Lower Abdominal Pain: Causes, and Treatment Options Max Hospital Have you ever noticed a pulsing in your belly when lying down? Its often normal, but if it feels unusually strong or comes with new pain, it could point to an abdominal aortic aneurysm, especially in Abdominal Aortic Aneuysm SFVVG What Causes Pain in Lower Left Abdomen? Why Do I Feel Movement in My Lower Abdomen: Causes and Treatment