latissimus dorsi muscle

Latissimus dorsi muscle (plural: latissimi dorsi muscles, and colloquially often shortened to the lats) is one of the muscles that attaches the upper limb to the vertebral column.

Summary

• origin
  • ​spinous processes of T7-T12 vertebrae and thoracolumbar fascia
  • posterior third of the iliac crest
  • 9-12ribs
  • inferior angle of the scapula
• insertion: floor of the bicipital groove of the humerus
• innervation: thoracodorsal nerve
• arterial supply: thoracodorsal artery (a branch of the subscapular artery)
• action: adduction, internal rotation and extension of the shoulder joint

Siehe auch:

• Musculus serratus anterior
• Rumpfmuskulatur
• Raumforderung Musculus latissimus dorsi

und weiter:

• Oberarmmuskulatur
• Schultergelenksmuskulatur
• Schultergürtelmuskulatur