"Waiter’s Tip" Posture
"Waiter’s Tip" Posture
Lesions of the upper trunk of the brachial plexus (Erb-Duchenne type) produce weakness and sensory loss in the C5 and C6 distribution, typically with the arm hanging at the side, internally rotated at the shoulder with the elbow extended and the forearm pronated: the "waiter’s tip" posture, also sometimes known as the "porter’s tip" or "policeman’s tip."
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