Mobilizes the lumbar/thoracic spine in the sagittal plane activating the extensors muscles. Allows people with even severe and prolonged back pain and lack of coordination and strength to start mobilization and strengthening exercises with complete safety and minimal pain. Automatic foot plate and seat adjustments (electronic version) Range of Motion adjustment to accommodate various users Unique hip fixation eliminates the activation of the strong hip extensors helping targeting lumbar and thoracic area Segmental vertebrae level movement activates critical interspinales and rotatores musclesNEW OPTION AVAILABLE!!!! AWS: When a patient displays the RFID card on the device's screen, the device not only automatically adjusts the chair but also now detects the amount of weight stack to ensure that the correct weight resistance is chosen. This way it avoids training with the wrong weight.