click below
click below
Normal Size Small Size show me how
MUSCLE LIST
| Question | Answer |
|---|---|
| psoas major | o- L1-L5 transv. proc. T12-L4 bodies&interv. discs i- lesser trochanter femur f- hip FLEX & EXT ROT trunk FLEX & LAT FLEX unilateral trunk bending and bilateral raising & stabilizes lumbar spine |
| iliacus | o- illiac fossa sup2/3 + inner lip of iliac crest+ lateral sacrum+ant. socroiliac & illoumber ligg. i- lesser trochanter femur (via iliopsoas tendon) f- hip FLEX fixed hip FLEX |
| gluteus maximus | o- posterior ilium- gluteal line_os sacrum + os coccyx i- gluteal tuberosity + IT tract f- hip EXT & EXT ROT + assistes rising from sitting and climbing |
| gluteus medius | o- external surface of ilium between ant. and post. gluteal lines i- lat. greater trochanter femur f- hip ABD ant fibers- hip MED ROT & FLEX post fibers- hip EXT ROT & EXT + stabilizes pelvis during single- leg stance |
| gluteus minimus | o- same i- ant. greater trochanter femur f- same |
| piriformis | o- ant surface of sacrum + ilium + sacrotuberous lig. i- apex of greater trochanter f- extended hip EXT ROT fixed hip ABD +stabilizes hip, landmark in gluteal region |
| obturator internus | o- obturator membrane+ ischiopubic rami+ pelvic portion of obturator foramen i- greater trochanter f- extended hip EXT ROT flexed hip ABD +stabilizes hip joint |
| obturator externus | o- oburator membrame+ bony margins of oburator foramen i-trochanteric fossa femur f- hip extended EXT ROT hip flexed ABD +stabilizes femoral head in socket |
| gemellus superior | o- ischial spine i- upper edge of obturator internus tendon- then ontp greater trochanter f- hip EXT ROT flexed hip ABD +hip stabilization & works with oburator internus |
| gemellus inferior | o- ischial spine i- lower edge of tendon of obturator internus- common insertion same as superior f- hip EXT ROT flexed hip ABD +hip stabilization & works with oburator internus |
| quadraturs femoris | o- lat border of ischial tuberosity i- intertrochanteric crest femur f- hip EXT ROT & ADD +stabilizes femoral head in acetabulum |