Coracoacromial Arch

Description

Diagram of the acromion and coracoacromial ligament

The coracoacromial arch

Name

• Coracoacromial Arch
• Coraco-Acromial Arch
• Coracoacromial Vault
• Coracoacromial Roof
• Shoulder Arch
• Arcus Coracoacromialis (Latin)

General

• Term for bony and ligamentous structures which form the superior border of the supraspinatus outlet

Gross Anatomy (from anterior to posterior)

• Coracoid Process
• Coracoacromial Ligament
• Acromioclavicular Joint
• Acromion

Contents

• 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

• Acromion Variant Anatomy
• Os Acromiale

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Clinical Significance

• Subacromial Impingement Syndrome
• Rotator Cuff Tear

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See Also

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

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