The anterior sternoclavicular ligament is a broad band of fibers attached to the clavicle above, and to the manubrium below. The ligament overlies the anterior (front) surface of
sternoclavicular joint
The sternoclavicular joint or sternoclavicular articulation is a synovial saddle joint between the manubrium of the sternum, and the clavicle, as well as the first rib. The joint possesses a joint capsule, and an articular disk, and is reinfo ...
.
Anatomy
Attachments
It is attached superiorly to the anterosuperior aspect of the sternal end of the
clavicle
The clavicle, or collarbone, is a slender, S-shaped long bone approximately 6 inches (15 cm) long that serves as a strut between the shoulder blade and the sternum (breastbone). There are two clavicles, one on the left and one on the r ...
, and inferiorly to the anterosuperior aspect of the
manubrium of the
sternum
The sternum or breastbone is a long flat bone located in the central part of the chest. It connects to the ribs via cartilage and forms the front of the rib cage, thus helping to protect the heart, lungs, and major blood vessels from injury. Sha ...
as well as the first costal cartilage.
The ligament passes obliquely inferomedially from its superior attachment to its inferior attachment.
Relations
This ligament is covered by the sternal portion of the
sternocleidomastoideus
The sternocleidomastoid muscle is one of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. The sternocleidomastoid is innervated by the access ...
and the integument. The joint
capsule,
disc, and two
synovial membranes are situated posterior to the ligament.
References
External links
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Ligaments of the upper limb
{{ligament-stub