If the inline PDF is not rendering correctly, you can download the PDF file here.
Catherine A. Hartman is a health educator at the Dana Farber Cancer Institute in Boston. She has an MS in health promotion from Springfield College and is a certified ACSM health and fitness instructor.
Dwight M. Hartman is a physical therapist at the Lahey Clinic in Burlington, MA. He holds an MS in physical therapy from Boston University and is a certified NSCA strength and conditioning specialist.
Margaret T. Jones is an assistant professor in the Dept. of Exercise Science and Sport Studies at Springfield College, where she serves as director of strength and conditioning for college athletes.