To avoid injury before you hit the gym, personal trainer, Aaron Small, PhD offers these hamstring and calf stretches. 111.879 Aaron Small, Physical Therapist: Gym Smarts: Stretching Part One First ...

Dr. Valerie Cholet is a Professor of Kinesiology. She earned her doctorate at Penn State University and has taught in higher education for over 20 years. Her areas of specialization include Exercise ...