Sports Fitness > Sports Injuries > Dos And Donts

Using the same large muscle group, rhythmically, for a period of 15 to 20 minutes or longer while maintaining 60-80% of your maximum heart rate. Think of aerobic activity as being long in duration yet low in intensity. Aerobic activities include: walking, biking, jogging, swimming, aerobic classes and cross-country skiing. Anaerobic activity is short in duration and high in intensity.

Your workout must be identical to the upcoming event to deplete the right muscles. Then eat a high-carbohydrate diet (70-80 percent carbs, 10 to15 percent fat, 10-15 percent protein) and do little or no exercise starting three days before your event. Muscles loaded with unused glycogen will be available to work for longer periods of time during competition.

Be A Winner

Avoid high protein or high fat foods on the day of an event, as these can stress the kidneys and take a long time to digest. Empty your upper bowel by competition time. The general guidelines are to eat a meal high in carbohydrates/Take solid foods 3 or 4 hours before events, and liquids 2 or 3 hours before/Choose easily digestible foods (i.e., not fried)/Avoid sugary foods/drinks within one hour of event/Drink enough fluids to ensure hydration (i.e., 20 ounces of water 1 or 2 hours before exercise, and an additional 10 to 15 ounces within 15 to 30 minutes of event).

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Small decreases don't cause problems, and in most cases, they go completely unnoticed. There are three levels of dehydration: mild (where you can lose 3% to 5% of your body weight), moderate (6% to 9%), and severe (10% or more).

You accelerate quickly trying to beat out that cheap little hit down the third base line or sprint to the finish of a 10K.You've pulled your rear-thigh muscle. Ice for 20 minutes while sitting with your leg straight out on a sofa or the floor.