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Articles on Muscle strengthening

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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.
Eccentric exercises (such as walking downhill) cause our muscles to lengthen under the load in order to slow the body down. FS Stock/Shutterstock

Walking downhill increases risk of falls in older adults

‘Eccentric exercises’ are a normal part of everyday life – but they may carry some risks.

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