The DST8000 Dynamic Stair Trainer is an innovative device designed for people in various stages of rehabilitation who exercise to regain their ability to use steps and slopes. The DST8000 enables the gradual practice of stair-climbing skills for people undergoing physical rehabilitation. The apparatus features four steps whose height can be adjusted electronically from 0- 6.5" between steps. In a click of a button PT can set the height of the stairs to a patient's current ability and slowly raise the height to challenge them gradually. In its horizontal position is serves as 5ft parallel bars. For 15 years, this remarkable Dynamic Stair Trainer [DST] has helped millions of patients throughout the world to return to their daily life. The DST is the only staircase trainer that helps patients train stair climbing. The ability to adjust the height of the stairs to the patient's current ability and gradually increase the height between the stairs as the patient progress is the key factor in the enormous success of this product. The Dynamic Stair Trainer 8000 can accommodate patients who weigh up to 300Kg (660 lbs).