Presented by Daniel Toriola
Nutrition, in its basic sense, refers to the intake of nourishment; specifically the fluids and fuels we need to
survive. Following illness or surgical procedures, our nutrient needs are increased in order to facilitate healing.
Click here to know more
Affordable Business Web Hosting - Only 41 cents / month Onwards. Plus $5200 Worth Of Freebies! Nobody Can
Beat Our Rates. Period.
Click here to know more
Exercise Concerns in Hot Environments
By Neal Spruce
Copyright (c) 2009 Neal Spruce
Experienced athletes generally have no trouble properly hydrating while exercising or training. Most
athletes are aware of the role hydration plays in their performance and will take all measures to insure
proper hydration before, during and after activity, including acclimating to the environment in which
they will be competing.
Heat acclimatization
It is well-known that exercising in a hot environment accelerates muscle fatigue, challenging the body
to regulate its core temperature and dissipate heat. As the core temperature rises, a change in muscle
metabolism takes place (e.g. increase in lactate and free radical production, accelerated glycogen
usage, etc.). An acute episode of hyperthermia starts off relatively mildly with symptoms like headache
and nausea. If activity continues and hydration and temperature regulation are not addressed,
symptoms can progress to cramps, heat exhaustion (with dizziness, profuse sweating and weak/rapid
pulse), and ultimately heat stroke which is very serious and can cause a loss of consciousness or even
in extreme instances death. In fact, among US high school athletes, heat illness is the third leading
cause of death. It doesn't help that many distance running races, triathlons and football games occur in
warmer times of the year. When exercising intensely for prolonged periods and/or in hot, humid
conditions, keeping a watchful eye on hydration is crucial for optimal performance and health. Steps in
preventing dehydration or heat stroke include: - Adequate f