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Splenius Cervicis Anatomy: Origin, Insertion, Action, Innervation

Splenius Cervicis Anatomy Study

Splenius cervicis anatomyOrigin: Spinous processes and supraspinous ligaments of T3 to T6
Insertion: Posterior tubercles of transverse processes of C1 to C3
Action: Extention of the cervical spine,Lateral flexion of the cervical spine, Rotation of the cervical spine
Innervation: Dorsal primary rami of C5 to C7
Blood Supply: Superior intercostal artery via the dorsal rami of the upper two posterior intercostal arteries and the dorsal rami of the posterior intercostal arteries.

Synergist: Semispinalis capitis and cervicis, Splenius capitis, Spinalis cervicis, Interspinales, Longissimus cervicis, Iliocostalis cervicis, Multifidus

Antagonist: Sternocleidomastoid, Longus colli and capitis, Scalenus anterior, medius, and posterior

For Pain and Symptom Information see: Splenius Cervicis Headache, Eye Pain, and Blurred Vision

Primary Action of the splenius cervicis:

1. Extension of the cervical spine when acting bilaterally

    • Agonists: Longissimus cervicis, Spinalis cervicis, Semispinalis cervicis, ilocostalis cervicis,
    • Antagonists: Longus Colli, Scalenus anterior and medius

2. Lateral Flexion of the cervical spine when acting unilaterally

    • Agonists: Scalenus anterior, Scalenus medius, Scalenus posterior, Iliocostalis cervicis, Semispinalis cervicis
    • Antagonists: Scalenus anterior, Scalenus medius, Scalenus posterior, Iliocostalis cervicis, Semispinalis cervicis on opposite side

Secondary Action of the splenius cervicis:

1. Assists with ipsilateral rotation of the cervical spine when acting unilaterally

    • Agonists: Rectus capitis posterior, Obliquus capitis inferior
    • Antagonists: Rectus capitis posterior, Obliquus capitis inferior on opposite side

Learn Anatomy With These Books

Musculoskeletal Anatomy Flashcards Musculoskeletal Flashcards Are you a student or professional therapist who needs to brush up on the musculoskeletal system? Dr. Joseph E. Muscolino DC has developed a comprehensive set of flashcards that will help develop a mind’s picture of exactly where the muscles lie under the skin. A highly recommended study aid for students. Great for non students who want an easy comprehensive anatomy guide. coloring_book

 

The Anatomy Coloring Book is one of the best study and reference books for beginning anatomy students. The diagrams are clearly labeled and allow you to see the relationship and placement of the various structures of the body. You will also be surprised how the act of coloring will help with recall. But this is not just a beginners book, it is also great for practitioners and therapists to have on hand to use with clients and patients to use as a visual reference.


 

References:

The Trigger Point Therapy Workbook – Claire Davies, Amber Davies, and David G. Simons

Basic Clinical Massage Therapy: Integrating Anatomy and Treatment – James H. Clay and David M. Pounds

Trigger Point Therapy for Myofascial Pain – Donna Finando and Steven Finando

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