Latissimus dorsi muscle

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Latissimus Dorsi
1119 Muscles that Move the Humerus b.png
Latissimus dorsi oreeginates frae the mid tae lawer back
Latissimus dorsi.PNG
Muscles connectin the upper extremity tae the vertebral column.
OriginSpinous processes o vertebrae T7-L5, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs an inferior angle o scapula
InsertionFluir o intertubercular gruive o the humerus
ArteryThoracodorsal branch o the subscapular artery
NerveThoracodorsal nerve (C6, C7, C8)
ActionsAdducts, extends an internally rotates the airm whan the insertion is muived taewart the oreegin. When observing the muscle action o the oreegin taewart the insertion, the lats are a verra pouerfu rotator o the trunk.
AntagonistDeltoid an trapezius muscle
LaitinMusculus latissimus dorsi
Anatomical terms o muscle

The latissimus dorsi is a lairge, flat muscle on the back that stretches tae the sides, ahint the airm, an is pairtly kivered bi the trapezius on the back near the midline.