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Muscle Economics

Meaning

The conceptual framework for evaluating the metabolic cost, energetic efficiency, and adaptive return of muscle tissue maintenance and growth in the context of whole-body energy expenditure and resource allocation. This ‘economics’ perspective considers muscle as a major, metabolically expensive organ that actively competes with other tissues for energy and amino acid substrates. Optimizing muscle economics is central to improving systemic metabolic health and effectively combating age-related sarcopenia.