| A | B |
|---|
| antagonist | muscle that directly opposes prime movers |
| fizator | muscle that acts as a joint stabilizer |
| insertion | point of attachment that moves when the muscle contracts |
| lever | rigid bar free to turn about a fixed point |
| origin | point of attachment that does not move when the muscle contracts |
| posture | alignment of body parts |
| prime mover | muscle or group of muscles that directly performs a given movement |
| synergist | muscle that contracts at the same time as the prime mover |
| muscular system | large mass of skeletal muscle that moves the framework fo the body |
| endomysium | delicate connective muscle tissues |
| perimysium | a coarse sheath |
| tendon | a strong tough cord continuous at its other end with the bibrous periosteum covering a bone |
| aponeurosis | merges with the fibrous wrappings of another muscle |
| belly | when a muscle shortens this contracts |
| mastication | muscles used for chewing |
