Week 14: Axial OIA

Question 1

Origin of Rectus capitis posterior Major

Answer 1

SP of C2

Question 2

Insertion of Rectus Capitis posterior Major

Answer 2

Inferior nuchal line

Question 3

Action of Rectus Capitis posterior Major

Answer 3

Head extension and rotation to same side

Question 4

Origin of rectus Capitis Posterior Minor

Answer 4

Tubercle of posterior arch of C1

Question 5

Insertion of rectus Capitis Posterior Minor

Answer 5

Inferior Nuchal line

Question 6

Action of rectus Capitis Posterior Minor

Answer 6

Head extension

Question 7

Origin of Oblique capitis Superior

Answer 7

TVP of C1

Question 8

Insertion of Oblique Capitis Superior

Answer 8

Between superior and inferior nuchal line

Question 9

Action of Oblique capitis Superior

Answer 9

Head extension and lateral flexion to same side

Question 10

Origin of Oblique capitis inferior

Answer 10

SP of C2

Question 11

Insertion of oblique capitis inferior

Answer 11

TVP of C1

Question 12

Action of oblique capitis inferior

Answer 12

Head extension and rotation to same side

Question 13

Origin of longus colli

Answer 13

Bodies of C5-T3,
TVP C3-C5

Question 14

Insertion of longus colli

Answer 14

Anterior arch C1, body C2-C4, TVP C5-C6

Question 15

Action of longus colli

Answer 15

Unilat: lateral flexion to same, rotate to same
Bilat: flexion of neck

Question 16

Origin of longus capitis

Answer 16

TVP C3-C6

Question 17

Insertion of longus capitis

Answer 17

Inferior surface of occiput

Question 18

Action of longus capitis

Answer 18

Unilat: lateral flexion to same, rotate to same
Bilat: flexion of neck

Question 19

Origin of Rectus Capitis Anterior

Answer 19

TVP of C1

Question 20

Insertion of Rectus Capitis Anterior

Answer 20

Basilar part of occiput

Question 21

Action of Rectus Capitis Anterior

Answer 21

Unilat: lat flex of head
Bilat: flexion of head

Question 22

Origin of rectus capitis Lateralis

Answer 22

TVP C1

Question 23

Insertion of rectus capitis lateralis

Answer 23

Basilar part of occiput, lateral to occipital condyles

Question 24

Action of Rectus Capitis Lateralis

Answer 24

Unilat: lat flex of head
Bilat: flexion of head

Question 25

Origin of Platysma

Answer 25

Fascia covering pec major

Question 26

Insertion of Platysma

Answer 26

Base of mandible lower face skin

Question 27

Action of Platysma

Answer 27

Depress mandible, tense neck fascia, draw down corner of mouth

Question 28

Origin of Sternocleidomastoid

Answer 28

SH: top of manubrium CH: medial 1/3 of clavicle

Question 29

Insertion of Sternocleidomastoid

Answer 29

mastoid process, lateral superior nuchal line

Question 30

Action of Sternocleidomastoid

Answer 30

Unilat: lat flex same side, rotate opposite side Bilat: flex neck, elevate rib

Question 31

Origin of Temporalis

Answer 31

Temporal fossa

Question 32

Insertion of Temporalis

Answer 32

Mandible coronoid process

Question 33

Action of Temporalis

Answer 33

Elevate and retract mandible

Question 34

Origin of Masseter

Answer 34

Zygomatic arch (cheek bone)

Question 35

Insertion of Masseter

Answer 35

Angle/ramus of mandible

Question 36

Action of Masseter

Answer 36

Elevate and protract mandible