The following reasons may exist for the symptoms of pain below the right rib cage during exercise: 1. If there are painful symptoms in the rib cartilage below the rib cage on the front side of the body and local swelling, most of them are caused by costochondritis. The patient will experience local pain and local swelling when moving, and the pain will be significantly worse when pressing on the local rib cartilage. The majority of patients with costochondritis are young women, and a few heavy workers or people who work in a fixed posture all year round are also prone to costochondritis. 2. If the abdomen below the rib cage is painful during exercise, most of them are caused by over-exercise, which is often heard of as bouts of gas, also called gas abdominal pain. Some people often appear in the movement of the performance of gas, can be violent, affecting the activity of pain, but also can be mild, tolerable pain, rest or deep breathing after the pain can be immediately relieved.