serratus posterior superior

Serratus posterior superior muscle

The Serratus posterior superior is a thin, quadrilateral muscle, situated at the upper and back part of the thorax.

It arises by a thin and broad aponeurosis from the lower part of the ligamentum nuchae, from the spinous processes of the seventh cervical and upper two or three thoracic vertebræ and from the supraspinal ligament.

Inclining downward and lateralward it becomes muscular, and is inserted, by four fleshy digitations, into the upper borders of the second, third, fourth, and fifth ribs, a little beyond their angles.

References

  • Clinically Oriented Anatomy, 4th ed. Keith L. Moore and Arthur F. Dalley.
  • Board Review Series: Gross Anatomy, 4th ed. Kyung Won Chung.

See also

External links

  • - "Intermediate layer of the extrinsic muscles of the back, deep muscles."

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