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The Combat Fitness Blog

What Is Capacity vs Capability?

Combat Fitness

Published on: 22/01/2026

Capacity is the overall physical potential to perform work, reflecting the combined ability to generate force, sustain output, and resist fatigue across training and operational demands.

Military Fitness

What Is Work Capacity?

Combat Fitness

Published on: 22/01/2026

Work capacity is the ability to perform and sustain high volumes of physical work across multiple energy systems, reflecting overall fitness, fatigue tolerance, and resilience under prolonged or repeated stress.

Military Fitness