| Muscle |
Origin |
Insertion |
Nerve |
Action |
Notes |
| gluteus maximus |
- ilium
- lumbar fascia
- sacrum
- coccyx
|
|
inferior gluteal |
- extends trunk on thigh
- lateral rotation of thigh
|
|
| gluteus medius |
lateral surface of ilium |
lateral aspect of greater
trochanter |
superior gluteal |
support and tilt pelvis during walking |
|
| gluteus minmus |
iliac blade |
anterior aspect of greater trochanter |
|
| tensor fascia latae |
iliac crest |
ilio-tibial tract |
tenses fascia lata |
|
| piriformis |
anterior aspect of sacrum |
greater trochanter |
superior gluteal |
- stabilise hip joint
- can laterally rotate hip
|
passes through greater sciatic foramen |
| obturator internus |
obturator foramen |
greater trochanter |
nerve to obturator internus |
passes through lesser sciatic foramen |
| superior and inferior gemelli |
margins of lesser sciatic foramen |
tendon of obturator internus |
|
|
| psoas major |
bodies and tranvers processe of lumber vertebrae |
lesser trochanter |
spinal nerves |
- flex leg
- slight medial rotation
|
|
| iliacus |
iliac fossa |
femoral nerve |
|
| pectineus |
pectineal surface of pubis |
below lesser tuberosity |
femoral nerve |
weak flexion |
|