Proper form and technique are key to maximizing the benefits of sit-ups while avoiding strain on the back and neck. To ...

Sit-ups and crunches may look similar, but they are not the same. So, if you want to do sit-ups, follow these steps: Lie on your back on any flat surface, but you should feel comfortable.

Place your hands by your temples, with your elbows pointing out to the side. Lift your left knee, and at the same time, bend ...