Why is nutrition important in modern sports training?
Nutrition is a basic part of modern sports training because the body needs fuel to perform exercise and nutrients to repair itself afterward. Carbohydrates help supply energy for training, proteins support the repair and growth of muscles, and fluids help maintain hydration and temperature control. A balanced intake can therefore support training quality, recovery, and readiness for the next session. Option A is correct because it includes the two central outcomes: energy during activity and recovery after activity. Options B, C, and D are incorrect because nutritious food does not stop practice, reduce fitness, or change the rules of a sport.
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