Dr. Richard A. Beauchamp, a medical
consultant for the Bureau of Epidemiology at the Texas Department
of Health exclaimed, "High temperatures are physically tolerated by
most people for short periods of time," but some form of heat—related
illness may occur when people are exposed to high temperatures and
humidity that produce a heat index of 95 degrees F or higher for 30
minutes or longer. At temperatures above 90° F., a motorcycle rider
traveling at 60 miles per hour can lose three quarts of water every
hour. If these fluids and salts, lost through perspiration, are not
rapidly and continuously replaced then dehydration and electrolyte
imbalances can occur. Dehydration further impairs the body's ability
to maintain the proper core temperature which could lead to heat stress,
heat exhaustion, heat stroke and even death.
To prevent dehydration and hyperthermia,
a motorcyclist should stop every thirty minutes to consume at least
a quart of water plus prepare another quart to consume while riding
between breaks. Water, milk, fruit juices, as well as many of the
commercially available "sport" drinks are excellent fluid replenishes,
but do not drink anything containing alcohol or caffeine as they will
actually dehydrate your body. You can also reduce dehydration by wearing
light colored, loose fitting clothes and drenching these clothes with
cool water at each thirty-minute break. This artificial perspiration
can make the body feel 20 degrees cooler and reduce the loss of body
fluids. At 60 miles per hour on a 90° F day a soaked shirt and jeans
will be bone dry within twenty minutes. If you own a Kool Tie or similar
product, it will keep your neck and shoulders cooler and prevent sunburn
on this otherwise exposed skin. If you do not own a Kool Tie, a light
colored neckerchief or bandanna soaked in ice water can serve the
same purpose.
If you experience nausea, dizziness,
headache, fatigue, rapid pulse, shortness of breath, disorientation,
cold and clammy skin or hot and dry skin, you should take immediate
steps to rapidly cool down the body. The best and fastest method is
to get into a tub of cool water and add ice as fast as you can stand
it until you core temperature has returned to normal. If a tub is
not available, a cool stream or lake will help and if that is not
available simply soak your clothes with ice water from your cooler.
