A sports hernia and an inguinal hernia are similar problems that both occur in the lower abdomen/groin. The problem is due to a weakening of the abdominal wall muscles. When areas of the abdominal wall become weakened, the abdominal organs can press into these weak areas, and even form pouches through the weakened abdominal wall. In patients with a sports hernia, these outpouchings do not form, but the symptoms exist. In a more common inguinal hernia, the weakening can cause the pouch to form in the weakened area of the abdominal wall.