Question: what is the origin and insertion of the latissimus dorsi muscle?
Answer: Origin of the latissimus dorsi is from spinous processes of thoracic T7–T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs, inferior angle of scapula and insertion on floor of intertubercular groove of the humerus. ... The extra slip of the latissimus dorsi may puzzle any transplant operations.