Ch 15: Vertebral (cervical, thoracic, abdominal)

Question 1

Muscles of the Posterior Brachial Arch

Answer 1

Sternocleidomastoid

Trapezius

Question 2

Sternocleidomastoid origin

Answer 2

sternum

clavicle

Question 3

Sternocleidomastoid insertion

Answer 3

lateral mastoid process of the temporal bone

Question 4

Sternocleidomastoid actions

Answer 4

Single:

• contralateral rotation
• flexion

Both:
-flexion

Question 5

Trapezius origin for moving head

Answer 5

clavicle

acromion process

Question 6

Trapezius insertion for moving head

Answer 6

nuchal ligament

Question 7

Trapezius actions

Answer 7

Single:

• lateral flexion
• extension

Both:
extension

Question 8

Muscles of the Cervical region

Answer 8

Anterior Scalene
Middle Scalene
Posterior Scalene
Levator Scapulae
Longus Coli (also part of upper thoracic region)

Question 9

Anterior Scalene origin

Answer 9

1st rib

Question 10

Anterior Scalene insertion

Answer 10

transverse processes of cervical vertebrae

Question 11

Anterior Scalene actions

Answer 11

Single:

• lateral flexion
• flexion

both: flexion

Question 12

Middle Scalene origin

Answer 12

1st rib

Question 13

Middle Scalene insertion

Answer 13

transverse processes of cervical vertebrae

Question 14

Middle Scalene actions

Answer 14

One Side:
-lateral side

Both Sides:
-stabilization

Question 15

Posterior Scalene origin

Answer 15

2nd rib

Question 16

Posterior Scalene insertion

Answer 16

transverse processes of cervical vertebrae

Question 17

Posterior Scalene actions

Answer 17

Single:
-lateral flexion

Both:
-extension

Question 18

Levator Scapulae origin

Answer 18

superior, vertebral border of scapula

Question 19

Levator Scapulae insertion

Answer 19

transverse processes of cervical vertebrae

Question 20

Levator Scapulae action

Answer 20

One:
-lateral flexion
-extension
Both:
-extension

Question 21

Longus Coli origin

Answer 21

-anterior, lateral surfaces of lower cervical vertebrae

and upper thoracic vertebrae

Question 22

Longus Coli insertion

Answer 22

anterior, lateral surfaces of higher cervical vertebrae

Question 23

Longus Coli action

Answer 23

One:
-flexion of cervical vertebrae
-weak rotation
Both:
flexion of cervical vertebrae

Question 24

Rectus Abdominis origin

Answer 24

costal cartilage of lower ribs

Question 25

Rectus Abdominis insertion

Answer 25

pubic bone

Question 26

Rectus Abdominis action

Answer 26

lower abdomen:

• flexion
• stabilization

Question 27

External Oblique origin

Answer 27

lateral surface of ribs

Question 28

External Oblique insertion

Answer 28

linea alba

Question 29

External Oblique action

Answer 29

Single side:

• contralateral (opposite) flexion
• flexion of lower abdomen

Question 30

Internal Oblique origin

Answer 30

linea alba

Question 31

Internal Oblique insertion

Answer 31

iliac crest

-posterior thoracolumbar fascia

Question 32

Internal Oblique action

Answer 32

Single side:
- ipsilateral (same) rotation
Both sides:
-flexion of lower abdomen

Question 33

Transversus Abdominis origin

Answer 33

thoracolumbar fascia

Question 34

Transversus Abdominis insertion

Answer 34

linea alba

Question 35

Transversus Abdominis actions

Answer 35

Purely stabilization

Question 36

Quadratus Lumborum origin

Answer 36

iliac crest

Question 37

Quadratus Lumborum insertion

Answer 37

transverse processes of lumbar vertebrae

Question 38

Quadratus Lumborum action

Answer 38

One side:
-lateral flexion
Both sides:
-extension of vertebral column

Question 39

Psoas Major origin

Answer 39

vertebral bodies of lumbar vertebrae

Question 40

Psoas Major insertion

Answer 40

lesser trochanter of femur

Question 41

Psoas Major action

Answer 41

hip flexion

Question 42

Psoas Minor origin

Answer 42

vertebral bodies of lumbar vertebrae

Question 43

Psoas Minor insertion

Answer 43

pubic bone

Question 44

Psoas Minor action

Answer 44

lumbar vertebral flexion