Origin
what is: Nuchal ligament, C7-T5 spinous process
insertion of the trapezius
what is: lateral clavicle, acromion and spine of scapula?
action of the anterior scalene
what is: Forced inspiration; elevates first rib?
innervation of the rhomboids?
what is: Dorsal scapular nerve (C5)
what is: External border of 2nd rib?
origin of the obliquus capitis superior
what is: Transverse process of C1?
insertion of the obliquus capitis inferior
what is: Transverse process of the C1 vertebra
action of the latissimus dorsi
what is: Extends, adducts, medially rotates shoulder joint; raises body toward arms during climbing?
innervation of erector spinae
what is: dorsal rami?
Action of the rectus capitis posterior minor
what is: Bilateral: Extension of the head on the cervical spine, Unilateral: Extension of the head on the cervical spine
origin of the trapezius
what is: medial superior nuchal line, external occipital protuberance, nuchal ligament, spinous process of C7-T12?
insertion of the rectus capitis posterior major
what is: Lateral part of the inferior nuchal line of the occipital bone?
action of the splenius cervicis/ capitis
what is: Acting alone: laterally flexes neck and rotates head ipsilaterally
Acting together: extend head and neck
what is: Cervical spinal nerves C4–C6?
origin of obliquus capitis inferior
what is: Spinous process of the C2
origin of the middle scalene
what is: Posterior tubercles of transverse processes of C4–C7 vertebrae?
insertion of the middle scalene
what is: Superior surface of 1st rib; posterior to groove for subclavian artery
action of obliquus capitis superior
what is: Bilateral: extension of the head on the cervical spine, Unilateral: same side lateral flexion of the head on the cervical spine?
innervation of the trapezius
what is: Spinal accessory nerve (CN XI motor fibers), C3/C4 spinal nerves for pain and proprioception?
nerve of the posterior scalene
what is: Anterior rami of cervical spinal nerves C7 and C8?
origin of the latissimus dorsi
what is: spinous process of T7-T12, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs?
insertion of the levator scapulae
what is: medial border of scapula, superior to the root of the spine
action of erector spinae
what is: Bilaterally: extends vertebral column and head; When back is flexed, controls movements by gradually lengthening fibers
Unilaterally: laterally flex vertebral column
the innervation of the levator scapulae
What is: Dorsal scapular (C5) and cervical (C3, C4) spinal nerves
action of the semispinalis
what is: Extend head, thoracic, and cervical regions
Rotates them contralaterally/contralateral