ruptures

Anatomy

5 Annular pulleys

3 Cruciate pulleys

Pathology

A1 and A5 expendable

Loss of other annular pulleys can lead to bowstringing

- A2 & A4 +/- A3

Aetiology

Rock climbers

- usually when slipping

May hear or feel a pop

Develop swelling / tenderness / pain

Bowstringing