It commonly causes pain in the upper left side of your belly, but it can spread around to your back. The pain is often worse shortly after you eat, especially if your meal was high in fat.

Whether you sit all day or a tough workout has left you stiff and sore, regularly stretching the upper ... back toward you. Hold for a few breaths. Switch arms and repeat on the opposite side.

A stabbing or throbbing pain on the lower left side of your back can sideline ... often accompanied by pain in the buttocks, or in the back of the left upper thigh. The condition can be chronic ...