Home Body Atlas Ligaments Radiocapitellar Ligament
Ligament Upper Arm

Radiocapitellar Ligament

ligamentum radiocapitellare

The radiocapitellar ligament is a reinforcement of the anterior elbow capsule at the radiocapitellar joint, connecting the radial neck region to the anterior capitellum and reinforcing the lateral anterior capsule.

Region: Upper Arm
Biomechanics

Function & Actions

Provides anterior lateral elbow stability, reinforces the anterior capsule at the radiocapitellar articulation, and contributes to congruity maintenance of the radiocapitellar joint.

Clinical Relevance

Clinical Notes

Radiocapitellar ligament injury accompanies radial head fractures and elbow dislocations. Its disruption contributes to radiocapitellar instability that may require radial head arthroplasty for stability restoration after radial head excision in complex elbow fracture-dislocations.

Pathology

Common Injuries & Conditions

Radiocapitellar Ligament Injury in Elbow Dislocation

Anterior capsular and radiocapitellar ligament disruption in elbow dislocation contributing to instability requiring ligament repair or reconstruction during fixation of associated fractures.

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