How many movements are available at the sternoclavicular joint?

three planes
Function. The sternoclavicular joint allows movement of the clavicle in three planes, predominantly in the anteroposterior and vertical planes, although some rotation also occurs. A description of movement would be elevation and depression.

How many joints are sternoclavicular?

four joints
The sternoclavicular (SC) joint is one of the four joints that complete the shoulder. The joint is located in the spot where the clavicle (collarbone) meets the sternum (breastbone) at the base of the neck. Although not common, problems with the SC joint can arise from injury and other disorders.

How many degrees of freedom does the sternoclavicular joint has?

The sternoclavicular joint is a diarthrodial joint with three degrees of freedom that is relatively immobile and incongruent. It is the only articulation between the upper limb and trunk.

What motions does the sternoclavicular joint allow?

Protraction of the shoulders – moving the shoulder girdle anteriorly. Retraction of the shoulders – moving the shoulder girdle posteriorly. Rotation – when the arm is raised over the head by flexion the clavicle rotates passively as the scapula rotates.

Does sternoclavicular joint move?

The sternoclavicular joint has a large degree of mobility. There are several movements that require joint involvement: Elevation of the shoulders – shrugging the shoulders or abducting the arm over 90º Rotation – when the arm is raised over the head by flexion the clavicle rotates passively as the scapula rotates.

What is the purpose of sternoclavicular joint?

The sternoclavicular joint is required to accommodate the movements of the upper limb, and thus has a high degree of mobility. However, it also requires much stability, as it is the only connection between the upper limb and the axial skeleton.

What is the function of the sternoclavicular joint?

The sternoclavicular (SC) joint is a saddle-shaped, synovial joint that serves as the primary skeletal connection between the axial skeleton and the upper limb.

What kind of joint is the sternoclavicular joint?

The sternoclavicular joint is a synovial joint between the medial clavicle, manubrium and the first costal cartilage that joins the upper limb with the axial skeleton . There are two non-congruent articular surfaces forming a saddle joint 3:

Can a sternoclavicular joint be distinguished from Sapho?

This condition can be distinguished from SAPHO by the location of abnormal findings isolated to the clavicle, with a normal appearance of the sternoclavicular joint, adjacent ribs and costal cartilages. However, distinction from a primary or metastatic bone tumor may be difficult without biopsy. 1

How is axial rotation transmitted to the sternoclavicular joint?

Axial rotation describes the clavicle rolling anteriorly or posteriorly around its longitudinal axis. This passive movement happens indirectly, whereby the scapular rotation motion is transmitted to the sternoclavicular joint via the coracoclavicular ligament. The range of motion ranges from 20° to 40°, depending on the position of the clavicle.

What are the four major ligaments of the sternoclavicular system?

There are four major ligaments: Sternoclavicular ligaments (anterior and posterior) – these strengthen the joint capsule anteriorly and posteriorly. Interclavicular ligament – this spans the gap between the sternal ends of each clavicle and reinforces the joint capsule superiorly.