level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| insertion of piriformis | greater trochanter of femur |
| nerve of piriformis | S1-S2 |
| insertion of levator ani | 1) perineal body 2) anococcygeal body 3) prostate wall or vagina 4) rectum and anal |
| action of piriformis | Lateral rotator of thigh at hip joint |
| origin of piriformis | anterior sacrum |
| origin of obturator internus | obturator membrane |
| insertion of obturator internus | greater trochanter of femur |
| nerve of obturator internus | L5-S2 |
| action of obturator internus | lateral rotator of thigh at hip joint |
| origin of levator ani | 1) body of pubis 2) obturator internus fascia 3)spine of ischium |
| nerve of levator ani | S4 |
| action of levator ani | 1) support pelvic viscera 2)sphincter to anorectal junction and vagina |
| origin of coccygeus | spine of ischium |
| insertion of coccygeus | lower sacrum & coccyx |
| nerve of coccygeus | S4-S5 |
| action of coccygeus | 1) assists levator ani to support pelvic viscera 2) flexes coccyx |