Here, MH breaks down the benefits of sit-ups, the muscles worked, how to do them, how many reps and sets you should be aiming ...

To ramp up the challenge, some of these moves incorporate a dumbbell, which not only increases difficulty but also helps ...

7. Sit-ups support weight loss Sit-ups alone are not a high-calorie-burning exercise that will reduce belly fat, but they do contribute to muscle building."Increased muscle mass can help fire up ...