The Pilates Allegro® Reformer focuses on firming and strengthening your "core" muscles- the abdominals, gluteals, and lower-back so that the rest of your body learns to move with more ease. A properly developed core can also mean less fatigue and lowered incidence of back pain and injury.The Pilates Allegro® Reformer has been used by professional dancers, Hollywood celebrities and top models. Today, it is used internationally by:- Individuals at all levels of fitness looking for a new physical challenge - Top athletes to develop core strength and coordination and to prevent injury - Business professionals to relieve stress