Semispinalis thoracis

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
  • Thoracolumbar paraspinal muscles1
  • Neuman2
Muscle Origin Insertion Innervation Action
Semispinalis thoracis

Origin

T6-T12 (TP)3

Insertion

C6-T4 (SP)3

Innervation

Spinal nn. (Posterior Rami)3

Action

  • BIL: Extends thoracic and cervical spines and head (stabilizes craniovertebral jt)3
  • UNIL: I/L SB of head, cervical, and thoracic spine; C/L Rotation3

References

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.

Citation

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