Aging results in a gradual loss of skeletal muscle function over time. Sarcopenia, the progressive loss of skeletal muscle mass, strength, and performance with age, is one of the critical causes of functional decline in aged adults. Essential for supporting breathing, as well as moving and maintaining posture and balance, skeletal muscle makes up nearly 40% of a young, healthy individual’s total body mass and decreases between 3 to 8% each decade after 30 years of age.

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