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5 Cards in this Set
- Front
- Back
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What are the five origins (proximal attachments) of the latissimus dorsi muscle?
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1) inferior six thoracic (i.e.
T7-T12) vertebral spines 2) thoracolumbar fascia 3) posterior third of iliac crest 4) inferior 3 or 4 (i.e. 9th-12th) ribs 5) inferior angle of scapula |
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What is the insertion (distal attachment) of the latissimus dorsi muscle?
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floor of intertubercular humeral groove
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What innervates the latissimus dorsi muscle?
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thoracodorsal nerve [aka middle scapular nerve (i.e. C7, 8 spinal nerves)]
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What are the three main actions of the latissimus dorsi muscle?
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1) adducts humerus
2) extends humerus 3) medially (internally) rotates humerus |
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What artery supplies the latissimus dorsi muscle?
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thoracodorsal artery
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