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HCT Chapter 15
Term | Definition |
---|---|
Antagonist | Muscle that acts in opposition to the action of another muscle, which is its agonist |
Atrophy | Wasting away, decrease in size |
Contraction | Shortening or development of tension in muscle tissue |
Contracture | Permanent shortening of tendons and ligaments of a joint resulting from atrophy of muscle |
Dystrophy | Muscle disorder resulting from defective or faulty nutrition, abnormal development, or infection |
Myalgia | Muscle pain |
Paralysis | Loss or impairment of motor function |
Posture | Attitude or position of the body |
Prime mover | Muscle that acts directly to bring about a desired movement, agonist |
Range of motion | Active or passive movement of muscle groups to full extent possible, used to prevent contracture |
Sarcomere | Repeating units of muscle fibers with the ability to contract |
Skeletal | Pertaining to the framework of the body |
Stimulus | Any agent, act, or influence that produces a change in the development or function of tissues |
Tonus | Slight, continuous contraction of muscle |
Visceral | Pertaining to any large interior organ in any one of the cavities of the body |