| A | B |
|---|
| Antagonist | Muscle directly opposed to prime movers |
| Fixator | acts as a joint stabilizer |
| Insertion | moves when muscles contract |
| Lever | turn around fixed point |
| Origin | does not move when muscles contract |
| Posture | alignment of body parts |
| Prime mover | dirrectly 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 of the body |
| Endomysium | delicate connective tissue membrane |
| Perimysium | toughter connective tissue envelope |
| Epimysium | coarse sheath |
| Tendon | a strong touch cord |
| Aponeurosis | broad, flat sheet of connective tissue |
| Tendon sheaths | tube-shaped structures of gibrous connective tissue |
