The coveted six-pack is a thing many of us work hard for. We've been doing crunches since we were in grade school gym class, but have you been doing them correctly? Several studies have shown that doing ab work, or crunches, can actually create back injuries, such as herniations. This means, that if you do a bunch of ab exercises you are actually more inclined to throw out your back or slip a disc. 😳Understanding the mechanics of doing a proper crunch and also knowing how to balance your ab work with other exercises to stabilize your core and protect you back, is crucial! Additionally, knowing how to exercise your abs properly can make the difference between a flat six-pack and a pooched out belly. To get in the know, check out Craig Zuckerman's tips for the perfect ab workout.