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The joint is formed by the sternal end of the clavicle, the clavicular notch of the sternum, and (the superior surface of) the costal cartilage of the first rib. [1] The articular surface of the clavicle is larger than that of the sternum, and is invested with a layer of cartilage, which is considerably thicker than that of the sternum. [1]
The suprasternal notch is a visible dip in between the neck, between the clavicles, and above the manubrium of the sternum. It is at the level of the T2 and T3 vertebrae. [2] The trachea lies just behind it, rising about 5 cm above it in adults. [3]
The suprasternal notch (jugular notch) is located in the middle at the upper broadest part of the manubrium. This notch can be felt between the two clavicles. On either side of this notch are the right and left clavicular notches. [1] The manubrium joins with the body of the sternum, the clavicles and the cartilages of the first 1.5 pairs of ...
The medial end is also known as the sternal end. It is quadrangular and articulates with the clavicular notch of the manubrium of the sternum to form the sternoclavicular joint. [5] The articular surface extends to the inferior aspect for articulation with the first costal cartilage.
The top of the manubrium has a shallow, U-shaped border called the jugular (suprasternal) notch. The clavicular notch is the shallow depression located on either side at the superior-lateral margins of the manubrium. This is the site of the sternoclavicular joint, between the sternum and clavicle. The first ribs also attach to the manubrium.
Lateral sternal line: A vertical line corresponding to the lateral margin of the sternum. Parasternal line: A vertical line equidistant from the sternal and mid-clavicular lines. Mid-clavicular line: A vertical line passing through the midpoint of the clavicle. Mammillary line
Sternum. Manubrium of sternum. Clavicular notch; Jugular notch; Sternal angle; Xiphoid process; Thoracic cage Thoracic cavity; Superior thoracic aperture (thoracic inlet) Inferior thoracic aperture; Intercostal space; Infrasternal angle; Bones of upper limb Pectoral girdle. Scapula. Acromion; Superior border Suprascapular notch; Glenoid cavity ...
It is attached superiorly to the anterosuperior aspect of the sternal end of the clavicle, and inferiorly to the anterosuperior aspect of the manubrium of the sternum as well as the first costal cartilage. [2] The ligament passes obliquely inferomedially from its superior attachment to its inferior attachment. [1]