Tag Archives: heat stroke

How Dangerous is it to Exercise Outdoors in a Heat Wave?

As we sit here on the brink of summer with record heat on the West Coast as well as the Southeastern U.S., I thought it useful to reblog this item I wrote during a heat wave a while back.

Parents, please keep in mind that you must not leave little children in hot cars. The Weather Channel reported that there have already been NINE deaths of young children  this year.

Tony

One Regular Guy Writing about Food, Exercise and Living Past 100

O’Hare airport recorded a 94-degree high Saturday –the 9th 90-degree day so far this month and 14th of the season

Yesterday I delineated the danger signs of exercising in hot weather, but didn’t explain exactly how heat impacted the body itself.

Also I mentioned in an earlier post that my doctor told me not to go biking when there are 90 plus degree heat advisories. My daily biking has brought my resting heart rate down below 50 and I have less than 17 percent body fat on me. I am in great shape and prior to my doctor warning me about it, I had ridden regularly in heat waves. She said that despite my conditioning it was not safe for me. She said that she also told her 40 year old patients not to go out either.

I have to confess that I was skeptical about this. I do believe…

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Are There Health Risks in Hot Yoga?

I got into yoga some years ago when I dated a woman who taught it. We went out for about two years and did yoga at least once a day. After we split up I still did yoga daily for several years.This was all before the current yoga craze. My experience of yoga was totally positive. I achieved excellent physical balance and learned through breath control to deal with stress. I can’t give you a good reason for stopping outside of mental and physical inertia.

I did not do hot yoga, nor even hear of it in that time. If you aren’t aware of it, hot yoga is done in a temperature of 105  Fahrenheit with humidity around 40 percent.

Those are hot conditions to do anything.

hot-yoga

Consumer Reports recently reported on woman who complained that it left her light-headed, fatigued and weak. “I was completely exhausted, just depleted,” Julianne Pepe said of her reactions after practicing hot yoga.

These sound suspiciously like the symptoms of heat exhaustion or heat stoke.

As a cyclist in all four seasons, I am very aware of these symptoms. Please check out my page – What to Do About Extreme Heat for more on the dangers of extreme heat.

I haven’t heard a lot of reports like this from folks doing hot yoga. I know there are good aspects of the heat, too. Studio owner, Rich Pike, told Consumer Reports, “Heat allows you to bend safely and be more flexible. What the sweating does is it eliminates toxins through your sweat.”

It is true that sweating releases toxins from the body. But, keep in mind sweat contains other chemicals including salt and potassium which are vital electrolytes. Doing an extended hot yoga session and getting dehydrated can be dangerous to your health.

As in all situations, you need to listen to what your body is telling you. If you are benefitting from the practice, you won’t be getting mixed signals like confusion, light-headedness, etc.

Tony

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Filed under electrolytes, hot yoga, potassium, sodium, yoga