Anatom3DArticular disc of sternoclavicular joint
Discus articularis articulationis sternoclavicularis · Kloubní disk hrudně-klíčkového kloubu
Joints & cartilage
Looks like
A flat disc of fibrocartilage splitting the sternoclavicular joint in two, attached to the collarbone above and the first rib cartilage below.
What it does
Absorbs force passing from the arm to the trunk and stops the collarbone riding up.
Keeping it well
Can tear or degenerate, causing clicking pain at the base of the neck.
Related conditions
- Frozen shoulder (adhesive capsulitis)
- Gout
- Haemophilia & bleeding disorders
- Lyme disease
- Marfan syndrome & connective tissue disorders
- Osteoarthritis
- Polymyalgia rheumatica
- Psoriatic arthritis
- Rheumatic fever & rheumatic heart disease
- Rheumatoid arthritis
- Shoulder dislocation
- Systemic lupus erythematosus
- Temporomandibular joint disorder