... source during the high-intensity activities associated with football (e.g. sprinting). They can only used during lower intensity aerobic exercises such as jogging. Carbohydrate foods contain energy which can be used to fuel the muscles for prolonged aerobic activities and for shorter anaerobic activities such as sprinting. Therefore, carbohydrate foods are ideal energy sources for footballers. Protein foods are used by the body as energy sources usually after 45 minutes of exercise. Again, this is ideal for footballers. The Importance of Carbohydrates Research shows professional outfield players run about 5-8 miles in a game and are in personal posession of the ball for a total of only of 3 minutes. As a result they use up huge amounts of carbohydrate energy. These carbohydrates must be replaced after the match - the sooner the better. However, in the two days prior to a match, professional footballers increase the amount of carbohydrates they eat. In this ...

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