An infant is born in the breech position and assessment of the newborn indicates the presence of Erb palsy (ErbDuchenne paralysis). What clinical manifestation supports this conclusion?
ExplanationD. With Erb-Duchenne paralysis there is damage to spinal nerves C5 and C6, which causes paralysis of the arm.
A. The grasp reflex is intact because the fingers usually are not affected; if C8 is injured, paralysis of the hand results (Klumpke paralysis).
B. There would be a negative Moro reflex only on the affected side.
C. There is no interference with turning of the head; usually injury results from excessive lateral flexion of the head as the shoulder is born.