Origin
Spinous processes T7–T12, thoracolumbar fascia, iliac crest, inferior 3/4 ribs, inferior angle scapula
Insertion
Floor of the intertubercular groove of the humerus
Actions
- Humeral adduction
- Humeral extension
- Humeral medial rotation
Innervation
- Thoracodorsal nerve (C6, C7, C8)
Blood Supply
- Thoracodorsal nerve (C6, C7, C8)
Would you like to learn more about the latissimus dorsi muscle? Then check out the latissimus dorsi muscle article and video by clicking the link below: Latissimus Dorsi Muscle Anatomy
