Hot, Hot, Hot! Exercise Safely in Summer
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Hot, humid conditions test the limits of even the most dedicated athletes. So it’s no surprise that summer weather is a challenge for those of us with more modest exercise goals. Here’s how to stay on track while avoiding heat-related problems.
Make a (flexible) plan
Look at the local forecast. Use safety alerts and the heat index to guide what you will do and when. The heat index, which accounts for humidity, tells you what the air temperature will feel like to your body in the shade. In the sun, it can feel up to 15 degrees hotter.
When the heat index reaches 80 degrees, use extra caution deciding what to do, where, and for how long. Keep in mind that mornings and evenings are the coolest parts of the day. Noon to 3 p.m. is the hottest.
You should also consider any factors that increase your risk for heat-related problems. Your body will have a harder time cooling off if you:
- Are 65 or older
- Have a sunburn
- Are dehydrated
- Are overweight
- Take a prescription drug
- Have poor circulation or high blood pressure
- Have heart, lung, or kidney disease
Choose activities wisely
Target cooler times for a run or power walk. For warmer days, make less taxing plans, like strolling a farmers market or riding your bike on a shaded path. Whatever you decide, allow your body time to get used to the weather. Start slowly, then build up your pace. If your heart is pounding, you can’t catch your breath, or you feel lightheaded, stop right away. Move to a cooler area and rest.
Stay hydrated
Drink water throughout your day and during exercise. Don’t wait until you’re thirsty. If you have a health condition or take medicine, talk with your healthcare provider about how to stay hydrated. You may need to watch your water intake or avoid sports drinks.
Wear the Right Gear
How you dress can help you enjoy a workout and keep cool. Put these items on before heading out:
- A water-resistant, broad spectrum sunscreen of SPF 30 or higher. Apply 30 minutes before going outside and continue to reapply according to package directions.
- Lightweight, light-colored clothing made of moisture-wicking fabric.
- UV-blocking sunglasses and a hat or visor.
If you’re biking, always wear a helmet. It can trap heat though, so you may need to lower your intensity and ride for a shorter time—or pick a different activity.
If you have any questions about specific summer activities or need advice for certain health conditions, talk with your provider. He or she will make sure you’re staying safe while staying fit.