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    Heat cramps are muscle spasms that occur due to strenuous activity or a hot environment. Follow the links below to find WebMD's comprehensive coverage about how heat cramps are caused, symptoms of heat cramps, treatments, prevention, and much more.

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    Thumbnail: Take Cover When Heat Is High

    Learn how to not let heat exhaustion, heat cramps, and heat stroke happen to you.

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    Heart Rate Calculator

    Ensure you're exercising hard enough to get a good workout, but not strain your heart.

    While you are exercising, you should count between...

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    Beats
    PER
    Seconds

    Heart Rate Calculator

    Ensure you're exercising hard enough to get a good workout, but not strain your heart.

    While you are exercising, you should count between...

    -
    Beats
    PER
    Seconds