Strength conditioning for walkers by Wayne Westcott, PhD
The latest research on physical activity among Americans published in January by the National Cancer Institute, National Institute for Health and Centers for Disease Control and Prevention is almost beyond belief (Troiano et. al., 2008). Assessments of nearly 5,000 people by means of activity accelerometers revealed that only 3.5% of men and women between the ages of 20 and 60 obtain 30 minutes of physical activity five days a week. For those over age 60, the percentage of minimally active adults fell to 2.4%.