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Why Your Body Feels Different During a Heatwave

Writer: Patrick  Jennings
Patrick Jennings
Jun 24
1 min read

We've had a few patients recently mention the same thing:

"I don't know if it's just me, but everything feels harder work in this heat."

And they're not imagining it.

During a heatwave, many people notice:

  • Increased fatigue

  • More muscle cramping

  • Reduced energy levels

  • Stiffness after activity

  • Slower recovery from exercise

While warmer weather can help some people feel less stiff, extreme heat places additional demands on the body.

Why Heat Affects How Your Body Feels

When temperatures rise, your body works harder to regulate itself.

You lose more fluids through sweating, your heart works harder to cool you down, and you may find yourself sleeping less effectively.

Even mild dehydration can contribute to:

  • Muscle tightness

  • Cramping

  • Headaches

  • Reduced exercise performance

  • Feeling generally more achy and fatigued

Exercise Hits Differently In A Heatwave

If you've been out walking, gardening, running, cycling, or training in the gym recently, you may have noticed that activities feel harder than usual.

That's because your body is already working harder before the exercise even begins.

The result?

  • Earlier fatigue

  • Longer recovery times

  • Increased risk of strains and niggles

This doesn't mean you need to stop being active, but it may be sensible to adjust your expectations and recovery habits while temperatures remain high.

Simple Things That Can Help

Don't Ignore Persistent Pain

It's normal to feel a little more tired or stiff during extreme weather.

However, if pain, stiffness, or recurring injuries are beginning to limit your daily activities, it may be worth getting things checked before they become a bigger issue.

At Reform Osteopaths, we help patients stay active, mobile, and comfortable throughout the year—whatever the weather is doing.

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1 Comment


Elijah Johnson
Oct 13

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