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.
Origin Spinous processes o vertebrae T7-L5, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs an inferior angle o scapula
Insertion Fluir o intertubercular gruive o the humerus
Artery Thoracodorsal branch o the subscapular artery
Nerve Thoracodorsal nerve (C6, C7, C8)
Actions Adducts, 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.
Antagonist Deltoid an trapezius muscle
Laitin Musculus latissimus dorsi
TA A04.3.01.006
FMA 13357
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.