Tendon Injuries
A 28-year-old carpenter presents with a laceration to the palmar aspect of his right index finger at the level of the proximal phalanx. He is unable to flex the DIP joint against resistance and has weak PIP flexion. Examination shows he cannot flex the DIP joint independently and the finger rests in a more extended posture compared to the adjacent fingers. Regarding flexor tendon injuries:
Mark each as TRUE or FALSE
Flexor tendon zones are defined by anatomical landmarks; Zone I is distal to FDS insertion (FDP only...
FDP flexes the DIP joint and is tested by stabilizing the PIP in extension while asking the patient ...
Zone II injuries are the easiest to repair with the best outcomes; the A2 and A4 pulleys can be free...
Modern principles of flexor tendon repair include primary repair within 2 weeks of injury, atraumati...
Complications include adhesion formation (most common, may require tenolysis), rupture (highest risk...
Answer the questions to see explanations
Click T (True) or F (False) for each option