Superficial Back

Question 0

Vertebral column is composed of:

Answer 0

33 vertebral column:
7 cervical
17 thoracic 
5 lumbar
5 sacral (fused)
4 coccygeal (fused)

Question 1

Axial skeleton is composed of the:

Answer 1

Vertebral column
Rib cage
Skull
Hyoid

Question 2

Primary curvatures

Answer 2

Thoracic

Sacrococcygeal

Question 3

Secondary curvatures

Answer 3

Cervical

Lumbar

Question 4

Typical vertebra

Weight bearing

Answer 4

Body

Question 5

Typical vertebra

Protection

Answer 5

Lamina
Pedicle

Also form the vertebral arch

Question 6

Typical vertebra

Movement

Answer 6

Spinous process

Transverse process

Question 7

Typical vertebra

Obstruction of movement

Answer 7

Articulating processes

Question 8

What exits the intervertebral foramen

Answer 8

Spinal nerve exits the spinal canal

Question 9

Extrinsic muscles of the back are:

Answer 9

The superficial and intermediate muscle groups that deal with limb movement and respiration

Question 11

Origin of Latissimus Dorsi

Answer 11

Inferior part of back from T6-iliac crest

Question 12

Action of the latissimus dorsi

Answer 12

Extends, adducts, and medially rotates the arm (humerus)

Question 13

What innervates the latissimus dorsi?

Answer 13

Thoracodorsal nerve.

Question 14

Where does the levator scapulae attach?

Answer 14

To the posterior tubercles of the transverse processes of C1-4 and the vertebral border of the scapulae

Question 14

What is the action of the levator scapulae?

Answer 14

Assists the trapezius in elevating the scapulae as well as maintaining its level.

Question 15

Action of the rhomboids

Answer 15

Brace back the shoulders by retracting the scapula and maintain its level and fix it to the thoracic wall.

Question 17

What innervates the rhomboids and the levator scapulae

Answer 17

Dorsal scapular nerve and the third and fourth cervical nerve

Question 18

Attachments of the latissimus dorsi?

Answer 18

Crest of lesser tuberosity of the humerus and spinous processes of the thoracic vertebra.

Question 19

Attachment of superior fibers of the trapezius

Answer 19

Occipital bone and vertebral column and lateral, inferior third of clavicle

Question 20

Function of superior fibers of the trapezius

Answer 20

Elevates the scapula

Question 21

Attachment of middle fibers of the trapezius

Answer 21

Spinous process of cervical spine and acromion process

Question 22

Function of middle fibers of trapezius

Answer 22

Adducts the scapula

Question 23

Attachment of inferior fibers of trapezius

Answer 23

Spinous process of thoracic vertebra and scapular spine

Question 24

Function of inferior fibers of trapezius

Answer 24

Depress and adduct the scapula

Question 25

Innervation of the trapezius

Answer 25

CN XI (accessory nerve)

Question 26

Attachments of rhomboid minor

Answer 26

Spinous process of cervical vertebra and medial border of scapula above the scapular spine

Question 27

Origin of rhomboid major

Answer 27

Spinous processes of thoracic vertebra and medial border of scapula below the scapular spine