Abdominal Aorta: Understanding the Pulsing Sensation in Your Stomach MS and Vibrating Sensations: What Do They Mean? MyMSTeam Lower Abdominal Pain: Causes, Symptoms & Emergency Signs What is the sign of left lower abdomen pain between pelvic and rib in men? Have you ever noticed a pulsing in your belly when lying down? It's often normal, but if it feels unusually strong or comes with new pain, it could point to an abdominal