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Erb's palsy is a paralysis of the arm caused by injury to the upper group of the arm's main nerves, specifically the severing of the upper trunk C5–C6 nerves. These form part of the brachial plexus, comprising the ventral rami of spinal nerves C5–C8 and thoracic nerve T1.
Most commonly, improper use of forceps during delivery [18] or falling on the neck at an angle causes upper plexus lesions leading to Erb's palsy. [7] This type of injury produces a very characteristic sign called Waiter's tip deformity due to loss of the lateral rotators of the shoulder, arm flexors, and hand extensor muscles. [2] [13]
A lesion to the upper arm area, just proximal to where motor branches of forearm flexors originate, is diagnosed if the patient is unable to make a fist. More specifically, the patient's index and middle finger cannot flex at the MCP joint, while the thumb usually is unable to oppose. This is known as hand of benediction or Pope's blessing hand ...
Most restaurant servers can expect around a 15 to 20 percent tip, which is roughly the national tipping average, so imagine one New York waiter's gratuitous surprise at his 878 percent gratuity ...
A $10 bill is a joyful sight for a server. But when one waiter went to retrieve such a note out from under a diner's plate recently, he reportedly noticed something curious. The tip it provided ...
Brian Maixner, a waiter at the Doo-Dah Diner in Wichita, Kansas was the lucky recipient of that incredible tip Amazing customer pays for waiter to get flashy new pearly whites Skip to main content
Cutaneous innervation of the upper limbs is the nerve supply to areas of the skin of the upper limbs (including the arm, forearm, and hand) which are supplied by specific cutaneous nerves. Modern texts are in agreement about which areas of the skin are served by which cutaneous nerves, but there are minor variations in some of the details.
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