Keto Tone Diet Don't forget to work the small of the back muscles: The reduced back muscles are extremely important for keeping the back vertical when we are sitting having a computer or driving, along with. It is very easy to neglect these muscles. The best exercise for this area is bathers. Lay on your stomach with your hands outstretched. Engage the lower back and raise the legs and chest out of your ground. Be sure and keep the legs even out in front of you as are generally lifting . Move your arms and legs throughout for about 30 seconds.