... upper, middle, and lower abs and obliques - your entire core-all in one simple, fun, fat-burning motion! Get a firmer ... , flatter stomach without sit-ups and crunchesAbdominal and cardio all-in-one exerciserHelps perform lateral side flexion,Easily converted to ... Rights: 201020184643.3International patent application number PCT/CN2010/077623 AB trainer (AB100)-20121204A