NUTRITION IN SPORT
prior to exercise, show similar effects. It is tempt- ing to speculate that the 15-min time period is not sufficient to give a f ...
The factors which influence gastric emptying rate to a significant degree have, however, the same relative effect among both ‘sl ...
absorption but also is influenced by the gastric emptying rate. Thus it is impossible to conclude if it is decreased gastric emp ...
15 min, a reduction in SMA flow of 43% was observed (Qamar & Read 1987). In other studies, the venous portal flow was monito ...
(r=–0.54,P<0.01; Iwao et al. 1995). In this study, however, exercise was performed on a treadmill, but measurements were made ...
terations to normal gastrointestinal tract function have frequent clinical associates. These include such uppergastrointestinal ...
moderate amounts of exercise were associated with altered lower oesophageal sphincter pres- sure, which was measured using a sma ...
nausea and vomiting after exercise, or the cause of disabling cramps during running (Olivares 1988 cited in Moses 1990). It woul ...
ture frequently implicates two factors. These are dehydration and reduced splanchnic blood flow. The former factor has been asso ...
an infrequent basis and must be in accordance with the permitted list of IOC substances. Conclusion For the active athlete, the ...
absorption by sugars in the human jejunum. Journal of Clinical Investigation 55 , 728–737. Fordtran, J.S. & Saltin, B. (1967 ...
Peters, H.P., Akkermans, L.M., Bol, E. & Mosterd, W.L. (1995) Gastrointestinal symptoms during exercise. Sports Medicine 20 ...
for glucose in humans. European Journal of Applied Physiology and Occupational Physiology 58 , 605–612. Stebbins, C.L. & Sym ...
Introduction Exercise can lead to a depletion of the body’s glycogen stores, particularly those of the liver and in the exercisi ...
Hypohydration Exercise undertaken by individuals who begin exercise in a hypohydrated state has been shown to be impaired relati ...
with a high glycaemic index—those carbohy- drates which result in a large and sustained ele- vation of the blood glucose concent ...
petition is short in weight category sports where sweating and fluid restriction have been used to achieve an artificially low b ...
tion beverages can be justified on two accounts. Firstly, sodium stimulates glucose absorption in the small intestine (Olsen &am ...
drated state, acting as a vehicle for the elimina- tion of metabolic waste products. It is clear therefore that the total fluid ...
1996). The volume of fluid contained within the meal plus water was the same as the volume of sports drink consumed, but the vol ...
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