| A | B |
|---|
| masseter | chewing muscle |
| sternocleidomastoid | lowers and rotates the head |
| zygomaticus major and minor | smiling muscles |
| temporalis | helps in chewing |
| frontalis | raises the eye brow; surprised look |
| trapezius | swinging movements of th arm |
| orbicularis oculi | assists in winking, blinking |
| tricep | extends the forearm; boxing muscle |
| biceps | muscle that flexes the forearm |
| deltoid | muscle that forms the rounded portion of the shoulder |
| tibialis anterior | bends foot upward and inward |
| deltoid | arm extends outward to the side of the body |
| pronator | turns hand inward - palm downward |
| supinator | rotates radius outward - palm up |
| flexors | bending the wrist |
| extensors | straighten wrist hand fingers |
| abductors | separate fingers |
| adductors | draw fingers together |
| bucccinator | compresses cheeks - expels air |
| platysma | lowers lower jaw and lip |
| occipitalis | draws scalp backward |
| Myology | study of muscles |
| Striated muscles | Skeletal - voluntary |
| Nonstriated muscles | involuntary - internal organs |
| cardiac muscle | heart muscle |
| origin | part of muscle attached to immovable bone |
| belly | middle part of the muscle |
| insertion | part of the muscle that is attached to moveable part of the skeleton |
