Depletion of liver and muscle glycogen stores are most likely to contribute to fatigue and impaired performance in exercise events lasting_______________.
A)10 minutes
B)20 minutes
C)30 minutes
D)60 minutes

Question

Depletion of liver and muscle glycogen stores are most likely to contribute to fatigue and impaired performance in exercise events lasting_______________.
A)10 minutes
B)20 minutes
C)30 minutes
D)>60 minutes

Quizplus · Accepted Answer

Liver and muscle glycogen stores are the primary fuel source for prolonged exercise events lasting longer than 60 minutes. Depletion of these stores can lead to fatigue and impaired performance. Shorter duration exercise events rely more on other energy systems such as ATP-PC and anaerobic glycolysis.

Depletion of Liver and Muscle Glycogen Stores Are Most Likely