Muscles / Back
Serratus posterior inferior
- Back
- Back & spine
- Intermediate layer
Anatomy
- Origin
- Spinous processes of T11-L2
- Insertion
- Inferior borders of ribs 8/9-12
- Nerve
- Anterior rami of thoracic spinal nerves (T9-T12)
Actions
- Traditionally described as depressing the lower ribs; may be mainly proprioceptive
Also trained by
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e