When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While ...

Sit-ups often come to mind when you think about working your abs or strengthening your core. It’s one of the most old-school, ...

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...

The main difference between sit-ups and crunches is the range of motion involved in each exercise. Sit-ups require you to lift all the way up, while crunches require a slight lift off the ground.