Costoclavicular Ligament

Description

The costoclavicular ligament is labeled

Ligaments of the sternoclavicular joint

Anatomy of the sternoclavicular joints, viewed from the anterior aspect with the left joint intact and the right joint in coronal section

Name

• Costoclavicular ligament
• Rhomboid ligament
• Halsted's ligament
• Ligamentum costoclaviculare

General

• Major stabilizing ligament of the sternoclavicular joint
• Supports the shoulder girdle and shoulder joint as well

Gross Anatomy

• Binds the inferior medial clavicle to the first costal cartilage, first rib
• Adjacent to subclavius anteriorly, subclavian vein posteriorly
• Anterior Lamina
  • Origin: anterior lip of the ligamentous impression (rhomboid fossa) on the clavicle
  • Insertion: runs downward and medially to the first costal cartilage
• Posterior Lamina
  • Origin: posterior lip of the ligamentous impression (rhomboid fossa) on the clavicle
  • Insertion: runs downward and laterally to the adjacent end of the first rib

Function

• Costoclavicular ligament acts to stabilize the sternoclavicular joint

---

Clinical Significance

• Sternoclavicular Arthritis
• Sternoclavicular Joint Pain
• Sternoclavicular Joint Dislocation
• Costoclavicular Ligament Ossification

---

See Also

• Shoulder Pain Main
• Shoulder Anatomy Main
• Physical Exam Shoulder

---