The reformer is a piece of resistance exercise equipment designed by Joseph Pilates
. It consists of a platform that moves back and forth along a carriage. Resistance is provided by the exerciser's body weight and by springs attached to the carriage and platform.
Read more and see detailed photos in Anatomy of a Reformer.
Also Known As: Pilates machine
Common Misspellings: raformer, performer
Many Pilates exercises are done on the piece of equipment known as the reformer.