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Musculoskeletal Capacity Index

Meaning

The Musculoskeletal Capacity Index (MCI) is a composite, quantitative metric used in clinical practice to assess the integrated health and functional reserve of an individual’s muscle, bone, and connective tissue systems. This index goes beyond simple muscle mass measurements, incorporating parameters like bone mineral density, grip strength, power output, and resistance to injury. A high MCI is a robust indicator of systemic resilience, mobility, and overall biological vitality, correlating strongly with health span and independent longevity. Tracking the MCI allows clinicians to monitor the efficacy of anabolic and anti-catabolic interventions over time.