This free standing inversion table smoothly swivels through a wide variety of angles with your body fully supported. This is the best option for users looking for comfort and affordabilty. The balance is so precise, simple arm movements control the rotation. A tether strap allows you to stop the rotation at any angle. Additionally, the adjustable roller hinges allow you to select the aggressiveness of rotation. The table can lock at 90 degrees for full inversion. While in this position, you can do inverted sit-ups and squats.