The currently popular exercise program, known as Pilates (named after founder, Joseph Pilates) consists of a series of low impact, flexibility and muscle toning exercises. The philosophy centers around developing core strength which includes strengthening the pelvic floor. Its use has been described in the US since the 1920s.4 Five million Americans currently participate, as opposed to five thousand ten years ago.5 Given its mainstream popularity, Pilates would be an appealing as a therapeutic modality for women experiencing pelvic muscle weakness. Currently, there are no studies that assess the efficacy of Pilates in increasing pelvic muscle strength.