Perform a crunch from this position, curling your head, shoulders, and neck off the bench and rolling up toward your knees, with your lower back flat against the bench to prevent strain. Curl up until ...

According to a Pilates pro, the proper form for crunches doesn't involve crunching up with your hands behind your head because it can lead to neck pain.

Fifty crunches a day really is nothing in the scheme of things. Each day I spent no more than a solid minute in the crunch ...

Follow this immediately with a set of 30 controlled bicycle crunches, focusing on proper form and complete rotation.

Explore the differences between decline crunches and sit-ups. Find out what muscles each targets, and learn proper form to enhance your core training.