Testing for Median Nerve Entrapments - Stuart Hinds      Anterior interosseous nerve syndrome (AINS) is one of 3 common median nerve entrapment syndromes; the other two being pronator teres and carpal tunnel syndromes Lesions of the anterior interosseous nerve in the forearm are rare and often misdiagnosed as tendon injuries. Wrist pain is the most common feature of AIN lesions regardless of the aetiology; this has been reported in 85% of patients.  Nerve lesions may be due to trauma, microtraumatic injuries, or “neuritis”.  The Anterior Interosseous Nerve (AIN) is an exclusively motor branch of the median nerve. A complete...