During the first hour of prolonged exercise, lipid supplies about __________ of the energy, whereas during the third hour, lipid contributes up to __________ of the total energy requirement.

Question

Quizplus · Accepted Answer

During the first hour of prolonged exercise, lipids supply about 50% of the energy. As the exercise continues, the body's reliance on lipids increases, and by the third hour, lipids can contribute up to 70% of the total energy requirement. This shift occurs as glycogen stores are depleted and the body increases its reliance on fat as a fuel source.

During the First Hour of Prolonged Exercise, Lipid Supplies About