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Get fit, faster, with short-burst training - Smart Fitness- msnbc.comSince shaking up her fitness routine, Moira Jrolf is spending less time exercising yet getting better results. She used to focus just on long periods of sustained physical activity — such as an hour-long run or 1.5 hours of nonstop lap swimming — but over the last couple of years she’s been ...
Lesley Rockafellow Webster
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8 weeks ago