[Chronic groin pain in marathon race: bone apposition at insertion of the m. rectus abdominis at ramus superior ossis pubis -- case report].

In this case report we present a 56 years old long standing (20 years) Marathon runner, suffering from chronic groin pain for 1(1/2) year. The great variety of diagnosis, which are subsumed under longstanding groin pain, explain the long time to evaluated the exact diagnosis and to institute a selective therapy. A multidisciplinary investigation was necessary to reveal a bone apposition at insertion of the musculus rectus abdominis in result of a chronic pelvic instability after beginning osteoarthitis and reduced range of rotational motion of the hip. One year after resection the bone apposition the athlete was free of pain, completely resistance in running and whole re-integrated in racing competitions.