Acromion
The acromion (plural: acromia), also known as the acromial process, is a small projection of the scapula that extends anteriorly from the spine of the scapula.
Gross anatomy
It forms the acromioclavicular joint (ACJ) with the lateral third of the clavicle and also connects with the coracoid process via the coracoacromial ligament.
Attachments
Musculotendinous
- mid-portion of deltoid muscle originates from the acromion
Ligamentous
- acromioclavicular ligament attaches to the clavicle
- coracoacromial ligament attaches to the coracoid
Relations
Arterial supply
- primary nutrient branch of the subscapular artery and suprascapular arteries
Variant anatomy
There are a number of acromial types, which reflect the inferior surface shape of the acromion :
- type 1: flat acromion
- type 2: curved acromion
- type 3: hooked acromion
- type 4: convex
Related pathology
Siehe auch:
- Klassifikation der Akromiontypen nach Bigliani
- Os acromiale
- Impingement der Schulter
- Apophyseolyse des Akromions
und weiter:
Assoziationen und Differentialdiagnosen zu Acromion:
Klassifikation
der Akromiontypen nach Bigliani
