Feature●Exercise & strengthen muscles in the upper & lower body to build strength, increase motion and improve conditioning●Large soft grip handles are easy to slip over feet & ankles to deliver an effective lower body workout ideal for conditioning & rehabbing muscles●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%[Blue - Extra Heavy]
![](https://m.media-amazon.com/images/I/31ORvPsIjpS.jpg)
[Silver - Super Heavy]
![](https://m.media-amazon.com/images/I/410c+UvYFwL.jpg)
[Yellow - Thin]
![](https://m.media-amazon.com/images/I/31ZUI6AdlEL.jpg)
[Red - Medium]
Description