How much exercise do we need a week?

American College of Sports Medicine (ACSM) and the American Heart Association (AHA) guidelines focus on 30 minutes of moderate-intensity daily physical activity five days a week. The Department of Health and Human Services (HHS) guidelines call for a minimum of 150 minutes of moderate physical activity a week, an amount most reasonable on five days a week at a duration of 30 minutes.

Both sets of recommendations conclude that relatively modest amounts of physical activity will improve health and cardiorespiratory fitness of inactive persons, while expanded health gains, such as weight loss or weight maintenance, may require more than a minimum 30 minutes of moderate activity most days of the week. In general, there are more agreements than differences when it comes to physical activity recommendations.  Differences on “minutes-per-day” or “days per week” recommendations appear because they are intended for different groups, and may be age-specific or relevant to overweight or obese individuals.

American College of Sports Medicine, About ACSM Media Room.  Retrieved from http://www.acsm.org/about-acsm/media-room/acsm-in-the-news/2011/08/01/acsm-aha-support-federal-physical-activity-guidelines

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