Slow, steady exercise wins fitness race

CLIFFORD FRAM
Last updated 05:00 17/05/2014
Fitness
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ON THE PULSE: High intensity workouts are not a fast track to losing weight - in fact a form of exercise that doesn't raise your heart rate as much can be more effective.

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Slow but steady wins the race when it comes to exercising for weight loss, according to a new study.

It says 45 minutes of moderate-intensity aerobic exercise burns far more body fat than the short, sharp bursts of exertion being touted by some experts.

Although high-intensity interval training improves fitness, it is not effective for weight loss, say the researchers from the Charles Perkins Institute at the University of Sydney.

They compared the two types of training on groups of overweight and unfit people.

''To slim your core and positively improve your body fat composition, the ideal is to spend 45 minutes, three times a week doing traditional endurance exercise,'' says exercise researcher Shelley Keating.

People should add three to five minutes for a warm-up and another few minutes to cool down, says Ms Keating, who is lead author of a paper on the study published in the Journal of Obesity.

''A growing number of people are substituting high-intensity interval training for regular aerobic workouts, but it is is not a fast track to fat loss if you're overweight,'' says Ms Keating.

''High-intensity burst training does deliver important benefits like increased fitness, but it doesn't have a fat furnace effect if you carry weight around the middle.

''Some trainers spruik high-intensity workouts as the most efficient training method, but this doesn't mean it translates to fat loss if you're overweight,'' says co-researcher Dr Nathan Johnson.

But this is based on studies using people who were already lean and healthy, he says.

The researchers were comparing the two types of aerobic training, but Ms Keating says it is healthy to include resistance training, such as weights or circuits, in a weekly exercise regime.

''For fat loss, do resistance training alongside aerobics training, not instead of it,'' she says.

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