A 32-year-old athlete notices that their muscles feel more fatigued during a workout if they do not consume enough carbohydrates. Which process is primarily responsible for this increased fatigue?
Q1. A 32-year-old athlete notices that their muscles feel more fatigued during a workout if they do not consume enough carbohydrates. Which process is primarily responsible for this increased fatigue?
Answer: Muscle glycogen depletion
Explanation: Muscle glycogen is a primary energy source for high-intensity exercises; depletion can lead to fatigue and weakness.