Tendon Injuries
A 28-year-old man sustains a laceration to his right index finger while washing dishes (broken glass). Examination shows a clean wound over the proximal phalanx with inability to flex the DIP joint and weak PIP flexion. There is no active DIP flexion when the other fingers are held in extension. The tendon ends are visible in the wound. Regarding flexor tendon injuries:
Mark each as TRUE or FALSE
Flexor tendon zones (Verdan): Zone I (FDP insertion to FDS insertion), Zone II ("no man's land" - FD...
Clinical assessment: isolated FDP injury causes loss of DIP flexion (tested with PIP held extended);...
Zone I injuries have the worst prognosis; the flexor pulleys are unimportant and can all be divided ...
Repair principles: primary repair within 2 weeks is optimal; the A2 and A4 pulleys are critical (mus...
Post-operative rehabilitation has evolved from immobilization to early controlled motion protocols (...
Answer the questions to see explanations
Click T (True) or F (False) for each option