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PubMed · 15882595

Zone I flexor tendon injuries.

Brian A Murphy·Daniel P Mass
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Abstract

Zone I flexor tendon injuries entail injuries to the flexor digitorum profundus (FDP) tendon. These injuries occur distal to the superficialis insertion over the middle phalanx or proximal distal phalanx, and as such are isolated injuries to the FDP. The mechanism most commonly is closed avulsion from the distal phalanx or a laceration, but other mechanisms such as open avulsion or crush injury can occur. On physical examination, the cascade of the fingers will be disrupted, and distal interphalangeal (DIP) joint flexion must be isolated to determine if the FDP tendon is continuous, as other mechanisms are present to enable finger flexion at the other joints.

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Brian A Murphy, Daniel P Mass. 2005. Zone I flexor tendon injuries.. https://doi.org/10.1016/j.hcl.2004.12.004

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