neck & c-spine

Question 1

Levator Scapulae

Answer 1

Origin: TP of C1-C4
Insertion: Medial border of scapula
Action: elevation of scalupe & extension and lateral flexion of the neck
Innervation: Dorsal Scapular Nerve

Question 2

Splenius Capitis

Answer 2

Origin: SP of C4-T4
Insertion: Occipital & temporal bone
Action: Rotation & lateral flexion & extension of the neck
Innervation: Cervical spinal nerves

Question 3

Splenius Cervicis

Answer 3

Origin: SP of T3-T6
Insertion: TP of C1-C3
Action: Rotation & Lateral flexion & extension of the neck
Innvervation: Cervical spinal nerves

Question 4

Sub-occipital: Rectus capitis posterior major

Answer 4

Origin: SP of C2
Insertion: lateral portion of inferior nuchal line
Action: Extension & rotation & lateral flexion of the head
Innervation: Sub-occipital nerve

Question 5

Sub-occipital: Rectus capitis posterior minor

Answer 5

Origin: Posterior tubercle C1
Insertion: Medial portion of inferior nuchal line
Action: Extension & rotation & lateral flexion of the head
Innervation: Sub-occipital nerve

Question 6

Sub-occipital: Obliquus capitis superior

Answer 6

Origin: TP of C1
Insertion: Between medial and lateral portion of inferior nuchal line
Action: Extension & rotation & lateral flexion of the head
Innervation: Sub-occipital nerve

Question 7

Sub-occipital: Obliquua capitis inferior

Answer 7

Origin: SP of C2
Insertion: TP of C1
Action: Extension & rotation & lateral flexion of the head
Innervation: Sub-occipital nerve

Question 8

Sternocleidomastoid (SCM)

Answer 8

Origin: Sternum & clavicle
Insertion: Temporal bone
Action: Rotation & lateral flexion & flexion of the neck
Innervation: Spinal accessory (CN XI) & central rami