
Spenius Cervicis Muscle
Primary Actions of the Splenius Capitis
- Longissimus Cervicis
- Iliocostalis Cervicis
- Spinalis Cervicis
- Semispinalis Cervicis
- Longus Colli
- Scalene (anterior and middle)
The interspinalis assist with extension of the cervical spine.
- Scalene Muscles
- Iliocostalis Cervicis
- Semispinalis Cervicis
- Scalene Muscles
- Iliocostalis Cervicis
- Semispinalis Cervicis
Longus colli and the intertransversarii assist with lateral flexion of the cervical spine.
- Rectus Capitis Posterior Major
- Obliquus Capitis Inferior
Antagonists: same muscles on the opposite side
- Rectus Capitis Posterior Major
- Obliquus Capitis Inferior
Longus colli also assists with ipsilateral rotation of the cervical spine
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For Pain and Symptom Information see: Splenius Cervicis Headache, Eye Pain, and Blurred Vision