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Hand & Upper Limb
intermediate
X-Type

Elbow Instability and Treatment

Elbow Disorders

A 38-year-old man falls onto his outstretched hand with elbow in extension. He presents with a painful, swollen elbow held in flexion. Radiographs show a posterior elbow dislocation with a radial head fracture and a coronoid fracture. After closed reduction, the elbow is unstable on examination. Regarding elbow instability:

Mark each as TRUE or FALSE

A

The primary stabilizers of the elbow include the ulnohumeral articulation (primary for varus-valgus ...

B

The terrible triad consists of elbow dislocation, radial head fracture, and coronoid fracture; it re...

C

The MUCL is the primary restraint to posterolateral rotatory instability; the LUCL is the primary va...

D

Posterolateral rotatory instability (PLRI) is the most common pattern of recurrent elbow instability...

E

Management of terrible triad involves: reduction of dislocation, coronoid fixation (if fragment is s...

Answer the questions to see explanations

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