C-Spine & Neck

Question 1

Trapezius

Answer 1

O- upper fibers: EOP, nuchal line & nuchal ligament
middle fibers: SPs C7-T5
lower fibers: SPs T5-T12

I- lateral 1/3 of clavical, acromion & spine of scapula

A- elevation & retraction of scapula
upwards rotation of scapula
extension & lateral flexion of head

N- spinal accessory nerve

Question 2

Levator Scapula

Answer 2

O- TPs of C1-C4

I- medial border of scapula

A- elevation of scapula
extension & lateral flexion of neck

N- dorsal scapular nerve

Question 3

Splenius Capitis

Answer 3

O- SPs C4-T4 & nuchal ligament

I- mastoid process of temporal bone & occipital bone

A- ipsilateral rotation & lateral flexion of head & neck
extension of head & neck

N- cervical spinal nerves

Question 4

Splenius Cervicis

Answer 4

O- SPs of T3-T6

I- TPs of C1-C3

A- ispilateral rotation & lateral flexion of neck
extension of neck

N- cervical spinal nerves

Question 5

Sternocleidomastoid (SCM)

Answer 5

O- sternal head: manubrium of the sternum
clavicular head: medial 1/3 of clavicle

I- mastoid process of temporal bone

A- rotation of head to contralateral side
lateral flexion to ipsilateral side

N- spinal accessory nerve

Question 6

Longus Capitis

Answer 6

O- TPs of C3-C5

I- occipital bone

A- flexion of head & neck

N- cervical spinal nerves

Question 7

Longus Cervicis

Answer 7

O- lower anterior vertebral bodies & TPs of C3-T3

I- anterior vertebral bodies & TPs C1-C6

A- flexion & lateral flexion of neck

N- cervical spinal nevres

Question 8

Anterior Scalene

Answer 8

O- TPs of C3-C6

I- 1st rib

A- flexion & ipsilateral flexion of neck
elevation of 1st rib

N- cervical spinal nerves

Question 9

Middle Scalene

Answer 9

O- TPs C2-C7

I- 1st rib

A- flexion & ipsilateral flexion of neck
elevation of 1st rib

N- cervical spinal nerves

Question 10

Posterior Scalene

Answer 10

O- TPs of C5-C7

I- 2nd rib

A- ipsilateral lateral flexion of neck
elevation of 2nd rib

N- cervical spinal nerves