articular disc of sternoclavicular joint (sternoclavicular disc)

Introduction

The fibrocartilagenous disc that subdivides the sternoclavicular joint into two cavities.

• attaches superiorly to the clavicle & inferiorly to the 1st costal cartilage

The disc resists superior & medial displacement of the clavicle.

More general terms

• articular disc, (fibroplate, interarticular fibrocartilage)

Component of

• sternoclavicular joint