A | B |
sternocleidomastoid | flexes head |
trapezius | elevates shoulders and extends head |
pectoralis major | flexes and adducts upper arm |
latissimus dorsi | extends and adducts upper arm |
deltoid | abducts upper arm |
biceps brachii | flexes forearm or elbow |
triceps brachii | extends forearm or elbow |
Iliopsoas | flexes thigh |
gluteus maximus | extends thigh |
adductor muscles | adducts thighs |
hamstring muscles semimembranosus, semitendinosus,biceps femoris | flexes leg or flexes knee |
Quadriceps femoris (rectus femoris, vastus muscles) | extends lower leg or knee |
Tibialis anterior | dorsiflexes foot or ankle |
gastrocnemius | plantar flexes foot or ankle |
fibularis (peroneus) group | flexes foot |