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Lean Muscle Mass Acquisition

Meaning

Lean Muscle Mass Acquisition refers to the net increase in skeletal muscle tissue within the body, a process that is metabolically and structurally distinct from fat mass gain. This physiological adaptation is a critical component of healthy aging, directly contributing to improved metabolic health, enhanced physical function, and increased basal energy expenditure. Achieving this acquisition requires a precise synergy between adequate protein intake, sufficient mechanical stimulus, and an optimized anabolic hormonal environment. Clinically, it is a primary therapeutic target for mitigating sarcopenia and improving insulin sensitivity.