![]() ![]() Sarcopenia is age-related muscle atrophy and can be slowed by exercise. In contrast, cachexia is a wasting syndrome caused by an underlying disease such as cancer that causes dramatic muscle atrophy and cannot be completely reversed with nutritional therapy. Malnutrition first causes fat loss but may progress to muscle atrophy in prolonged starvation and can be reversed with nutritional therapy. Depending on the duration of disuse and the health of the individual, this may be fully reversed with activity. Muscle atrophy leads to muscle weakness and causes disability.ĭisuse causes rapid muscle atrophy and often occurs during injury or illness that requires immobilization of a limb or bed rest. It can be caused by immobility, aging, malnutrition, medications, or a wide range of injuries or diseases that impact the musculoskeletal or nervous system. ![]() Muscle atrophy is the loss of skeletal muscle mass. The size of the muscle is reduced, as a consequence there is a loss of strength and mobility. ![]()
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