Unlike conventional pulleys, the Thera-Band shoulder pulley features a single rope visually divided into different sections with black markings. By referring to the position of these marks during exercise, the patient Get immediate feedback on your progress . Using these marks as a reference during the rehabilitation session (and also between sessions) the patient can literally see the evolution of the session and the improvement in their range of motion.
Black markings also allow the therapist to clearly communicate the goals and limits of the session, so that patients know how far to go and where to stop without forcing them unnecessarily.