Curves offers a full-service workout system tailored for women. To date, more than 4 million people have signed up and succeeded with the Curves program. The Curves workout is a group-oriented, 30-minute training program that works every major muscle group and sheds roughly 500 calories. Curves also offers a weight management coaching program. Several publications, as well as supplements and nutritional guides, are available through the gym to help keep you on track.