Feeling the Heat? What the Current Heatwave Means for Your Muscles, Joints and Overall Health
- exmoorosteopathy
- Jun 24
- 3 min read
With temperatures soaring across the UK, many of us are enjoying the sunshine while also feeling the effects of the extreme heat. While we often think about sunburn, dehydration and heat exhaustion, fewer people realise that hot weather can also have a significant impact on muscles, joints and pain levels.
As osteopaths, we frequently see patients whose symptoms are influenced by environmental factors, and heatwaves are no exception.
How Extreme Heat Affects the Body
Our bodies work hard to maintain a stable internal temperature. During periods of extreme heat, more blood is directed towards the skin to help cool us down, and we lose fluids through sweating. If these fluids aren't adequately replaced, dehydration can occur surprisingly quickly.
Even mild dehydration can affect:
Muscle function
Joint lubrication
Energy levels
Concentration and coordination
Recovery from injury
Many patients report feeling more fatigued, achy or stiff during prolonged hot weather, particularly if they are not drinking enough fluids.
Why Muscles Can Become More Painful
Dehydrated muscles are more prone to:
Tightness
Fatigue
Reduced endurance
People who continue exercising, gardening, hiking or working outdoors in high temperatures may find that muscles tire more quickly than usual. This increased fatigue can alter movement patterns and place extra strain on joints and surrounding tissues.
For those already managing back pain, neck pain or sports injuries, the heat can sometimes amplify symptoms.
The Surprising Effect on Joints
Many people assume warm weather should automatically make joints feel better. While some individuals do experience reduced stiffness, others notice increased swelling and discomfort.
This can happen because heat causes blood vessels to dilate, which may contribute to fluid accumulation around certain joints. Combined with dehydration, this can leave joints feeling uncomfortable despite the warmer conditions.
Sleep Matters More Than You Think
One of the biggest challenges during a heatwave is poor sleep.
When overnight temperatures remain high, many people struggle to achieve deep, restorative sleep.
Unfortunately, lack of sleep is strongly associated with:
Increased pain sensitivity
Slower tissue recovery
Reduced energy levels
Greater muscle tension
If you've noticed your aches and pains worsening during recent hot nights, your sleep quality may be playing a larger role than you realise.
Tips for Looking After Your Body During Hot Weather
Stay Hydrated
Don't wait until you're thirsty. Regular fluid intake throughout the day is far more effective than trying to "catch up" later.
Water is always the best choice, but foods with a high water content can help too. Fruit such as watermelon, strawberries and oranges are excellent options, and yes - even the occasional ice lolly can contribute to your fluid intake and help you cool down on particularly hot days. Just be mindful that sugary treats shouldn't replace regular hydration.
A good rule of thumb is to keep a water bottle nearby and sip regularly throughout the day, especially if you're exercising, working outdoors or spending long periods in the sun.
Modify Exercise
Consider exercising early in the morning or later in the evening when temperatures are lower. Reduce intensity if you feel unusually fatigued.
Keep Moving
Although the temptation may be to stay still in the heat, gentle movement helps maintain circulation and prevents stiffness from building up.
Prioritise Recovery
Allow extra recovery time after exercise, physical work or sporting activities. Your body is working harder than usual simply to stay cool.
Focus on Sleep
Use fans, keep bedrooms cool where possible, and maintain a consistent bedtime routine to support recovery.
How Osteopathy Can Help
If the heatwave has left you feeling stiff, sore or struggling with an existing injury, osteopathic treatment may help by:
Improving joint mobility
Reducing muscle tension
Supporting recovery from overload
Identifying movement patterns that may be contributing to pain
Providing personalised advice on activity, exercise and self-management
While we can't control the temperatures outside, we can help your body adapt to the demands that hot weather places upon it.
As temperatures remain high, remember that hydration, movement and recovery are just as important as sunscreen. Looking after your musculoskeletal health during a heatwave can help you stay active, comfortable and enjoy the summer safely.
And finally... perhaps the most popular feature in the clinic this week isn't the treatment table - it's the air conditioning. Fortunately, you get both when you visit. 😉
Any questions? Click here to get in touch with our team - we’re always happy to help.
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