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Which of the following is the most common long term consequence of untreated brachial plexus birth palsy?
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A newborn child born via a difficult breech delivery is found to have a brachial plexus birth palsy. While initially born with a flail limb, the child regained elbow flexion at 10 weeks. At age 18 months (1.5 years old), which of the following deficits is most likely to be seen on physical exam?
Fixed adduction and internal rotation at shoulder with elbow extension
Hyperextension of the MCP joints and flexion of the IP joints of the hand
Weakness in elbow flexion
Normal physical exam without deficits
An infant is born with total brachial plexus palsy and Horner’s syndrome after a difficult vaginal delivery. What is the prognosis for spontaneous recovery of motor function in the involved arm by 3 months?
Which of the following muscles would be affected if a 6-month-old child sustains a birth-related brachial plexopathy affecting C5 nerve root?
Flexor digitorum profundus
A 3-month-old is brought to clinic for evaluation of a right upper extremity abnormaility present since birth. Which of the following physical exam findings is associated with the best functional outcome?
Loss of hand function with preserved shoulder function
Absent shoulder abduction and external rotation with intact wrist and digit flexion and extension
Rotator cuff dysfunction, elevated hemidiaphragm, and absence of rhomboid function
Loss of shoulder and wrist function
Ptosis, myosis and anhydrosis