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Home Q & A Board Biology-Related Homework Help Cell Biology
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noelpetry13 noelpetry13
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10 years ago
rigor mortis sets in after death of a human or animal because of the supply of ATP decreases to the point at which calcium can no longer be removed from the cell. at this point, the myosin molecules attach to the thin filament. the muscles stiffin, and the limbs cannot be moved. why and for how long does the muscle then remain in this continuously contracted state?
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10 years ago
Quote from: noelpetry13 (10 years ago)
rigor mortis sets in after death of a human or animal because of the supply of ATP decreases to the point at which calcium can no longer be removed from the cell. at this point, the myosin molecules attach to the thin filament. the muscles stiffin, and the limbs cannot be moved. why and for how long does the muscle then remain in this continuously contracted state?

the muscles will usually remain at this state for approximately 72 hours
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