Covering mat work and apparatus movements, Pilates, Third Edition, details more than 200 exercises, complete with step-by-step instructions, photo sequences, difficulty ratings, variations, modifications, progressions, and recommended resistance ranges. It is the definitive Pilates resource. Covering mat work and apparatus movements, Pilates, Third Edition, details more than 200 exercises, complete with step-by-step instructions, photo sequences, difficulty ratings, variations, modifications, progressions, and recommended resistance ranges. It is the definitive Pilates resource.