Figure 41.1
-How would you, as an athlete or trainer, interpret the data portrayed in the graph above?

A) It is highly probable that muscle cells involved in exercise use fatty acids as a fuel source.
B) The protein- fat diet resulted in the longest endurance.
C) A high- carbohydrate diet consumed before an endurance event improves endurance.
D) A high- carbohydrate diet is deleterious to all individuals because carbohydrates contain empty calories.