If you’re trying to build core strength, you need to do more than just sit-ups. While this move is great for strengthening your abs (the front torso muscles responsible for the six pack shape) they don't target the whole core area.
The core includes muscles found along the side of your abdomen, around your pelvis and even in the lower back. To target all these muscles, you’ll need to expand your movements beyond traditional abs exercises like crunches.
