Exercise After Eating OK for Most People
Many people believe that exercising right after youeat will cause stomach cramps, but that doesn't usually happen.Whenever your stomach fills with food, its muscles contractand require large amounts of blood. When you exercisevigorously, your heart pumps large amounts of blood to yourskeletal muscles. If your heart is not strong enough to pumpblood to both your stomach and your skeletal muscles, blood isshunted from your stomach muscles, the muscles lack oxygen,lactic acid builds up in muscles and they start to hurt. However,most people can exercise after eating without suffering crampsbecause their hearts are strong enough to pump blood to boththeir exercising muscles and their stomach muscles. Some researchers believe that you shouldn't eat sugarbefore you exercise because it will cause your blood sugar levelto rise and your pancreas to release insulin, which will causeyour blood sugar to drop too low so you will feel tired duringexercise. However, the major cause of tiredness that you feel inyour muscles during exercise is lack of stored sugar in muscles.Taking any extra calories before and during exercise helps topreserve the sugar that is stored in muscles and help you toexercise longer. If you are going to exercise for more than anhour, eat or drink anything you like before and during yourexercise. Most people will not get stomach cramps whileexercising, no matter what or when they eat.
Dr. Gabe Mirkin's Fitness and Health E-Zine
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You really should eat after you exercise. When you're done working out, your muscles are damaged and your sugar reserves are low. If you eat a meal high in simple carbs, your body can quickly replenish its glucose stores and start repairing the damaged muscle tissue. Recipe: Chocolate Protein Shake
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