Medial triangular space

Changed by Craig Hacking, 25 Mar 2019
Back to revision history

Updates to Article Attributes

Body was changed:

The medial (or upper) triangular space is a communication between the axilla and the posterior scapula region. It should not be confused with the similarly named lateral triangular(lower) triangular space.

Gross anatomy

It is a medially pointing triangle with a base laterally and apex inferomedially.

Boundaries
Contents
  • -<p>The <strong>medial</strong> (or <strong>upper</strong>) <strong>triangular space</strong> is a communication between the axilla and the posterior scapula region. It should not be confused with the similarly named <a href="/articles/lateral-triangular-space">lateral triangular space</a>.</p><h4>Gross anatomy</h4><h5>Boundaries</h5><ul>
  • -<li>laterally: long head of <a href="/articles/triceps-brachii">triceps brachii</a> muscle</li>
  • -<li>inferiorly: <a href="/articles/teres-major">teres major</a> muscle</li>
  • -<li>superiorly: <a href="/articles/subscapularis-1">subscapularis</a> muscle (some references list <a href="/articles/teres-minor">teres minor</a> muscle<sup> 2</sup>)</li>
  • +<p>The <strong>medial</strong> (or <strong>upper</strong>) <strong>triangular space</strong> is a communication between the <a href="/articles/axilla">axilla</a> and the posterior scapula region. It should not be confused with the similarly named <a href="/articles/lateral-triangular-space">lateral (lower) triangular space</a>.</p><h4>Gross anatomy</h4><p>It is a medially pointing triangle with a base laterally and apex inferomedially.</p><h5>Boundaries</h5><ul>
  • +<li>laterally: medial border of the long head of <a href="/articles/triceps-brachii">triceps brachii</a> muscle</li>
  • +<li>inferiorly: superior border of the  <a href="/articles/teres-major">teres major</a> muscle</li>
  • +<li>superiorly: inferior border of the <a href="/articles/subscapularis-muscle-2">subscapularis</a> muscle (some references list <a href="/articles/teres-minor-muscle-1">teres minor</a> muscle<sup> 2</sup>)</li>
Images Changes:

Image 1 Diagram ( create )

ADVERTISEMENT: Supporters see fewer/no ads