Your lower back should also remain on the floor. Then, lower yourself back to the starting position to complete one full sit up and continue until you need to stop and rest. New York-based ...

How Many Sit-Ups You Should Do in a Day 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 for, the best sit-up ...

Years ago we did a lot of exercises where we crunched and came all the way up and did a full sit up. And the problem with that exercise is that you're using a lot of other muscles. You're using ...