Summer Is Here! Keep Working Out, But Stay Safe in Hot Weather


Jun 23 2013 - 12:45pm
summer exercise, summer fitness, hot weather tips

Outdoor workouts like walking, running, biking or swimming have been shown to lower the risk of poor mental health while boosting good physical health. A Scottish study found that outdoor fitness training helped patients lower the incidence of such conditions as mild depression, insomnia, stress, and lack of coping. A separate study, conducted in the US found that hiking in nature can improve creativity and cognitive function.

Unfortunately, federal health officials have warned that this summer may be hotter than last which could increase risks of heat-related illnesses, such as heatstroke.

Exercise physiologist Franci Cohen says, “The excitement and happiness that comes along with beautiful weather can often drive us to push hard real fast. In an uncontrolled environment with high heat and humidity, this can be a deadly combination.”

Exercising in hot weather puts extra stress on your body. Under normal conditions, your skin, blood vessels and perspiration adjust to the heat. But these natural cooling systems may fail if you are exposed to high temperatures and humidity for too long or if you do not drink enough fluids. The result could be a heat-related illness

Heat cramps. Heat cramps are painful muscle contractions, mainly affecting the calves, quadriceps and abdominals. Affected muscles may feel firm to the touch. Your body temperature may be normal.
Heat exhaustion. With heat exhaustion, your body temperature rises as high as 104 F (40 C) and you may experience nausea, vomiting, headache, fainting, weakness and cold, clammy skin. If left untreated, this can lead to heatstroke.
Heatstroke. Heatstroke is a life-threatening emergency condition that occurs when your body temperature is greater than 104 F (40 C). Your skin may be hot, but your body may stop sweating to help cool itself. You may develop confusion and irritability. You need immediate medical attention to prevent brain damage, organ failure or even death.

Health experts offer the following tips for taking your workout outdoors:

Acclimate to the Hotter Weather
If you have been used to working out in the gym throughout the colder months of winter and early spring, take some time to adjust to exercising in the hotter conditions. The average person can take one to two weeks to acclimate to the warmer, more humid outdoor summer weather. Begin with lighter workouts in the early morning or late evening and gradually increase from there.

Dress Accordingly
Wear light-colored, lightweight clothing made from moisture-wicking fabric (such as Nike’s Dri-FIT). This keeps moisture away from the skin and dries quickly. Cotton t-shirts and shorts should be avoided because they have a tendency to get sweaty and stay wet. This can make you feel hotter.

Wear Sunscreen
Apply sunscreen 30 minutes before you go outside to exercise. This not only reduces your risk of sunburn, but can also help your body’s ability to cool itself. Choose a sunscreen that is water-resistant, particularly if you tend to sweat more heavily. The Food and Drug Administration (FDA) also recommends limiting sun exposure between 10 am and 2 pm, when the sun’s rays are the strongest.

Drink Plenty of Fluids
Dehydration is a risk factor for heat-related illness. Even if you don’t feel thirsty, drink plenty of water or sports drink during a workout to stay hydrated. Experts recommend six to eight ounces every 15 to 20 minutes. Remember also to drink before and after as well!

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