the upper half. but the perfect situp targets and tones the upper abs and the lower abs. the secret is the combination of perfect position and resistance. with the addition of the patent pending perfect situp leg blades you'll activate all your abs. the inner obliques, the outer obliques, the upper abs, and the hard to reach deep lower abs. in fact, a university study shows the perfect situp double crunch delivers a significantly more effective abdominal contraction than a regular crunch. and when you flatten the abs below the belt that sucks in the gut and helps you get into those skinny jeans. and that's what helps get fantastic results like this for kara, and chris and elliott and the perfect situp makes it all easy. your head is fully supported and there's no strain on your neck. you can even use the perfect situp in a chair. just remove the leg blades and use it seated. and when you're done with your workout the perfect situp stores away. it hangs in a closet. so don't work half your abs. get a flat, toned stomach. work all your abs with the perfect situp. so here's the deal. get the perfect situp