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Nutrition and the Soccer
Player By eating the right foods, soccer players can maximize their energy reserves and perform at peak efficiency for an entire game, a weekend tournament, even an entire season. The first thing to understand is there are no magical foods that can sharply improve performance. The following aspects of nutrition are of particular concern to endurance type athletes such as soccer players. High Energy DietsThe energy used for muscular activity, commonly measured in units called calories, is provided mainly by the carbohydrates and fats in our diet. Proteins, though important staples, are not an energy source. They serve as the building blocks for growth and repair of cells. Nutrition experts suggest that a well-balanced, high-energy diet will derive 60-65 percent of its calories from carbohydrates, 20-25 percent of calories from fat, and 10-15 percent of calories from protein. The typical American diet, in contrast, derives nearly 40 percent of its calories from fat and contains too much protein and to little carbohydrates. From an energy (over-all health) standpoint, this is not the best diet for soccer players. That is why the players must make a conscious effort to consume an atypical diet-one that contains a higher percentage of complex carbohydrates, coupled with relatively lesser amounts of fats and protein. Carbohydrates are the sugars and starches found in such foods as CEREALS, BREADS, RICE, PASTA, FRUITS, VEGETABLES, MILK, and MILK PRODUCTS. As we consume carbohydrates, they are broken down by the body and stored as a starch called GLYCOGEN. Some glycogen is stored in the liver; most is stored in the MUSCLES. Glycogen is readily broken down in to molecules of GLUCOSE, commonly called BLOOD SUGAR, WHICH IS THE PRIMARY FUEL FOR OUR BRAIN AND MUSCLE CELLS. We derive dietary fats primarily from MEATS, EGGS, DAIRY PRODUCTS, NUTS, and VEGETABLE OILS. Fats provide a very concentrated source of food energy. Excess fat is stored in fat cells called ADIPOSE TISSUE, and in muscle cells. Both glycogen and stored fats are available for use whenever the body needs a boost of extra energy. The exact mix of fuel used by the muscles depends upon how hard an athlete is working. During moderate exercise, such as warm-ups, the muscles run on a mixture of free fatty acids as well as glucose. As the intensity of exercise increases, however, fats become a less efficient energy source. Glycogen is the preferred fuel for both short-term (sprint) and long-term endurance exercises. During a soccer game, the muscles must draw on stored glycogen for energy. If supplies run short, the muscles become exhausted and fail to perform properly. The players can maximize their muscle glycogen stores by increasing carbohydrate intake during the three or four days prior to a game, while at the same time gradually reducing the intensity of their training. The type of carbohydrates consumed is not important, as the complex (starch) and simple (sugars) carbohydrates are equally effective increasing glycogen stores. Even so, for overall health reasons it would be wise for the players to consume complex carbohydrates rather than simple sugar. Eating on the RoadFast-food restaurants, noted for the high fat, salt, and sugar contents of their food choices, are often the sites of pre- and post-game meals. Even so, the athletes can, by following a few simple guidelines, find many opportunities to consume a high-energy diet.
Pre-Game NutritionThere are no foods that, when taken several hours before a contest, will produce super performance. The only "miracles" derived from nutrition come from proper eating on a daily, weekly, and yearly basis. Even so, what a player eats and drinks immediately before a game may affect performance. The goals of the pre-game meal are:
The following guidelines will help achieve these goals:
Post-Game NutitionProper refueling after the game is also important, especially if the player is going to be competing in two or three games over a span of several days. The following guidelines will help offset fatigue and aid in the recovery process.
Fluid ReplacementInadequate hydration is a major cause of poor performance, fatigue, and even illness during a game or practice. When sweat loss exceeds three percent of body weight, it will usually impair performance. Soccer players should replace such lost fluids, during both practices and games. This is especially very important on days when both temperature and humidity are high. Players should actually start monitoring fluid intake two or three days before the game. As a rule, they should consume foods high in water content and drink plenty of fluids. Immediately before and during the game, the players should take small quantities of fluid at regular intervals. Water is always an excellent replacement drink and some of the commercial sport drinks are good. When using commercial sport drinks, choose one that contains few solid particles (low in sugar and salt content), and is not overly sweet. Important NoteNutrition is only one aspect
affecting performance on the soccer field. Although research supports
all of the suggested guidelines presented here, always keep in mind that
players are individuals with their own ideas, beliefs, and food
preferences. Many athletes are also superstitious, and have favorite
foods, which they think will help them play better. Players should not
be forced to eat the "proper" foods if they do not believe it is good
for them. The psychological benefits derived from eating what you want
sometimes out-weigh the nutritional benefits of eating what you
"should!" |
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