Programmable variable flexion with automatic counter displays the number of flexion cycles in process from 1 to 99 in visual readout. A control knob fully adjusts upper and lower depths. Color coded push switch controls load and start flexions, stop flexions in any position and reset flexions at any time in upper position. Push switches automatically extend and retract pelvic cushion for spinal traction. Flexion and traction speed is adjustable for slower and faster operation, providing more patient comfort. Also includes Auto Pause.