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Physical Activity Pyramid

A sedentary lifestyle over an extended period of time is thought to contribute to all kinds of health problems including weight gain and obesity, loss of muscle and bone, and a sundry of serious chronic diseases.

source: http://www.humankinetics.com/excerpts/excerpts/the-physical-activity-pyramid

source: http://www.humankinetics.com/excerpts/excerpts/the-physical-activity-pyramid

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