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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.
Injury to Erb's point is commonly sustained at birth or from a fall onto the shoulder.The nerve roots normally involved are C5 and partly C6. Symptoms include paralysis of the biceps, brachialis, and coracobrachialis (through the musculocutaneous nerve); the brachioradialis (through the radial nerve); and the deltoid (through the axillary nerve).
Brachial plexus palsy occurs in 0.4 to 5.1 infants per 1000 live births. [6] Head trauma and brain damage during delivery can lead to a number of conditions include: caput succedaneum, cephalohematoma, subgaleal hemorrhage, subdural hemorrhage, subarachnoid hemorrhage, epidural hemorrhage, and intraventricular hemorrhage. [citation needed]
Erb's palsy, also known as brachial palsy, involving paralysis of an arm; Spinal muscular atrophy, also known as wasting palsy; Progressive supranuclear palsy, a degenerative disease; Squatter's palsy, a common name for bilateral peroneal nerve palsy that may be triggered by sustained squatting [3] [4] [5] Third nerve palsy, involving cranial ...
A brachial plexus injury (BPI), also known as brachial plexus lesion, is an injury to the brachial plexus, the network of nerves that conducts signals from the spinal cord to the shoulder, arm and hand. These nerves originate in the fifth, sixth, seventh and eighth cervical (C5–C8), and first thoracic (T1) spinal nerves, and innervate the ...
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Brachial plexus injuries [7] (2.3% to 16%) leading in some cases to: Klumpke paralysis; Erb's palsy; Hypoxia, [7] leading in some cases to: Cerebral palsy; Bone fractures [7] Death; Maternal complications: [8] Postpartum bleeding (11%) Perineal lacerations that extend into the anal sphincter; Pubic symphysis separation; Neuropathy of lateral ...
One common cause of brachial plexus avulsions is when a baby's shoulders rotate in the birth canal during delivery, which causes the brachial plexus to stretch and tear. [20] It occurs in 1 to 2 out of every 1,000 births. [21] Shoulder trauma during motor vehicle collisions is another common cause of brachial plexus avulsions. [22]