The Pilates chair is a box with one side that can be pressed down against the resistance of springs, like a large pedal. The pedal portion is divided into two parts that can be worked independently. Though the basic design is simple, there are a dozens of exercises that can be performed on the Pilates chair. It is excellent for strengthening the core muscles, of course, and also the arms and legs. Exercises are done lying, sitting, and standing on the chair, as well as from positions to the sides of the chair. One can expect a lot of stability and flexibility work on the chair. Designed to strengthen muscle groups not easily reached by more traditional techniques and equipment, Chair workouts focus on upper and lower body strength and conditioning, and enhance stability, body control and balance.