What does the term "sarcopenia" describe?
a. Absence of muscle cells
b. Fatigue of muscle cells
c. Age-related loss in skeletal muscle
d. Muscles that are unable to contract
ANS: C
Age-related loss in skeletal muscle is referred to as sarcopenia and is a direct cause of the age-related decrease in muscle strength. The term is not used to describe the absence or fatigue of muscle cells or their inability to contract.
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