in fact, university tests prove the ab rocket increases muscle activity 107% compared to traditional floor ab exercises. >> chris: and there's something else that blows away any other ab machine out there. check this out. just release the pin and twist side-to-side. so now you can blast away those love handles. >> this is so cool, because everyone knows if you really want that sexy middle, you have to target the obliques. and with the ab rocket twister, it couldn't get any easier. >> chris: with the ab rocket twister, the tighter, firmer, sexy abs you've always wanted are yours without the strain or pain, in less time than you ever thought possible. all with a new twist. >> it's really endless what you can do with the ab rocket twister. you can do twists, you can do pilates, you can do just regular crunches. you can have leg lifts. you get double the workout in half the time with the ab rocket twister-- what we call exercise efficiency. you're getting resistance on the