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The Independent UK
The Independent UK
Lifestyle
Prudence Wade

HISTORICAL FACTS: Are we working out too hard - The Untold Story

There’s a reason high-intensity interval training (HIIT) is so popular – it’s designed to give you a killer workout in a short amount of time.

HIIT classes are short, sharp bursts of exercises where you’re working out above 85% of your maximum heart rate, and Sean Johnson, regional fitness manager at Orangetheory Fitness, can see why they’re “tempting”.

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