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Splenius Cervicis Anatomy: Origin, Insertion, Action, Innervation

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Muscle Anatomy of the Splenius Cervicis

Origin: Spinous processes and supraspinous ligaments of T3 to T6
Insertion: Posterior tubercles of transverse processes of C1 to C3
Actions: 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: Posterior rami of the intercostal and deep cervical branch of costocervical trunk arteries

Splenius cervicis muscle origin, insertion, action, innervation

Muscle Anatomy: Splenius Cervicis Actions

Primary Actions 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
  • Scalenus medius

2. Lateral Flexion of the cervical spine when acting unilaterally

  Agonists:

  • Scalenus anterior
  • Scalenus medius
  • Scalenus posterior
  • Iliocostalis cervicis
  • Semispinalis cervicis

  Antagonists: Same muscles on contralateral side

  •  Scalenus anterior
  • Scalenus medius
  • Scalenus posterior
  • Iliocostalis cervicis
  • Semispinalis cervicis

Secondary Actions of the Splenius Cervicis:

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

  Agonists:

  •  Rectus capitis posterior
  • Obliquus capitis inferior

  Antagonists: Same muscles on contralateral side

  • Rectus capitis posterior
  • Obliquus capitis inferior

Information about cause and effect of Splenius Cervicis pain:

Splenius Cervicis Headache, Eye Pain, and Blurred Vision

Recommended Anatomy Books:

Anatomy 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.

Human Muscle Anatomy

The Trail Guide To The Body is another excellent book to help you learn the musculature of the human body. Though the book is geared toward massage therapists and physical therapist assistants, the book with its illustrations and text helps anyone gain a thorough understanding of the human musculoskeletal system and movement. I highly recommend this book for anyone studying anatomy and believe that MTs, PTAs, and teachers of body movements should have this book in their possession. I also highly recommend this book for the lay person who wants to gain understanding of the muscle, skeletal system and how our bodies move. This book will not disappoint!

Basic Clinical Massage Therapy

Out of the scores of books in my office Basic Clinical Massage Therapy is by far the most referenced book in my library. The musculoskeletal system is overlaid on human models allowing you to learn the precise location, origin and insertions of each muscle. The models are pictured in various poses throughout the book which also helps you visualize muscles in motion and their actions relationship with the skeletal structure and other muscles. Though it is written for massage therapists, it is an excellent book for anyone who wants to learn about the muscular system. MT's will benefit from recommended treatments for each muscle.

Muscle Anatomy Flashcards

Musculoskeletal Anatomy 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.

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