Home Body Atlas Ligaments Lateral Elbow Capsule Detail
Ligament Upper Arm

Lateral Elbow Capsule Detail

capsula articularis cubiti lateralis detail

The lateral portion of the elbow joint capsule, thin anteriorly over the radiocapitellar joint and thickened posterolaterally where it blends with the lateral collateral ligament complex.

Region: Upper Arm
Biomechanics

Function & Actions

Provides the lateral joint boundary and contributes lateral stability to the radiocapitellar articulation.

Clinical Relevance

Clinical Notes

The lateral elbow capsule is disrupted in posterolateral rotatory instability and in radial head fractures. Arthroscopic lateral capsular release is performed for elbow stiffness following lateral trauma.

Pathology

Common Injuries & Conditions

Lateral Capsular Disruption in Elbow Dislocation

Lateral elbow capsular tear in simple elbow dislocation disrupting the lateral collateral complex producing posterolateral rotatory instability if incompletely healed.

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