Latissimus Dorsi

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Latissimus dorsi.jpg
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
Spinal innervation C6-C8
Peripheral Innervation Thoracodorsal nerve (C6-C8)