Quizlet list w. 38

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• atrophy shrink in size and lose strength
• contract to make the muscle short and thick, which causes movement
• extend increase the angle between two bones
• extend to stretch the muscle, ex biceps
• flex decrease the angle between two bones, ex the spinal column
• muscle spasm or cramps are sudden, painful involuntary muscle contractions
• rotare turn a body part around its own axis/atlas
• skeletal muscle is attached to bones and causes body movement
• strain is an overstretching of or injury to a muscle and/ or tendon
• tendons strong tough fibrous connective tissue cord

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