An automated system used for physical therapy, more particularly a motorized pulley system of exercising a user's arms and legs at variable paddle cycles and variable paddle depths. The system utilizes a unique system of strings operatively looped through a pulley system and attached to a series of elongated components which are connected to a motor and which facilitate the movement of a user's arms and legs. The system of the present invention can provide users with increased mobility and enhanced circulation. The system may be useful for individuals recovering from an injury, individuals who are overweight, or individual with diabetes. The system may also be used for exercises to provide arm and leg extension and improve arm and leg strength.