Pronation Supination Shoulder Stretcher/Swing Shoulder stretching/swinging tool Strengthens the range of motion in fingers, hands, wrists, and elbows. Helps in treating tennis elbow and golfer's elbow. Product size: Height 70 cm / Depth 45 cm / Width 66 cm Carton size: Length 98.5 cm / Width 31.5 cm / Height 30.5 cm Gross weight: 13.7 kg Total weight: 16.6 kg Shoulder stretching/swinging tool Strengthens the range of motion in the shoulder joint and muscles. Helps in treating frozen shoulder syndrome. Improves blood circulation, muscle strength, and joint range of motion. Resistance control handle To adjust the resistance of the unit. Resistance handle To adjust the height of the unit. Quick release handle To adjust the height of the unit. Quick release button Press the button to easily switch between the bending position and shoulder lying/stretching/swinging. LCD Computer Screens Number of steps, steps per minute, time spent exercising, calories burned, and clear all functions.