Page 60 - Athletic Health Handbook
P. 60
two hours before exercise to are standard components of
ensure hydration, and allow time commercial sports drinks.
for excretion of excess ingested 5. Clothing should be light-colored
fluid. Another 200–300 ml should and limited to one layer of
be consumed 30 minutes prior absorbent material to facilitate
to exercise. The recommended evaporation of sweat. Sweat-
fluid intake during exercise is saturated garments should be
200–300 ml of cold tap water replaced by dry garments if
or a flavored salted beverage every possible during competition.
20 minutes. An effective method
of monitoring fluid status is to Conclusion
weigh athletes before and after
practice. An athlete who loses With the increasing incidence of heat
more than 3 percent of body stroke, sports medicine physicians
weight during exercise is not need to be prepared to evaluate and
receiving adequate hydration. treat heat stroke victims. Effective
4. The type of fluid replacement is management requires prompt diagno-
dependent on the duration of the sis, which is aided by recognizing risk
event. Plain water is adequate for factors. Once the diagnosis is made,
events lasting less than 1 hour. rapid treatment is needed to stabilize
However, for events longer than the patient while cooling measures are
1 hour, the replacement fluid initiated to lower core body tempera-
should contain carbohydrates, ture. Prompt, effective treatment can
sodium, and potassium, which significantly lower the mortality
from heat stroke.


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