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Articles sur Exercise

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Climbing in the playground is just one of many activities kids can do to improve muscle fitness. Fran Polito/Moment via Getty Images

Kids’ grip strength is improving, but other measures of muscle fitness are getting worse

Overall muscle fitness among children and teens hasn’t declined over the past several decades, but by some measures it’s not improving, either.
The Badwater Ultra-marathon bills itself as the world’s toughest, covering 217 km from Death Valley National Park to Mount Whitney, California REUTERS/Lucy NicholsonREUTERS/Lucy Nicholson

Ultramarathon running: how safe is the sport?

The deadly toll of last month’s mountain race in Gansu province, China, has shaken competitors and fans alike. But is the sport dangerous?
Becoming ‘unfit’ happens a lot faster than it takes us to get ‘fit’. New Africa/ Shutterstock

How quickly do we become unfit?

We lose some fitness ‘gains’ in as little as four weeks.
World Day for Physical Activity is April 6. Since the COVID-19 pandemic began, many peoples’ physical exercise routines have been disrupted. (Shutterstock)

A year into the pandemic, COVID-19 exercise slump has hit women harder

Research shows that the gaps in physical exercise have widened substantially between men and women, whites and non-whites, rich and poor and educated and less educated: especially during the pandemic.

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