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Sternoclavicular articulation: Wikis


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Sternoclavicular articulation
Sternoclavicular articulation. Anterior view.
Pectoral girdles-en.svg
Sternoclavicular articulation visible near center but not labeled.
Latin articulatio sternoclavicularis
Gray's subject #81 313
MeSH Sternoclavicular+Joint

The sternoclavicular articulation is a synovial saddle joint composed of two portions separated by an articular disc. The parts entering into its formation are the sternal end of the clavicle, the upper and lateral part of the manubrium sterni (clavicular notch of the manubrium sterni), and the cartilage of the first rib, visible from the outside as the suprasternal notch. The articular surface of the clavicle is much larger than that of the sternum, and is invested with a layer of cartilage, which is considerably thicker than that on the latter bone.


The sternoclavicular joint allows movement of the clavicle, predominantly in the anteroposterior & vertical planes, although some rotation also occurs.


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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.



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