Semispinalis capitis
origin: C7 and T1-T6 thoracic transverse processes and articular processes of 4th, 5th, and 6th cervical vertebrae; insertion: between superior and inferior nuchal lines of the occipital; action: extnesion of lateral flexion of the neck and head, and rotates it to the opposite side; nerve supply: posterior rami of the cervial nerves; synergists: splenius group, … Read more