AB EXERCISE - How to do an abdominal crunch (ab crunch)

Often confused with sit ups, ab crunches challenge the performer to lift their upper back and shoulders off the floor, strengthening the rectus abdominis. Unlike sit ups where the entire torso is raised, the lower back stays glued to the floor with ab crunches. While this means it uses less muscles than the sit up, it’s still a valid exercise and can be helpful for beginners with little core strength who struggle to protect the lower back in a sit up. How To Do Ab Crunches: 1) Lie on your back on the floor with your knees bent so that your feet can remain flat on the floor. 2) Cross your arms over your chest so that each hand is touching the opposing shoulder. Alternatively, rest your hands on your thighs. 3) Begin the reps by flexing your spine to lift your shoulders and upper back off the floor. Think about squeezing your abs and curling your sternum towards your belly button. Your lower back should remain in contact with the floor throughout. 4) Take a short pause at the top of the