A woman with recurrent abdominal pain was found to have the "slipping rib syndrome" by using the hooking maneuver. The diagnosis of this common but little known cause of abdominal and chest pain can often be made by using this simple technique. Rib resection was required for relief of this patient's symptoms.
(JAMA 237:794-795, 1977)
Heinz GJ, Zavala DC. Slipping Rib SyndromeDiagnosis Using the "Hooking Maneuver". JAMA. 1977;237(8):794-795. doi:10.1001/jama.1977.03270350054023