Now
that the hot weather has arrived, the extreme heat and humidity can make it
difficult to spend any time outdoors—let alone exercise. While exercising in
the heat is generally safe for most people, taking a few extra precautions will
help you stay cool and prevent problems associated with the heat.
Danger Signs to Watch For
Normally,
your body cools off as sweat evaporates from your skin. But when heat and
humidity rise, that sweat can't evaporate as quickly. The combination of hot
weather, high body temperature and exercise can be dangerous and even deadly.
Heat
exhaustion can occur when your body gets too hot, resulting in physical
symptoms like weakness, muscle cramps, dehydration, dizziness, confusion, rapid
heart rate and headache. Staying hydrated and getting out of the heat can help
prevent and treat heat exhaustion. If left untreated, heat illness can worsen,
causing symptoms like confusion, unconsciousness, vomiting, troubling
breathing, and skin that feels hot and dry (a sign that the body isn't
sweating). These are signs of heat stroke, which is deadly and requires immediate
medical attention.
But you don't have to give up exercise just
because it's hot outside. These 13 tips will help you beat the heat.
1. Get
your doctor’s okay. If you are new to fitness or taking any medications, check
with your health care professional before exercising in the heat. Newcomers to
exercise will be more sensitive to the heat, and some medications can impair
your body’s ability to regulate temperature.
2. Wear
"wicking" fabrics. While cotton is comfortable , it doesn’t wick away
moisture very well. Choose a loose-fitting polyester/cotton blend instead, or
synthetic fibers designed especially for wicking during exercise.
3.
Protect your skin. Apply sunscreen with SPF 15 (or higher) to prevent
sunburn—even on cloudy days. Use an oil-free formula that won’t interfere with
your body’s ability to cool itself down and select a sweat-proof variety to
prevent sunscreen from irritating your eyes. Clothing with tight weaves,
sunglasses, and a lightweight hat with a brim can also help block the sun’s
harmful rays.
4.
Drink often. Hydrate your body before, during and after your workout by carrying cold water and drinking it often.
Switch to a sports drink with electrolytes or natural unsweetened coconut water
if you will be exercising for more than
an hour.
5.
Perfect your timing. Sun, humidity and pollution levels are most intense during
the day, so you're at greater risk for dehydration, sunburn and heat exhaustion
during this time. To minimize the effects of the weather, work out in the early
morning (before 10 a.m.) or late evening (after 7 p.m.).
6.
Check air quality. Before you head outside, get current reports online or on
your local radio station. Lower your exertion (intensity) level during physical
activity on days with extreme heat and high smog. This dangerous weather
warrants easy walking, relaxed cycling or light gardening instead of vigorous
exercise.
7.
Acclimate to the heat. Even the fittest people can have trouble exercising when
it's hot and humid. Start by exercising in the heat for only a few minutes each
day and gradually increase the amount of time you can tolerate outdoors.
8. Seek
shade. Parks, trails and other tree-lined areas can help you stay cooler than
direct sunlight.
9.
Monitor your heart rate. If your intensity level rises above your target range,
slow down or stop to avoid further stress.
10.
Listen to your body. If you notice any symptoms of heat illness (see
"Danger Signs to Watch For" above), stop your workout . It's not a
good idea to "push yourself" in extreme heat. If you feel bad, use
common sense and discontinue your workout.
11.
Know when to stay inside. If temperatures soar too high, take your exercise into
an air-conditioned environment, such as the gym or shopping mall.
12.
Avoid extreme temperate changes. Don’t go from blistering outdoor heat to a
shockingly cold air-conditioned building. Try to cool yourself down gradually
before exposing your body to cooler temperatures.
13.
Take a dip. Water exercise is a great alternative in hot weather. Water keeps
your body cool and reduces how difficult you perceive your workout to be. Be
sure to drink plenty of water even while swimming to ensure that you are
properly hydrated.
Hot
weather isn't the time to take risks. Even healthy people should take it easy
in extremely high temperatures and everyone should understand how to exercise
safely and effectively at the height of the season. Summer brings many fun and
exhilarating opportunities to get outside, so enjoy yourself!
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