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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 |