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Coracohumeral ligament

Ligament of the shoulder

Field	Value
Name	Coracohumeral ligament
Latin	ligamentum coracohumerale
Image	Gray326.png
Caption	The left shoulder and acromioclavicular joints, and the proper ligaments of the scapula. (Coracohumeral visible at center right.)
From	Coracoid process (scapula)
To	Greater tubercle of humerus

The coracohumeral ligament is a broad ligament of the shoulder. It attaches to the coracoid process at one end, and to the greater and lesser tubercles of the humerus at the other (as two discrete bands). It strengthens the upper part of the joint capsule of the shoulder joint.

Anatomy

The coracohumeral ligament arises from the lateral border or the base of the coracoid process. It passes obliquely downwards and laterally to the front of the greater tubercle of the humerus.

It forms two bands - an anterior one and a posterior one - that insert into the lesser and greater tubercles of the humerus, respectively.

The two bands of the CCL blend with the joint capsule; the ligament is intimately united with the capsule by its posterior and inferior border, but its anterior and superior border presents a free edge which overlaps the capsule. The CCL also blends with the tendon of the supraspinatus muscle, and the subscapularis muscle.

Anatomical relations

The CCL is situated superior to the head of the humerus.

Function

The coracohumeral ligament strengthens the upper part of the shoulder joint capsule. It becomes taut with external rotation of the glenohumeral joint.

Clinical significance

The coracohumeral ligament may be viewed using ultrasound of the shoulder.

References

(October 2014). "The anatomy of the coracohumeral ligament and its relation to the subscapularis muscle". Journal of Shoulder and Elbow Surgery.
(2005). "Gray's anatomy for students". [[Elsevier]] / [[Churchill Livingstone]].
(2021). "Gray's anatomy : the anatomical basis of clinical practice". Elsevier.
Ellis, H. (December 1989). "Gray's anatomy. 37th ed. P. L. Williams, R. Warwick, M. Dyson, L. H. Bannister. 305 × 235mm. Pp. 1598. Illustrated. 1989. Edinburgh: Churchill Livingstone. £70.00". British Journal of Surgery.
(March 1993). "The structure and function of the coracohumeral ligament: An anatomic and microscopic study". Journal of Shoulder and Elbow Surgery.
(1 September 2006). "Ultrasound in adhesive capsulitis of the shoulder: is assessment of the coracohumeral ligament a valuable diagnostic tool?". [[Skeletal Radiology]].
(2018-10-01). "Ultrasound-guided coracohumeral ligament release". Orthopaedics & Traumatology: Surgery & Research.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

ligaments-of-the-upper-limb

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