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KMID : 0369819950250020095
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Jorunal of Korean Pharmaceutical Sciences
1995 Volume.25 No. 2 p.95 ~ p.100
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Effect of Exercise on the Physiological Changes of Korean Cyclists
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Abstract
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Serum electrolyte concentration and body weight were determined before and after exercise for 2h in Korean cyclists. The serum concentration of electrolytes (Na, Ca, Zn. K. P and Cl) was increased but that of Mg was decreased as result of
exercise.
The
increase of serum K and P concentration was statistically significant after exercise. As the exercise time increased. The loss of body weight also increased due to dehydration and sweat. The loss of body weight ranged 1.0 to 2.3kg as a function
of
exercise time but cyclists showed the exhaustion and muscle fatigue 2h after exercise. As the ambient temperature increased. The loss of body weight was slightly increased. However, frequent dringking water was required because of dehydration and
thirst. Although frequent drinking water may reduce weight loss and thirst during exercise.
Sports drinking beverages simultaneously containing elecrolytes and nutrients are more useful to replenish loss of water and elecrolytes in an exhausted condition. Resulting in the improvement of physical performance.
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