Closed flexor pulley rupture of the thumb

Case contributed by Dr Roberto Schubert


Sudden pain and snapping sensation in the the thenar region in a recreational rock climber. Bowstringing of the FPL tendon on flexion.

Patient Data

Age: 35
Gender: Male

Inccreased distance between the flexor pollicis longus (FPL) tendon and the proximal phalanx, heamorrhage in between.

Case Discussion

Ruptures of the annular ligaments of the flexor tendon sheaths are typical injuries in rock climbers. However, the thumb is only rarely affected1. Its pulley anatomy is different from that of the long fingers2.

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Case information

rID: 14756
Published: 26th Aug 2011
Last edited: 15th Oct 2015
Inclusion in quiz mode: Included

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