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MUSCLES
Muscle Names and functions
| Question | Answer |
|---|---|
| frontalis | elevates brows; moves scalp |
| orbicularis oculi | closes eye |
| orbicularis oris | closes mouth |
| zygomaticus | draws corner of mouth upward |
| temporalis | closes jaw |
| masseter | closes jaw |
| sternocleidomastoid | rotates head, flex head |
| trapezius | extends head, neck |
| external intercostals | expand thorax |
| internal intercostals | compress thorax |
| rectus abdominis | flexes vertebral column |
| external oblique | compresses abdomen |
| transverse abdominis | compresses abdomen |
| serratus anterior | rotates scapula, elevates ribs |
| pectoralis major | adducts, flexes, rotates arm |
| teres major | adducts, rotates arm (medially) |
| teres minor | adducts, rotates arm (laterally) |
| latissimus dorsi | extends, rotates, adducts arm |
| infraspinatus | adducts & rotates arm laterally |
| deltoid | abducts arm, rotates medially & laterally |
| triceps brachii | extend forearm |
| biceps brachii | flex, supinate forearm |
| brachialis | flexes forearm |
| brachioradialis | flexes forearm |
| tensor fascia latae | flexes & abducts thigh |
| gluteus maximus | extends & rotates thigh (laterally) |
| gluteus medius | abucts & rotates thigh (medially) |
| rectus femoris (quadriceps) | extends leg; flexes thigh |
| vastus lateralis | extends leg |
| vastus medialis | extends leg |
| biceps femoris (hamstrings) | flexes leg & extends thigh |
| semimembranosus | flexes leg & extends thigh |
| semitendinosus | flexes leg & extends thigh |
| sartorius | flexes thigh; flexes, rotates leg |
| adductor longus | adducts, flexes; rotates thigh |
| gracilis | adducts thigh; flexes leg |
| tibialis anterior | dorsiflexes foot |
| gastrocnemius | plantar flexes foot |
| soleus | plantar flexes foot |
| peroneus longus | plantar flex & evert foot |