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20 Cards in this Set
- Front
- Back
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What two muscles attach at the greater trochanter? |
- obturator internus - piriformis |
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What is the innervation of OT? |
L5, S1 |
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What are the actions of the OT? |
- external rotation - abduction |
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What is the origin of the OT? |
- pelvic aspect of body of ilium, ischium and pubis - obturator membrane |
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What is the origin of piriformis? |
- anterior surface of sacrum - greater sciatic notch - sacrotuberous ligament |
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What is the innervation of piriformis? |
APR S1,S2 |
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What is the prox. and distal att. of the coccygeus? |
- prox.: pelvic surface of lower sacrum and coccyx - distal: ischial spine |
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What is the innervation of the coccygeus? |
anterior branch of APR S4, S5 |
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Label starting at top right. |
- puborectalis - pubococcygeus - iliococcygeus - occygeus - piriformis - rectum - obturator internus - obturator canal |
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Sacrospinous ligament is anterior to the sacrotuberous ligament. T/F |
True |
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_______ ligament forms the inferior border of lesser sciatic foramen. |
sacrotuberous |
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What ligament reinforces the ALL? |
sacrococcygeal ligament |
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What ligament reinforces the PLL? |
deep posterior sacrococcygeal lig. |
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What are the pubic ligaments? |
- superior and inferior PL - anterior and posterior interpubic lig. |
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What nerve exits through the suprapiriform space of the greater sciatic foramen? |
Superior gluteal |
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Which nerves come from levels L4, L5, S1? |
- superior gluteal - N. to quadratus femoris and inferior gemellus |
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What nerves come from levels L5, S1, S2? |
- inferior gluteal - N. obturator internus and superior gemellus |
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What nerve comes off levels S1-S3? |
posterior cutaneous nerve of thigh |
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What nerve comes off levels S2-S4 |
Pudendal |
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ALl nerves are traveling via the infrapiriform space of the greater sciatic foramen except the superior gluteal. T/F |
True |
