Although exercises like sit-ups and crunches can activate these muscles, that only trains one type of movement. The core is also involved in moving your body from side-to-side, and when you rotate. It ...
A prime example of this fitness savvy is his nighttime ab routine, which consists of one exercise, one weight (or not), and takes less than 10 minutes to complete. If you need proof of concept ...
Although exercises like sit-ups and crunches can activate these muscles, that only trains one type of movement. The core is also involved in moving your body from side-to-side, and when you rotate.