|
Year |
2004 |
|---|---|
|
Question Number |
221. |
|
Category |
Shoulder and Elbow |
Question
A 20-year-old man who underwent a distal clavicle excision for persistent pain and osteolysis of the acromioclavicular joint 4 months ago continues to report pain and instability. Examination reveals increased anteroposterior translation of ~e distal clavicle. Radiographs show a 2-cm resection with a normal coracoclavicular interval. What structure injured at the time of surgery is responsible for the instability?
1- Conoid ligament
2- Trapezoid ligament
3- Inferior acromioclavicular joint capsule
4- Posterior superior acromioclavicular joint capsule
5- Deltoid
Figures
Answer (click for answer)
4
Reference: