Final answer:
Athletes need to consume 55-65% carbohydrates to store enough glycogen, which is crucial for energy during exercise. Carbohydrate intake is essential for high performance and overall health as it efficiently fuels muscle activity and provides necessary nutrients.
Step-by-step explanation:
One of the major reasons athletes who engage in moderate to high intensity training should consume 55-65% carbohydrates is to ensure they have sufficient energy stored as glycogen in their liver and muscle cells. During exercise, glycogen is rapidly converted to glucose to meet the high energy demands of muscles. This is crucial as carbohydrate storage is relatively limited, and consuming enough carbohydrates through diet is essential for sustaining performance.
Athletes often use strategies like carb loading before competitions to maximize glycogen stores, giving them a reliable source of energy. Carbohydrates provide energy more efficiently than fats and are easier to convert to glucose, which is necessary for high levels of performance. Complex carbohydrates are particularly important as they provide not only energy but also fiber, vitamins, and minerals that are vital for overall health.