negative crunch is a calisthenics and pilates exercise that primarily targets the abs ...more
negative crunch is a calisthenics and pilates exercise that primarily targets the abs.
Learning proper negative crunch form is easy with the step by step negative crunch instructions, negative crunch tips, and the instructional negative crunch technique video on this page. negative crunch is a exercise for those with a intermediate level of physical fitness and exercise experience. Watch the negative crunch video, learn how to do the negative crunch, and then be sure and browse through the negative crunch workouts on our workout plans page!