Also known as a Swiss ball or an exercise ball, this workout prop will help to tone your back muscles. Learn exercises and stretches for your workout routine in this fitness video. Take action: keep toes wide for stability, maintain balance, place hands on head and extend back until muscles pinch, don't hyperextend muscles, and exhale on upward motion. Tom Clifford, the instructor in this how-to video, has a degree in physical education, fitness and health from Eastern Michigan University, where he ran track and cross-country. Tom has worked as a personal trainer for two years. He also has a separate business where he coaches runners and triathletes for upcoming events. He currently works at Gold's Gym in Wilmington, North Carolina. Watch this video body sculpting tutorial and learn how to do back exercises using a stability ball.