Coracoacromial arch
Coracoacromial arch is a term for different bony and ligamentous structures, which form the superior border supraspinatus outlet.
Gross anatomy
It comprises the following anatomical structures from anterior to posterior :
Structures located within the coracoacromial arch include:
- subacromial-subdeltoid bursa
- supraspinatus tendon
- superior part of the infraspinatus tendon
- rotator cuff interval
- long head of biceps tendon
- coracohumeral ligament
- superior glenohumeral ligament
Variant anatomy
Related pathology
- supraspinatus outlet narrowing
- subacromial impingement
- rotator cuff tear