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OrthoVellum

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Hand & Upper Limb
intermediate
X-Type

Acromioclavicular Joint Injury

Shoulder Trauma

A 28-year-old cyclist falls directly onto his left shoulder. He has pain and a visible bump over the top of the shoulder. Examination reveals tenderness over the AC joint and increased clavicle mobility with cross-body adduction. Radiographs show 150% increase in coracoclavicular distance compared to the uninjured side. Regarding acromioclavicular joint injuries:

Mark each as TRUE or FALSE

A

AC joint injuries typically result from direct trauma to the acromion with the arm adducted; the Roc...

B

Type IV involves posterior displacement of clavicle into/through trapezius; Type V shows greater tha...

C

Type I injuries require surgery; Type III injuries are best treated surgically in all patients; CC l...

D

Types I and II are treated non-operatively with sling, ice, and early rehabilitation; Type III treat...

E

Surgical options include hook plate fixation, CC ligament reconstruction (using hamstring graft or s...

Answer the questions to see explanations

Click T (True) or F (False) for each option