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Transverse abdominus - Origin
Iliac crest & lumbar fascia & inguinal ligament & costal cartilages of ribs 6-12
Pectoralis Major - Joint action
- Flextion and horizontal adduction at shoulder
- Medial rotation at shoulder
Latissimus Dorsi (lats) - origin
- posterior ilium
- Lumbar fascia
- vertebral spines of T7 - T12
Latissimus Dorsi (lats) - Insertion
Floor of bicipital groove; between pectoralis major and teres major
Latissimus Dorsi (lats) - Joint action
- adducts and extends at shoulder
- medial rotation at shoulder
Flexor Carpi Ulnaris - origin
Medial epicondyle of the humerus, olecranon process and the proximal two thirds of the posterior surface of the ulna.
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