Like the reformer, the Pilates chair is another of Joseph Pilates' resistance exercise machines. The Pilates chair is basically a box with one side that can be pressed down against the resistance of springs, like a large pedal. Sometimes the pedal portion is divided into two parts that can be worked independently.
Traditionally, the Pilates chairs are made of wood, with a padded top and pedal. The original chairs that Joseph Pilates designed actually did double-duty as furniture, converting into sitting chair