Research Article: Development and Validation of Estimation Equations for Appendicular Skeletal Muscle Mass in Chinese Community-Dwelling Older Adults
Introduction:
Muscles are the foundation of human physiological activities, and muscle mass is closely associated with physical function, quality of life, and overall health. Research has shown that muscle mass reaches its peak around the age of and gradually declines after the age of . After the age of , muscle mass loss ranges from % to % per year, with even more pronounced decline in older adults. Insufficient muscle mass hinders the normal movement of joints, leading to functional impairments such as falls and fragility…
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