Latissimus dorsi muscle
Updates to Article Attributes
Body
was changed:
Latissimus dorsi muscle (colloquially often shortened to the lats) is one of the muscles that attaches the upper limb to the vertebral column.
Summary
-
origin
- spinous processes of T7-T12 vertebrae and thoracolumbar fascia
- posterior third of the iliac crest
- 9th-12th ribs
- inferior angle of the scapula
- insertion: floor of the bicipital groove of the humerus
- innervation: thoracodorsal nerve
- arterial supply: thoracodorsal artery (a branch of the subscapular artery)
- action: adduction, internal rotation and extension of the shoulder joint
-<p><strong>Latissimus dorsi muscle</strong> (colloquially often shortened to the <strong>lats</strong>) is one of the muscles that attaches the <a href="/articles/upper-limb-anatomy">upper limb</a> to the <a title="Vertebral column anatomy" href="/articles/spinal-anatomy-1">vertebral column</a>.</p><h4>Summary</h4><ul>- +<p><strong>Latissimus dorsi muscle</strong> (colloquially often shortened to the <strong>lats</strong>) is one of the muscles that attaches the <a href="/articles/upper-limb-anatomy">upper limb</a> to the <a href="/articles/spinal-anatomy-1">vertebral column</a>.</p><h4>Summary</h4><ul>
-<strong>insertion</strong>: floor of the bicipital groove of the <a href="/articles/humerus">humerus</a>- +<strong>insertion</strong>: floor of the <a title="Bicipital groove" href="/articles/bicipital-groove">bicipital groove</a> of the <a href="/articles/humerus">humerus</a>
-<strong>action</strong>: <a href="/articles/arm-adduction">adduction</a>, <a href="/articles/arm-internal-rotation">internal rotation</a> and <a href="/articles/arm-extension">extension</a> of the <a title="Shoulder" href="/articles/shoulder">shoulder joint</a>- +<strong>action</strong>: <a href="/articles/arm-adduction">adduction</a>, <a href="/articles/arm-internal-rotation">internal rotation</a> and <a href="/articles/arm-extension">extension</a> of the <a href="/articles/shoulder">shoulder joint</a>
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