Noor

almost 7 years ago

Injery to brachial pleuxus of newborn during birth,the baby will have a waiter sign

Himanshu Choudhary

almost 7 years ago

Paralysis of arm due to injury to cervical nerve of brachial plexus.

Damage to the upper trunk of brachial plexus where the six nerves meet C5,C6 roots , Suprascapular nerve ,Nerve to subclavius follwimg the ant & post division of upper trunk...And waiter sign is due to Damage to the nerve that supplies the muscle leading to Arm hanging to the side adducted medially rotated & Forearm extended & pronated leading to waiter s tip or policeman tip deformity

Asaad Ahmad

almost 7 years ago

Upper trunk injury of brachial plexus, leading to positioning of arm in such a way as if he/she is asking a tip,Hence waiters sign.