Text this: Neurotisation In Extended Brachial Plexus Injury: Spinal Acessory Nerve (SAN) to Suprascapular Nerve (SSN) and Anterior Interosseous Nerve (AIN) branch to Pronator Quadratus (PQ) to Radial Branch Of Extensor Carpi Radialis Brevis (ECRB) a case report