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Articles sur Exercise

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For many people, park and playground closures during COVID-19 meant having even fewer exercise options. THE CANADIAN PRESS/Colin Perkel 

Lack of exercise linked to increased risk of severe COVID-19

Socio-economic factors are major barriers to physical activity. New research suggests this is one more reason why disadvantaged people were at increased risk for COVID-19.
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.

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