
Treadmill exercise was performed and electrolyte loss estimated in apparently healthy young adult males. Subjects walked at four mph for 20 minutes at 28.9 +/- 0.2 degrees C (SEM) ambient temperature and 75.3 pc relative humidity. Gradient was incrementally increased from 0 degrees to 4 degrees (0 pc-7 pc) during the 20 minutes. Mean concentrations of sodium, potassium, and chloride in the sweat were 67 +/- 0.1 meg/litre (SEM), 4.3 +/- 0.1 meg/litre (SEM) and 55 +/- 0.9 meg/litre (SEM) respectively. The electrolyte concentration was significantly related to work load and body surface area (p < 0.001). The results indicate that the quantity of electrolytes lost in the sweat of Nigerian males during exercise is close to those of Caucasians under similar conditions.
Adult, Male, Adolescent, Body Surface Area, Sodium, Water-Electrolyte Imbalance, Black People, Nigeria, Chlorides, Evaluation Studies as Topic, Exercise Test, Potassium, Humans, Sweat
Adult, Male, Adolescent, Body Surface Area, Sodium, Water-Electrolyte Imbalance, Black People, Nigeria, Chlorides, Evaluation Studies as Topic, Exercise Test, Potassium, Humans, Sweat
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