# What is the articulations of the upper extremity. a. sternoclavicular articulation?

Gray’s Anatomy (1918) describes the articulations of the upper extremity. a. sternoclavicular articulation as follows: The articulations of the Upper Extremity may be arranged as follows: I.

## What it means

- The articulations of the Upper Extremity may be arranged as follows: I. Sternoclavicular. VI. Wrist. II. Acromioclavicular. VII. Intercarpal. III. Shoulder. VIII. Carpometacarpal. IV. Elbow. IX. Intermetacarpal. V. Radioulnar. X. Metacarpophalangeal. XI. Articulations of the Digits. Sternoclavicular Articulation (Articulatio Sternoclavicularis) The sternoclavicular articulation is a double arthrodial joint.
- The parts entering into its formation are the sternal end of the clavicle, the upper and lateral part of the manubrium sterni, and the cartilage of the first rib. The articular surface of the clavicle is much larger than that of the sternum, and is invested with a layer of cartilage, 68 which is considerably thicker than that on the latter bone. The ligaments of this joint are:

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/lit-hub/anatomy-of-the-human-body/6-articulations-of-the-upper-extremity-a-sternoclavicular-articulation/)

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