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68WM6 Muscles

68WM6 10-10 Muscle Systems

QuestionAnswer
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