| A | B |
|---|
| orbicularis oculi | closes eye |
| orbicularis oris | draws lips together |
| masseter | closes jaw |
| temporal | closes jaw |
| 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 |
| rectus abdominis | flexes trunk |
| external oblique | compresses abdomen |
| internal oblique | compresses abdomen |
| transversus abdominis | compresses abdomen |
| intercostal muscles | expands thoracic cavity during inspiration |
| diaphragm | expands thoracic cavity during inspiration |
| zygomaticus | elevates corner of mouth and lips |
| 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 |
| soleus | plantar flexes ankle |
| sartorius | flexes thigh & rotates leg |
| brachialis | flexes forearm and elbow |
