Many guys want to have a perfect abs, a 6-pack abs. So every now and then they try to do crunch. But did you know that with all your crunch your predisposing yourself to a much bigger problem, the back problem, and crunch will not give you the result that you want because you are just focusing the work on just one group of muscle. You need to build the group of muscle also to have a sick pack abs, you need to improve the glutes, the quads and the back muscles. and crunch will just give you pain in the gut. So here I found some article that helps you to have a 6-pack abs without crunching.