Pronunciation (luh-TIS-uh-mus DOR-si) Origin/Proximal Attachment Spinous processes of T7-L5, supraspinous ligament, upper2-3 sacral segments, iliac crest, lower 3-4 ribs, inferior angle of scapula Insertion/Distal Attachment Floor of the bicipital groove of the humerus Action/Relevance Extension of the arm (from a flexed position) Internal rotation of the armAdduction of the arm4. Downward rotation of the scapula Innervation Thoracodorsal nerve, C6, 7,8 |  Return to index For futher enquires please contact sales@cgcharacter.com |
