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Carbohydrates: Carbohydrate-rich foods are the best fuel sources for athletes. Sports nutritionists recommend that about 55 to 65 percent of calories come from carbohydrates. Complex carbohydrates such as starches should make up the majority of carbohydrate fuel. Examples of starchy foods are breads, cereals, pastas, starchy vegetables such as corn and potatoes, and dried beans and peas. Fruits are also excellent sources of carbohydrates. It is important to eat a variety. Besides providing energy, carbohydrate-rich foods such as grain and cereal products, fruits, vegetables, and legumes are excellent sources of fiber. Vitamins and minerals are abundant in many of these foods. In an athletic event, carbohydrates are the initial fuel source. In short-burst, high-intensity events such as sprinting, jumping and pole vaulting, carbohydrates provide 100 percent of energy. For longer events carbohydrates and fats are the energy sources. The body stores limited amounts of carbohydrates as glycogen. Through physical training and a diet rich in complex carbohydrates, athletes are able to store more glycogen and to use its limited supply sparingly. The amount of energy available from glycogen storage is about 1800 - 2000 calories. When stores run low, athletes become fatigued and performance suffers. Carbohydrate Loading: Carbohydrate loading (also called glycogen loading) is a technique that may help endurance athletes such as marathon runners, biathletes and triathletes. Although the original technique for carbohydrate loading produced detrimental effects, a modern adaptation of the technique provides better results. The technique does not benefit athletes who are involved in training or competition for less than 90 continuous minutes. Modified carbohydrate loading allows athletes to eat their normal high carbohydrate training diet. In the final three days prior to competition, athletes push daily carbohydrate intake to 525-550 grams of carbohydrate or 65 percent of calories from carbohydrate, whichever is greater. This final push of carbohydrate will enhance glycogen storage within the body. Intakes above 500 to 600 grams of carbohydrate per day do not contribute significantly to muscle glycogen storage or athletic performance. Carbohydrates During and After Athletic Events: When athletic events last more than 60 minutes, athletes benefit by eating carbohydrates during exercise. The extra fuel helps them stay competitive longer. Slightly sweetened beverages which contain less than 24 grams of carbohydrate per one cup (8 oz) may be used. Nutritionists recommend 50-60 grams of carbohydrates per hour to fuel athletes through endurance events. Fruit juices that are diluted one part juice to one part water or some sports drinks will do the trick for endurance athletes. Following training or competing, it's important to eat complex carbohydrate-rich foods as soon as possible. After replenishment athletes can resume their normal high carbohydrate training diet. During training or competition, glycogen stores are used for energy and need to be replenished. (Learn More...)
A healthy athlete performs at their best.
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