Integrate the Corefit II into your daily routine to strengthen your abdominal and back muscles and burn fat. Use it during your short breaks in the home office, while hanging out the laundry or even while relaxing on the couch. Each use not only helps to build muscle, but also helps to reduce excess fat and achieve a slimmer, defined core and a healthy, strong back. With just a few minutes of exercise a day, you can achieve noticeable results and feel more comfortable in your own body.