The CDC recommends:
2 hours and 30 minutes (150 minutes) of moderate-intensity aerobic activity (i.e., brisk walking) every week
weight training muscle-strengthening activities on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).
Center for Disease Control and Prevention. (1999). Physical activity and health:
Women. A Report from the Surgeon General. Web. Retrieved from