Board Certified Specialist in Sports Dietetics Practice Test

For athletes engaged in high-intensity training, a protein intake in the range of 1.4 to 1.7 grams per kilogram of body weight is particularly beneficial for several reasons. This level of protein intake supports muscle repair and growth, especially after intense training sessions where muscle protein breakdown occurs.

This range is appropriate because it coincides with the needs of athletes who not only require sufficient protein for muscle recovery but also for optimum performance. The recommendation is based on research that indicates that higher protein consumption helps to enhance muscle protein synthesis, particularly in athletes who are training at high volumes or intensities. Furthermore, this protein intake range provides enough flexibility for athletes to meet their individual needs based on their specific training regimens, body composition goals, and overall dietary patterns.

In contrast, the other options suggest lower amounts of protein, which may not sufficiently meet the needs of those undergoing rigorous training. For instance, the lower ranges may support general fitness levels or endurance activities, but may fall short for high-intensity strength or power athletes who require greater muscle recovery and adaptation. Therefore, the selected range of 1.4 to 1.7 grams per kilogram effectively balances the demands of rigorous training and recovery needs for athletes.