Sit-ups may seem like a basic and simple exercise. After all, to do this classic exercise, you just have to lie on your back with your knees bent and feet flat on the floor, raise your torso ...

Set Core Plan that builds strength & definition faster than 100 sit-ups a day. Efficient, science-backed core training awaits ...

All the Latest Game Footage and Images from Sit-Ups Workout Are you ready for the 250 Sit-Ups Challenge? Body shaping is always good for our body. These workouts are perfect for men and women ...

FBI Everyone gets a minute to complete as many sit-ups as possible — a momentary pause means the test is over. At least one point must be earned in the sit-up portion of the fitness test.

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

If you’re feeling sick after an ab workout or have nausea after doing sit-ups, dehydration, over heating or GERD may be the cause. Learn how to combat nausea.