Atrophy is the wasting away of muscle mass due to lack of use or injury, resulting in muscle fibers becoming smaller. It is the opposite of hypertrophy.
Atrophy is the wasting away of muscle mass due to lack of use or injury, resulting in muscle fibers becoming smaller. An example is muscle loss after wearing a cast for an extended period. Atrophy is the opposite of hypertrophy, where muscle cells increase in size.
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