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Orthopaedics · Fracture complications: surgery for Volkmann contracture
Sample itemA 12-year-old has a moderate established Volkmann contracture of the forearm flexors with fixed finger flexion and intact sensation. Which operation addresses the shortened flexor muscles directly?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Slide of the flexor-pronator origin from the medial epicondyle and ulna
In the Max Page type of operation the common flexor origin is detached from the medial epicondyle and the ulna and allowed to slide distally, lengthening the flexor muscles. Tendon lengthening or transfers are used in other grades, and salvage procedures are kept for severe cases. Release of the carpal tunnel alone does not lengthen fibrotic muscle.
Option by option
A. Release of the carpal tunnel alone
Carpal tunnel release treats nerve compression, not muscle contracture.
B. Wrist arthrodesis in extension for all patients
Arthrodesis is a salvage option and does not treat the muscle shortening.
C. Slide of the flexor-pronator origin from the medial epicondyle and ulna (correct)
Correct. The flexor origin slide lengthens the contracted muscles.
D. Camitz opponensplasty
Camitz opponensplasty restores thumb opposition in low median palsy.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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