After death,muscles remain in a stiff position for several hours.This stiff position is called:

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Rigor mortis is the stiffening of muscles after death, which occurs due to the depletion of ATP, causing the myosin and actin filaments to remain attached until the muscle fibers are degraded. Osteoarthritis and rheumatoid arthritis are chronic joint disorders that affect living individuals. Osteoporosis is a medical condition that causes brittle bones, and flaccid paralysis is a condition in which the muscles become weak or flaccid due to nerve damage.

After Death,muscles Remain in a Stiff Position for Several Hours