Coracoacromial ligament

Coracoacromial Ligament

The coracoacromial ligament is a crucial anatomical structure located in the shoulder joint. It plays a significant role in providing stability and support to the joint, preventing excessive movement and potential injuries. This ligament is situated between the coracoid process of the scapula and the acromion process of the scapula, forming a protective arch over the joint.

Anatomy

The coracoacromial ligament is a strong, fibrous band that originates from the lateral aspect of the coracoid process and attaches to the undersurface of the acromion process. It forms a roof-like structure, known as the coracoacromial arch, which helps protect the underlying structures of the shoulder joint, including the rotator cuff tendons.

Function

The primary function of the coracoacromial ligament is to provide stability to the shoulder joint. It acts as a barrier, preventing excessive superior translation of the humeral head and limiting the range of motion. Additionally, it helps to maintain the integrity of the joint by preventing impingement of the rotator cuff tendons against the acromion process.

Clinical Significance

Injuries to the coracoacromial ligament can occur due to trauma or repetitive overhead activities. These injuries can lead to shoulder instability, pain, and limited range of motion. In severe cases, the ligament may become completely torn, resulting in a condition known as coracoacromial ligament tear.

Treatment

The treatment for coracoacromial ligament injuries depends on the severity of the condition. Conservative management, including rest, physical therapy, and anti-inflammatory medications, is often recommended for mild cases. In more severe cases, surgical intervention may be necessary to repair or reconstruct the damaged ligament.

See Also

• Shoulder Joint
• Rotator Cuff
• Acromion Process
• Coracoid Process