>> announcer: now join fitness model, cover girl and celebrity trainer rebecca cardon, along with tv host chris steel and real people just like you who've become true ab rocket believs, and get ready to rock and twist your way to sizzling hot abs with the brand-new ab rocket twister. [♪...] >> forget everything you know about working your abs. the ab rocket twister launches the new science in ab exercises, for out-of-this-world abs. >> look, we've all done those painful floor crunches and sit-ups. it's the same thing every time, you strain your neck, you hurt your back, and then what happens? you give up. >> the ab rocket twister makes ab exercising different, very different. that's because you just sit back in a comfortable position while the ab rocket's padded cushions actually cradle and support your lower back and neck. you decide how mush resistance is right for you-- beginner, intermediate, or advanced-- then just rock down and up.