturator internus
origin |
Pelvic surfaces of obturator membrane and surronding bony wall
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Obturator internus
insertion |
Greater trochanter of femur
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Obturator internus
innervation |
sacral plexus
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Obturator internus
action |
Laterally rotates thigh at hip, stabilizes head of femur in acetabulum
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Coccygeus
origin |
Ischial spine
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Coccygeus
insertion |
Inferior end of sacrum
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Coccygeus
innervation |
sacral plexus
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Coccygeus
action |
Forms part of pelvic diaphram
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