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Latissimus Dorsi
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| Latissimus Dorsi | |
|---|---|
| Muscle Type | |
| Origin | Inferior angle of the scapular, 9-12 ribs, spinous processes of T7-T12, thoracolumbar fascia |
| Insertion | Intertubercular sulcus of humerus |
| Action | Extension, adduction and internal rotation of the arm, aids in respiration |
| Synergists | |
| Antagonists | |
| Spinal innervation | C6-C8 |
| Peripheral Innervation | Thoracodorsal nerve (C6-C8) |
| Vasculature | |
