The cybex brand is the very definition of strength training backed by exercise science the vr3 line merges superior technology with a passion for fitness a unique patent pending cybex design isolates the abs in a way other machines do not the cybex vrs prestige series ab crunch is one of the best machine to use when trying to work the ab muscles this machine has got extra large handles in front of the back pads to make sure the performer can use to hold themselves int position through the e