Acromion

Changed by Craig Hacking, 15 Nov 2016

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The acromion, also known as the acromial ~~process~~ process, is a small section of the scapula that extends anteriorly from the spinous process.

Gross anatomy

It forms the acromioclavicular joint with the lateral third of of the clavicle, and also connects with the coracoid process via the coraco-acromial ligament.

Attachments

Musculotendinous

mid portion of deltoid muscle originates from the acromion¹

Ligamentous

acromioclavicular ligament attaching then to the clavicle
coracoacromial ligament attaching then to the coracoid

Relations

Blood supply

primary nutrient branch of thesubscapular artery and suprascapular ~~artery~~arteries ²

Variant anatomy

There are three classifications of the acromion that can be labelled using the inferior surface shape of the acromion¹

type 1: flat acromion
type 2: curved acromion
type 3: hooked acromion

Related pathology

acromioclavicular joint injury

-<p>The <strong>acromion, </strong>also known as the <strong>acromial process</strong>, is a small section of the <a href="/articles/scapula">scapula</a> that extends anteriorly from the spinous process. </p><h4>Gross anatomy</h4><p>It forms the <a href="/articles/acromioclavicular-joint-1">acromioclavicular joint</a> with the lateral third of the clavicle, and also connects with the coracoid process via the <a href="/articles/coracoacromial-ligament">coraco-acromial ligament</a>.</p><h5>Attachments</h5><h6><strong>Musculotendinous</strong></h6><ul><li>mid portion of <a href="/articles/deltoid-muscle">deltoid muscle</a> originates from the acromion <sup>1</sup>
+<p>The <strong>acromion, </strong>also known as the <strong>acromial process</strong>, is a small section of the <a href="/articles/scapula">scapula</a> that extends anteriorly from the spinous process. </p><h4>Gross anatomy</h4><p>It forms the <a href="/articles/acromioclavicular-joint-1">acromioclavicular joint</a> with the lateral third of the <a title="clavicle" href="/articles/clavicle">clavicle</a>, and also connects with the coracoid process via the <a href="/articles/coracoacromial-ligament">coraco-acromial ligament</a>.</p><h5>Attachments</h5><h6><strong>Musculotendinous</strong></h6><ul><li>mid portion of <a href="/articles/deltoid-muscle">deltoid muscle</a> originates from the acromion <sup>1</sup>
~~-<li>acromioclavicular ligament</li>~~
+<li><a title="acromioclavicular ligament" href="/articles/acromioclavicular-ligament">acromioclavicular ligament</a></li>
~~-</ul><h4>Blood supply</h4><ul><li>primary nutrient branch of the <a href="/articles/subscapular-artery">subscapular artery</a> and suprascapular artery <sup>2</sup>~~
-</li></ul><h4>Variant anatomy</h4><p>There are <a href="/articles/acromial-types">three classifications of the acromion</a> that can be labelled using the inferior surface shape of the acromion <sup>1</sup></p><ul>
+</ul><h4>Blood supply</h4><ul><li>primary nutrient branch of the <a href="/articles/subscapular-artery">subscapular artery</a> and <a title="Suprascapular artery" href="/articles/suprascapular-artery">suprascapular arteries</a> <sup>2</sup>
+</li></ul><h4>Variant anatomy</h4><p>There are <a href="/articles/acromial-types">three classifications of the acromion</a> that can be labelled using the inferior surface shape of the acromion <sup>1</sup></p><ul>