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Metabolic Energy Partitioning

Meaning

Metabolic Energy Partitioning describes the complex physiological process by which ingested caloric energy is differentially allocated and utilized among the body’s various tissues, including muscle, adipose tissue, and the central nervous system. This process is fundamentally governed by a network of endocrine signals, such as insulin, glucagon, and thyroid hormones, which dictate whether energy is stored as fat, used for immediate activity, or directed toward tissue repair. Optimal partitioning favors lean muscle accrual and minimizes visceral adiposity, contributing significantly to metabolic health and body composition. Understanding this partitioning is crucial for effective weight management and body recomposition strategies.