• Exercise & strengthen muscles in the upper & lower body to build strength, increase motion and improve conditioning
• Improves strength, range of motion and flexibility in a simple to use, portable product that works in the clinic, the gym, at home or on the road
• Color-coded Progressive Resistance system allows users to recognize improvement as it happens, as you grow stronger you can move up to the next color
• Rehabilitate muscles through simple yet effective workouts to increase strength & improve motion
• Extra Heavy Blue Tubes are the fifth of eight levels of resistance and great for rehabilitation and moderate to high resistance exercise, they offer 5.8 lbs. resistance and 25% increase from preceding color at 100% elongation and 8.6 lbs. at 200%