Cervical Muscles

Question 1

Some of the main flexors

Answer 1

Sternocleidomastoid, longues capitus, short muscles between atlas occiput

Question 2

Some of the extensors

Answer 2

Small post vertebral muscles

Question 3

Some of the lateral flexors

Answer 3

Small sub occipital muscles e.g obliqus capitis inferior and superior

Question 4

Some of the muscles that do rotation

Answer 4

Sub occipital muscles, sternocleidomastoid, upper traps

Question 5

Deep extensors (extension of head)

Answer 5

Rectus capitis posterior minor and major

Question 6

Deep flexors (ipsilateral side flexors)

Answer 6

Obliqus capitis inferior and superior

Question 7

Muscles that extend the neck

Answer 7

Levator scap, splenius cervicis

Question 8

Muscles that extend head and neck

Answer 8

Splenius capitus, erector spinae

Question 9

Origins, insertions, actions of sternocleidomastoid

Answer 9

Origins: sternal head from anterior surface of manubrium, clavicle head from upper surface medial 2/3 of clavicle
Insertions: lat 1/3 superior nuchal line of occipital bone, mastoid process of temporal bone
Action: bilaterally: c spine flexion, unilaterally: ipsilateral side flexion, contralateral rotation, accessory muscle of respiration

Question 10

Longus capitus and Colli

Only need name and action

Answer 10

Bilateral flexion of c spine, flexion of neck, colli flexes neck, capitus flexes head and neck

Question 11

Origins, insertions and action of lev scap

Answer 11

Origins: c1-4 tp
Insertions: med border of scap between sup angle and med end of scap
Action: elevation of scap, side flexion, extension of neck
Function: stability of scap, resists depression when holding a weight

Question 12

Splenius cervicis and capitus

Name and action

Answer 12

Cervicis extends head on neck bilaterally, ipsilateral lat flexion, unilateral rotation
Capitus head and neck extension, retraction