40 seconds cycling, three times per week: That's how much you need to ride to get fit, says BBC documentary

Volunteers in BBC documentary see upp to 14 per cent improvement in fitness over five weeks

Two minutes of riding per week isn't a lot, but apparently it's all you need to do to see sizeable gains in your fitness according to a BBC documentary.

As part of The Truth About... Getting Fit, which was aired on BBC2 on Wednesday night, an exercise bike was installed and six office workers recruited to to test if short bursts of hard exercise known as high-intensity interval training (HIIT) can really help to improve fitness.

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