Ligament of head of rib

Ligament of head of rib

The ligament of head of rib (also known as the intra-articular ligament of head of rib) is a ligament that connects the head of a rib to the intervertebral disc between two adjacent vertebrae. This ligament is an important structure in the thoracic region of the vertebral column.

Anatomy

The ligament of head of rib is a short, strong band of fibrous tissue. It originates from the crest of the head of the rib and extends horizontally to attach to the intervertebral disc. This ligament divides the joint cavity into two separate compartments, each containing a synovial membrane.

Function

The primary function of the ligament of head of rib is to stabilize the costovertebral joint, which is the joint between the head of the rib and the bodies of the vertebrae. This stabilization is crucial for maintaining the integrity of the rib cage and ensuring proper respiratory mechanics.

Clinical Significance

Injuries or disorders affecting the ligament of head of rib can lead to pain and dysfunction in the thoracic region. Conditions such as costovertebral joint dysfunction or thoracic spine disorders may involve this ligament. Proper diagnosis and treatment are essential for managing symptoms and restoring function.

Related Structures

• Costotransverse ligament
• Radiate ligament of head of rib
• Intervertebral disc
• Thoracic vertebrae

See Also

• Rib cage
• Thoracic vertebrae
• Costovertebral joint
• Ligament