Tags: Anatomical Structure.
The subclavian triangle (or supraclavicular triangle omoclavicular triangle) the smaller division of the posterior triangle is bounded above by the inferior belly of the Omohyoideus; below by the clavicle; its base is formed by the posterior border of the Sternocleidomastoideus. Its floor is formed by the first rib with the first digitation of the Serratus anterior.
