Helium.com Fitness Basics http://www.helium.com/channels/435-Fitness-Basics.xml Helium.com Fitness Basics en-us Copyright Helium.com Mon, 08 Sep 2008 12:34:32 GMT Mon, 08 Sep 2008 12:34:32 GMT Determining an exercise schedule: What is enough? http://www.helium.com/knowledge/186237-determining-an-exercise-schedule-what-is-enough Knowledge: Determining an exercise schedule: What is enough? Tue, 02 Sep 2008 21:21:04