Flexor tendon injury

Many factors influence recovery following flexor tendon injury, and location of injury in particular. Flexor tendon injuries are traditionally described as being by in one of five zones, as follows:

Flexor Tendon Injury Zones
I Distal to superficialis Insertion
II Fibroosseous tunnel: A1 pulley to Zone I
III Carpal Tunnel to A1 pulley
IV Carpal Tunnel
V Proximal to carpal tunnel

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