| A | B |
|---|
| Belly | The largest part of the muscle, which actually contains the muscle cells |
| Insertion | The point at which a muscle's tendon attaches to the moveable bone |
| Origin | The point at which a muscle's tendon attaches to the more stationary bone |
| Mastication | The process of chewing |
| Extrinsic hand muscles | Muscles in the forearm which create motion in the hands |
| Intrinsic hand muscles | Muscles within the hand which create motion in the hands |
| Synergists | Muscles that work together for the same motion |
| Prime mover | The main muscle that gets the job done |
