Diptirekha Satapathy, Bikash Chandra Satapathy


Brachial plexus is the mixing of ventral rami of spinal nerves in the
lower neck and upper thoracic regions. The constituent nerve roots are
C5 throughT1 where C5 means fth cervical spinal nerve and T1
means rst thoracic spinal nerve. (1) The ventral rami of C5 and C6
join to form the upper trunk. Due to excessive manipulation or
shoulder dystocia during parturition injury to the upper trunk may
result. This may lead to paralysis of nerves supplied by the upper trunk.
This characteristically is called Erb’s palsy or Erb-Duchenne palsy.
The incidence of Erb’s palsy is about 0.1% of births. (2)Most of the
cases are self-limiting with the reported spontaneous remission being


Brachial plexus constituent excessive manipulation

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