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Leg Muscle Actions
| Term | Definition |
|---|---|
| Hamstrings group (biceps femoris, semitendinosus, semimembranosus) | flexes knee and extends hip |
| Gastrocnemius | plantar flexes foot and flexes knee |
| adductor group | adducts the thigh & flexes hip |
| Sartorius | flexes hip, abducts thigh,& laterally rotates thigh |
| Quadriceps group (vastus medialis, intermedius, and lateralis; and the rectus femoris) | extend knee (1 muscle flexes hip) |
| tibialis anterior | dorsiflexes and inverts foot |
| fibularis longus | plantar flexes and everts foot |
| extensor digitorum longus | extends toes and dorsiflexes foot |
| soleus | plantar flexes foot |
| gluteus medius | abducts thigh, steadies pelvis during walking |
| gluteus maximus | extends hip (lowers thigh) forcefully |
| Iliopsoas | flexes hip |