Department| Volume 20, ISSUE 4, P360-361, October 2007

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Dynamic Pulley System for Management of Flexion Contractures Following Zone II Tendon Repair: A Case Study

      Introduction: Advanced understanding of flexor tendon anatomy, biomechanics, nutrition, and wound healing have allowed us to simultaneously return motion while protecting the repaired tendon laceration during healing. The early motion protocol described by Dr Harold Kleinert (1977) utilizing dynamic traction with protected finger flexion and resisted extension is one such method. A common complication of this treatment is small finger proximal interphalangeal (PIP) joint flexion contractures in zone II repairs. Progressive resistance during finger extension is felt to be responsible for development of flexion contractures. There is a clinical correlation between even a minimal PIP joint flexion contracture and limited independent gliding of the FDP tendon (Evans, 1997).
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