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Unformatted text preview: Go under spontaneous contractions Energy o The breakdown of glucose or stored glycogen can give fast ATP supply through anaerobic breakdown in which lactic acid is formed, 2 ATP forms per glucose molecule o The aerobic metabolism of glucose is slower, but can produce 36ATP per glucose molecule Rigor Mortis o Stiffening of skeletal muscles that begins several hours after death ATP concentration declines in cells after death since nutrients and oxygen needed for metabolic pathways required to form ATP are no longer supplied by the circulation Without AP , breakage of link between actin and myosin do not occur, immobilized cross-bridges producing a rigid condition Muscle Atrophy- the decrease size of muscles due to inactivity Muscle hypertrophy- the enlargement of muscle fiber size due to both increased nervous system activity or physical demand placed on the muscle....
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- Spring '08