Extensor compartments of the wrist
Disclosures
- updated 19 Oct 2022:
Nothing to disclose
Updates to Article Attributes
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The forearm extensor tendonspass under the extensor retinaculum at the level of the wrist. The ligament is divided into six extensor compartments, separated by fibrous septa passing to the bones of the forearm 2.
Summary
The compartments in order from radial to ulnar are:
-
1st compartment:
2nd compartment:
3rd compartment (separated from compartment 2 by Lister's tubercle):
4th compartment:
5th compartment:
6th compartment (runs in the groove of the ulnar head):
-<p>The forearm extensor tendonspass under the <a href="/articles/extensor-retinaculum-wrist" title="Extensor retinaculum (wrist)">extensor retinaculum</a> at the level of the <a href="/articles/wrist">wrist</a>. The ligament is divided into six <strong>extensor</strong> <strong>compartments</strong>, separated by fibrous septa passing to the bones of the forearm <sup>2</sup>.</p><h4>Summary</h4><ul>- +<p>The forearm extensor tendonspass under the <a href="/articles/extensor-retinaculum-wrist" title="Extensor retinaculum (wrist)">extensor retinaculum</a> at the level of the <a href="/articles/wrist">wrist</a>. The ligament is divided into six <strong>extensor</strong> <strong>compartments</strong>, separated by fibrous septa passing to the bones of the forearm <sup>2</sup>.</p><h4>Summary</h4><p>The compartments in order from radial to ulnar are:</p><ul>
-<ul><li>-<p><a href="/articles/extensor-pollicis-brevis-muscle-1">extensor pollicis brevis</a></p>-<p><a href="/articles/abductor-pollicis-longus-muscle-1">abductor pollicis longus</a></p>-</li></ul>- +<ul>
- +<li><p><a href="/articles/abductor-pollicis-longus-muscle-1">abductor pollicis longus</a></p></li>
- +<li><p><a href="/articles/extensor-pollicis-brevis-muscle-1">extensor pollicis brevis</a></p></li>
- +</ul>
-<li><p><a href="/articles/extensor-digitorum-muscle-1">extensor digitorum</a></p></li>- +<li><p><a href="/articles/extensor-digitorum-muscle-1">extensor digitorum</a></p></li>
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