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68WM6 Muscles
68WM6 10-10 Muscle Systems
| Question | Answer |
|---|---|
| Actin | contractile protein found in the thin myofilaments of skeletal muscle |
| All or None | when stimulated, a muscle fiber will contract fully or not at all; whether a contraction occurs depends on whether the stimulus reaches the required threshold |
| Antagonist | those having opposing actions; for example, muscles that flex the upper arm are antagonists to muscles that extend it |
| Aponeuroses | broad fibrous sheets of connective tissue |
| Atrophy | wasting away of tissue; decrease in size of a part; sometimes referred to as disuse atrophy |
| Bursa | saclike, fluid-filled structure, lined with synovial membrane, near a joint |
| Hypertrophy | increase in size, structure, or function |
| Isometric | type of muscle contraction in which muscle does not shorten |
| Isotonic | of the same tension or pressure |
| Sacromere | contractile unit of muscle; length of a myofibril between two Z bands |
| Synergist | muscle that assist the prime mover |
| Tenosynovitis | inflammation of the tendon sheath |
Created by:
egolden12
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