http://health.propeller.com/story/2008/04/20/bodyweight-exercises-length-counts-no-not-that Experts tell us we should exercise 30 minutes a day, for either 3 or 4 or 5 days a week. Some experts say the 30 minutes should be all in one workout routine. Other ones say it can be broken up (1 20-minute period, 1 10 minute period). You know what exercises fit this best? Bodyweight exercises and gardening! http://media-images.nscpcdn.com/media/ns-logo-rss.gif http://www.propeller.com en-us Copyright 2006-2007 Propeller Propeller.com