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Most of the iron in your body is found as part of two proteins called hemoglobin, which is found in red blood cells, and myoglobin, which is found in muscle cells. Athletes in training may also lose iron through GI bleeding, the destruction of red blood cells, urinary loss, and heavy sweating. Iron loss in urine can also occur if muscle cells are ruptured during intense training, resulting in the release of stored myoglobin, or if the inner lining of the bladder becomes irritated, resulting...
Although muscle cramps are reported to occur during the sodium-deficient state, some researchers believe that alterations in sodium balance are not involved in exercise-associated cramps. Despite so little being known about low calcium intake and muscle cramps, calcium is one of the nutritional factors people most associate with relieving cramps, second only to the potassium-rich banana. Muscle weakness, muscle twitching, and muscle cramps are common symptoms of magnesium deficiency.
The meal plan for an athlete trying to lose weight is similar to the meal plan for any athlete, but it contains slightly fewer calories than are necessary to maintain weight. An athlete wanting to cut weight or body fat during the season should instead strive to improve his or her eating habits, and then embark on weight-loss efforts during the off-season. If this athlete wants to reduce his body weight, he should strive to consume five to six grams of carbohydrate per kilogram of body ...
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