Tendon Injuries
A 32-year-old chef presents after cutting his right index finger with a knife while chopping vegetables. Examination reveals a laceration over the proximal phalanx volar surface. He cannot flex the DIP joint when the PIP is held extended, and PIP flexion is also weak. The cascade posture is disrupted. The surgeon discusses the zone classification and repair principles, emphasizing the importance of pulley preservation and early mobilization protocols. Regarding flexor tendon injuries and surgical repair:
Mark each as TRUE or FALSE
ZONE 2 (A1 pulley to FDS insertion) is called "NO MAN'S LAND" because both FDP and FDS tendons lie w...
A2 and A4 pulleys are CRITICAL for mechanical advantage and must be preserved to prevent bowstringin...
A 2-strand core suture is optimal for early active motion; partial lacerations less than 30% should ...
A MINIMUM 4-STRAND core suture repair is required for early active motion protocols; each strand add...
EARLY ACTIVE MOTION protocols reduce adhesion formation and improve outcomes compared to immobilizat...
Answer the questions to see explanations
Click T (True) or F (False) for each option