A Randomized Walking Trial in Postmenopausal Women

Abstract
THE FIRST Physical Activity and Health Report of the Surgeon General has emphasized the importance of a physically active lifestyle in the prevention of many noncommunicable diseases and their risk factors.1 Despite the well-documented importance of physical activity for general health and well-being, a large portion of US citizens lead sedentary lives. Physical activity decreases with age, and older women are typically the least active.2-5