Research into exercise

Closed - This job posting has been filled and work has been completed.
Fixed Price
Deliver by - December 15, 2012
20
Budget

Details

Need some research done into why 20 minutes worth of exercise a day is the perfect amount of time needed.

Also, why doing a short stint of intense exercise (5 minutes) with a 1 minute break, for 20 minutes total is optimal.

Just need the research, don't need to write anything out -- though research should be organised and easy to pin point and I only want credible, recent sources

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Skills: research