Sternoclavicular joint
Sternoclavicular joint , articulatio sternoclavicularis
Joint type
Compound joint - inserted discus articularis
Structure: Interfaces
Head – facies articularis sternalis of the clavicles .
Jamka – incision of the clavicle on the handle of the sternum .
Joint capsule
Stiff, short, reinforced by ligaments.
Strengthening ligaments
- ligamentum sternoclaviculare anterius et posterius – attached closely to the capsule in front and behind;
- ligamentum interclaviculare – connects both clavicles;
- ligamentum costoclaviculare – connects the clavicle to the 1st rib.
Movements
In all directions on a small scale.
Blood vessels and nerves
- Vascular supply
- internal thoracic artery (or a. thoracica sup.)
- Nerves
- nn. medial supraclavicularis, n. subclavius
