QuestionSBA
QuestionChoice
This would not cause any of the symptoms experienced by the patient.
10026945
e
Damage to flexor carpi muscles
QuestionChoice
This would cause the patient's inability to produce a thumbs up but would not cause the wrist drop experienced
10026944
d
Damage to extensor pollicis longus
QuestionChoice
Compression of the ulnar nerve occurs at the elbow (Cubital tunnel syndrome) or wrist (ulnar tunnel syndrome). It results in pain/numbness in the forearm and 4th and 5th fingers.
10026942
b
Compression of the ulnar nerve
QuestionChoice
This history is characteristic of "Saturday night palsy" where the radial nerve is compressed against the spiral groove of the humerus. It results in patients being unable to make a thumbs up, loss of finger extension and wrist drop
10026941
a
Compression of the radial nerve
QuestionChoice
This would cause the "wrist drop" experienced by the patient but would not affect his ability to form a thumbs-up
10026943
c
Damage to extensor carpi muscles
Concept
Chapter
2693
3950
Radial nerve injuries
Topic
145
Orthopaedics
17786
A 21-year-old student returns from a night out and falls asleep on a chair with his hand hanging over the back of the seat. When he wakes up he is unable to lift his wrist or make a thumbs up.

What is the most likely cause of his symptoms?
a