Figure 43.1 -Three Groups of Cyclists Consumed Three Different Types of Diets

Multiple Choice

Figure 43.1

-Three groups of cyclists consumed three different types of diets:
High-carbohydrate,a diet mixed in carbohydrates,fat,and protein,or a diet higher in protein and fat.The average time each group could spend cycling over a 6-hour period is shown in the above graph.
How could an athlete or trainer use the data to improve performance?

A) Endurance is entirely related to diet.
B) Maintaining elevated blood sugar improves performance.
C) An early and dramatic drop in blood glucose is associated with improved endurance.
D) Diet is not at all related to endurance.