Serratus Posterior Inferior

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Reading list

• Serratus posterior superior and inferior¹
• Neuman²

Muscle	Origin	Insertion	Innervation	Action
Serratus posterior inferior

Origin

T11-L2 (SP)³

Insertion

8-12th ribs (inferior borders near angles)³

Innervation

Spinal nn. T9-T12 (Anterior rami)³

Action

Depresses ribs

Muscle groups

Rectus capitis anterior is part of the prevertebral muscle group

Palpation

Clinical significance

1.

Donnelly JM, Simons DG, eds. Travell, Simons & Simons’ Myofascial Pain and Dysfunction: The Trigger Point Manual. Third edition. Wolters Kluwer Health; 2019.

2.

Neumann DA, Kelly ER, Kiefer CL, Martens K, Grosz CM. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed. Elsevier; 2017.

3.

Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.