蜜芽传媒

Extreme workout DVDs. Squats and lunges with weights. High impact training. They're all popular - but are these exercises risking more harm than good? We've had a warning that training like this is becoming a serious health risk for young people. Asian Network's been told - by an expert surgeon - that people under thirty are picking up injuries you'd expect to see in people older than fifty. Some are going under the knife for complex operations. Adam Pasternicki has more.

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