QuestionSBA
QuestionChoice
This is a deformity of the hand due to thickening and fibrosis of the palmar aponeurosis and eventual contracture of the 4th and 5th digits. It is not associated with brachial plexus injury but is more commonly associated with alcoholism.
10035939
c
Duputyren's contracture
QuestionChoice
This is characterised by the extension of the second and third fingers and the abduction of the first finger, typically resulting from a median nerve injury affecting finger flexion. Shoulder dystocia is most commonly associated with Erb's palsy.
10035940
d
Hand of benediction
QuestionChoice
This is correct. The most common kind of brachial plexus injury in shoulder dystocia is Erb's Palsy, an upper brachial plexus injury affecting C5/6. Erb's palsy presents with a flexed and adducted wrist and, extended and internally rotated arm, due to loss of the lateral rotators of the shoulder, arm flexors, and hand extensor muscles.
10035937
a
Waiter's tip appearance
QuestionChoice
In partial ulnar claw, only certain fingers exhibit the characteristic claw-like deformity, typically the fourth and fifth fingers. This occurs due to weakness or paralysis of the intrinsic hand muscles supplied by the ulnar nerve, leading to the inability to extend these fingers fully.
10035938
b
Partial claw hand
QuestionChoice
Wrist drop is a condition characterised by the inability to extend the wrist and fingers due to radial nerve palsy, resulting in a partially flexed wrist and difficulty with hand movements. Shoulder dystocia is most commonly associated with Erb's palsy.
10035941
e
Wrist drop
Concept
Chapter
2693
6169
Shoulder dystocia
Topic
333
Obstetrics and Gynaecology
19591
Erb's Palsy, a common complication of shoulder dystocia, results in a characteristic 'waiter's tip' arm position due to upper brachial plexus injury.
A 30-year-old primigravida woman goes into labour in the delivery suite. The delivery is difficult and the labour is prolonged. The head is delivered but, shortly thereafter, the anterior shoulder is stuck.

Which of the following is the baby at risk of developing?
a