What Happens When… I Train in the Sun

·2-min read
Photo credit: Cavan Images
Photo credit: Cavan Images

1. Rise & Shine

Training under the sun raises your vitamin D levels, giving you more than just a mood boost. “It supports the immune system and is essential in the absorption of phosphorus and calcium,” says Andy Romero-Birkbeck, founder of We Are Wellbeing. It aids bone health, helps weight loss and is a crucial ally in fending off illness.

2. Sweat Stations

By making your body work harder to keep cool, outdoor training can boost cardio fitness in as little as five days. A study in the Journal of Applied Physiology suggests two theories why: that heat improves the body’s ability to deliver oxygen to the tissues that need it; and that it increases blood flow, causing positive adaptation to our blood vessels.

3. Brighter Minds

Get up from your desk and go outside at lunchtime. “Breathing in fresh air improves your ability to think clearly,” explains Romero-Birkbeck, “as well as helping to alleviate stress and anxiety.” Up the ante with a group or partner workout: “Exercising with others releases serotonin” – AKA the feel-good hormone.

4. Glow Up

The combination of oxygen and sunshine acts as a kind of muscle Miracle-Gro. Breathing in fresh, outdoor air increases our blood oxygen levels, accelerating muscle repair, explains Romero-Birkbeck. Meanwhile, sunshine has been linked to the production of testosterone. Plus, if your training routine feels stale, taking it outside can help you by firing up your motivation.

5. Better Habits

Making gains in the sun could also help those who struggle not to devour double helpings of their post-workout refuel. To regulate temperature, your body cuts back on digestion, reducing your appetite. “We’re likely to rehydrate more often, too, and choose foods that complement our training,” Romero-Birkbeck says.

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