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
Mam, in BD the 2nd point of disability is given like “forearm is extended and supinated”
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