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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 |