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Types of Muscles
Different types of muscles
| Term | Definition |
|---|---|
| Unipennate | Muscles run obliquely from tendon on 1 side |
| Parallel | Parallel fibers- greater range |
| Fast | Speed of twitch contraction and relaxation |
| Slow | Low rates of stimulation |
| Strap | Thin long band |
| Fusiform | Spindle shaped with central belly that tapers down |
| Flat | Thin and broad EX: Abs |
| Radiate | Fan shaped, triangular |
| Circular | Surrounds openings |
| Bipennate | Run obliquely on both sides of tendon |
| Multipennate | Several tendons with fibers running diagonally between them |
| Antagonist (prime mover) | Reverses movement |
| Fixator | Holds bone in place |
| Aponeurosis | Takes place of tendon in sheet-like muscles |
| Insertion | Muscle attaches to movable bone |
| Origin | Where the muscles tendon attaches to stationary bone |