Metabolic Factors Limiting Performance in Marathon Runners
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چکیده
منابع مشابه
Metabolic Factors Limiting Performance in Marathon Runners
Each year in the past three decades has seen hundreds of thousands of runners register to run a major marathon. Of those who attempt to race over the marathon distance of 26 miles and 385 yards (42.195 kilometers), more than two-fifths experience severe and performance-limiting depletion of physiologic carbohydrate reserves (a phenomenon known as 'hitting the wall'), and thousands drop out befo...
متن کاملGastrointestinal disturbances in marathon runners
To determine the prevalence of various gastrointestinal disturbances related to long-distance rnning and its effect on weight, diet and everyday digestive problems, we gave a questionnaire to 279 leisure-time marathon runners, comprising 10% of the participants in a local marathon race. Their answers disclosed a prevalence of dietary changes, weight reduction and altered bowel habits (mainly lo...
متن کاملGastric emptying in marathon runners.
Radionuclide gastric emptying studies using 99m-Tc human serum albumin egg omelette have been carried out in 10 long distance runners at rest and during a 90 minute run at sustained speed. Resting values are compared with controls comprising 10 sedentary subjects. Runners show a significantly accelerated basal gastric emptying (runners t 1/2 = 67.7 (5.9) min; sedentaries t 1/2 = 85.3 (4.5) min,...
متن کاملGastrointestinal disturbances in marathon runners.
The purpose of this survey was to investigate the prevalence of running-induced gastrointestinal (GI) disturbances in marathon runners. A questionnaire was completed by 471 of the estimated 1,750 competitors in the 1986 Belfast City Marathon. Eighty-three per cent of respondents indicated that they occasionally or frequently suffered one or more GI disturbances during or immediately after runni...
متن کاملMalignant melanoma in marathon runners.
BACKGROUND Marathon running has surged in popularity; it is generally believed to be healthy, but may be associated with medical risks. Over the past decade, we observed 8 ultramarathon runners with malignant melanoma. UV exposure, immunosuppression due to long-term intensive exercise, or both have been discussed as potential triggers in these patients. To further evaluate risk factors for mali...
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ژورنال
عنوان ژورنال: PLoS Computational Biology
سال: 2010
ISSN: 1553-7358
DOI: 10.1371/journal.pcbi.1000960