Ashok K Singh1, William Rudge2, Tom Quick3. 1. Department of Trauma & Orthopaedics, Queen Elizabeth University Hospital, Glasgow, UK. Electronic address: ashoksingh03@yahoo.co.uk. 2. Shoulder and Elbow Unit, Royal National Orthopaedic Hospital, Stanmore, Middx, UK. 3. Peripheral Nerve Injury Unit, Royal National Orthopaedic Hospital, Stanmore, Middx, UK.