Due to damage of a nervous structure during birth, a patient's arm is adducted, internally rotated, and his hand faces posteriorly, a condition known as Erb's Duchenne palsy. What nervous structure was damaged?
A) Cervical plexus
B) Femoral nerve
C) Brachial plexus
D) Lumboscaral plexus
E) Sciatic nerve

Question

Quizplus · Accepted Answer

Erb's Duchenne palsy is caused by damage to the upper trunk of the brachial plexus, which typically involves the C5 and C6 nerve roots. This injury leads to the characteristic position of the arm being adducted, internally rotated, and the hand facing posteriorly.

Due to Damage of a Nervous Structure During Birth, a Patient's