What is one effect of adequate recovery time on fatigue?

• A. Allows muscles to repair and fuel to be replenished
• B. Increases lactic acid production
• C. Reduces hydration levels
• D. Permanently lowers resting heart rate

Answer: (A)

Adequate recovery time allows muscles to repair small damage and restore energy stores. After exercise, muscle fibers experience micro-tears and glycogen and phosphocreatine levels are depleted. Rest and proper nutrition help protein repair work rebuilds the fibers, and carbohydrates restore glycogen so muscles have fuel ready for the next effort. This restoration of structure and fuel reduces fatigue, so you’re better prepared for subsequent activity. Lactic acid and other byproducts are more effectively cleared during recovery, hydration is rebalanced, and any longer-term gains in resting heart rate come from regular training over time rather than a single recovery period.