moved, when the Subclavius muscle will be seen. The Subclavius is a long, thin, spindle-shaped muscle, placed in the interval between the clavicle and the first rib. It arises by a short, thick tendon from the cartilage of the first rib, in front of the rhomboid ligament; the fleshy fibres proceed… … Relations. By its upper surface , with the clavicle. By its under surface , it is separated from the first rib by the axillary vessels and nerves. Its anterior surface is separated from the Pectoralis Major by a strong aponeurosis, which, with the clavicle, forms an osteo-fibrous sheath in which…
Human anatomy
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.