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lack of use.

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12y ago
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4mo ago

Muscle shrinkage, or muscle atrophy, can be caused by lack of use (such as immobilization or inactivity), nerve damage, malnutrition, aging, or certain medical conditions like ALS or muscular dystrophy. It can also occur as a result of a decrease in muscle protein synthesis or an increase in muscle protein breakdown.

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Q: What causes your muscle in your arm too shrink?
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