Erb’s paralysis Site of injury One region on upper trunk of Brachial plexus where 6 nerves meet (Erb’s point) Causes Undue separation of head from the shoulder due to – Birth injury Fall on the shoulder During anaesthesia Nerve Roots C5-C6 Muscles involved Biceps brachii, Deltoid, Brachialis, Brachioradialis, Supraspinatus, Infraspinatus & Supinator (SBI Bank South Delhi Branch) Deformity Porter’s tip/ Policeman’s tip/ Waiter’s tip hand Disability Abduction & Lateral rotation of the arm and shoulder joint Extension and supination of the forearm Biceps and supinator jerks are lost Loss of sensation over the lower part of Deltoid region– Jainam Shah OTHER TOPICS-Klumpke’s ParalysisBrachial plexusCranial nerves