Curves

With nearly 10,000 locations in more than 70 countries, Curves is the largest fitness franchise in the world and the first specifically designed for women. Curves features a 30 minute, 3-day-a-week workout that burns up to 500 calories and exercises every major muscle group, utilizing its resistance strength-training and cardio machinery. It has launched MyCurves.com, a free online community for members to connect across the globe and access various health content, recipes and other tools for fitness success.