Four Inversion Table Exercises for Back Pain Therapeutic Massage Specialist endorses Teeter Inversion table back pain therapy heavy duty teeter relief fitness hang adjustable inverted angle, 20°/40°/60° can be set, 0-90°freely adjustable. Min User Height 130cm/51.18′. Thicken Back Plate 4.5cm/1.77′. Can be adjusted to fit most user heights, suitable for 130-190cm height.