Your core does far more than just create a six-pack — its primary role is to stabilize your spine and efficiently transfer force between your upper and lower body. That means resisting unwanted motion and controlling rotation. The spine moves in multiple planes, but without control, excessive rotation or extension puts stress on discs, joints, and ligaments. Your oblique sling systems (muscles that link your shoulder to the opposite hip) are critical for pelvic and spinal stability in both...
