Help users rehabilitate injuries improve functional living enhance athletic performance and makes measuring progress and achieving goals for fitness or therapy easy. The resistance bands are easy-to-use convenient portable and are an effective alternative to free weights and weight machines. They can be used in the clinic at home or on-the-go. They are available in 8 color-coded levels of progressive resistance giving at-a-glance documentation of progress from one level to the next and allows the user to progress as they get stronger.