Shoulder + Elbow Ligaments

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Last updated 6:29 PM on 4/28/26

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10 Terms

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Capsular (superior, medial, inferior glenohumeral)

Attachments
Functions
Features

Attachments

Glenoid margin -> lesser tubercle/anatomical neck

Functions

Strengthen anterior capsule

Features

Resist external rotation, stability to anterior part of GHJ

<p>Attachments</p><ul><li><p><span style="background-color: transparent;">Glenoid margin -> lesser tubercle/anatomical neck</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent;">Strengthen anterior capsule </span></p></li></ul><p>Features</p><ul><li><p><span style="background-color: transparent;">Resist external rotation, stability to anterior part of GHJ</span></p></li></ul><table style="min-width: 127px;"><colgroup><col style="width: 102px;"><col style="min-width: 25px;"></colgroup><tbody><tr><td colspan="1" rowspan="1" colwidth="102" style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: top; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><p></p></td><td colspan="1" rowspan="1" style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: top; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><p></p></td></tr></tbody></table><p></p>

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Coracoacromial

Attachments
Functions

Attachments

Spans coracoacromial arch

Functions

Roof over the joint providing superior stability

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Spans coracoacromial arch</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Roof over the joint providing superior stability</span></p></li></ul><p></p>

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Coracohumeral

Attachments
Functions
Features

Attachments

Coracoid process -> anatomical neck of humerus

Features

Blends with capsule and transverse humeral lig, stronger than GH ligaments

Functions

Provides superior and anterior stability

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Coracoid process -> anatomical neck of humerus</span></p></li></ul><p>Features</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Blends with capsule and transverse humeral lig, stronger than GH ligaments</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Provides superior and anterior stability</span></p></li></ul><p></p>

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Transverse Humeral Ligament

Attachments
Functions

Attachments

Greater tubercle -> lesser tubercle

Functions

Stabilizes LHB tendon within the intertubercular groove

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Greater tubercle -> lesser tubercle</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent;">Stabilizes LHB tendon within the intertubercular groove</span></p></li></ul><p></p>

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Acromioclavicular

Attachments

Attachments

Lateral clavicle -> anteromedial acromion

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Coracoclavicular

Attachments
Functions

Attachments

Coracoid process -> clavicle (trapezoid part attaches to trapezoid line on clavicle + conoid part attaches to conoid tubercle on clavicle)

Functions

Structurally important for maintaining stability at acromioclavicular joint (prevents clavicle moving superiorly)

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Coracoid process -> clavicle (trapezoid part attaches to trapezoid line on clavicle + conoid part attaches to conoid tubercle on clavicle)</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Structurally important for maintaining stability at acromioclavicular joint (prevents clavicle moving superiorly)</span></p></li></ul><p></p>

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Coracoacromial

Attachments

Attachments

Coracoid process -> acromion

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Ulnar collateral ligament

Attachments
Features
Functions

Attachments

Medial epicondyle -> fans out into anterior and posterior bands
- Ant: sublime tubercle on coronoid p
- Post: medial olecranon
Intermediate band between coronoid process & olecranon

Features

Triangular

Functions

Lateral stability against valgus force

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Medial epicondyle -> fans out into anterior and posterior bands </span></p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Ant: sublime tubercle on coronoid p</span></p></li><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Post: medial olecranon</span></p></li></ul></li><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Intermediate band between coronoid process & olecranon</span></p></li></ul><p>Features</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Triangular</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Lateral stability against valgus force</span></p></li></ul><p></p>

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Radial collateral ligament

Attachments
Features
Functions

Attachments

RCL: lateral epicondyle -> radial notch of ulna via annular ligament (radial head)

LuCL: lateral epicondyle -> supinator crest of ulna

Features

Triangular Band

Functions

Resists Varus

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">RCL: lateral epicondyle -> radial notch of ulna via annular ligament (radial head)</span></p></li></ul><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">LuCL: lateral epicondyle -> supinator crest of ulna</span></p></li></ul><p>Features</p><ul><li><p>Triangular Band</p></li></ul><p>Functions</p><ul><li><p>Resists Varus</p></li></ul><p></p>

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Annular ligament

Attachments
Features
Functions

Attachments

Encircles radial head, attached by both ends to radial notch of ulna

Features

Makes up ⅘ of the fibrosseous ring

Functions

Holds radial head against notch

<p>Attachments</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Encircles radial head, attached by both ends to radial notch of ulna</span></p></li></ul><p>Features</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Makes up ⅘ of the fibrosseous ring</span></p></li></ul><p>Functions</p><ul><li><p><span style="background-color: transparent; font-family: "Times New Roman", serif;">Holds radial head against notch</span></p></li></ul><p></p>