Muscular Part 2

Question 1

The muscles we first see, more superficially located, span different areas

Answer 1

Extrinsic

Question 2

Only group of muscles known as intrinsic muscles of the spine

Answer 2

Deep

Question 3

What are their four superficial extrinsic muscles of the spine?

Answer 3

Trapezius, latissimus dorsi, levator scapulae, rhomboids (major and minor)

Question 4

What are the two intermediate extrinsic muscles of the spine

Answer 4

Serratus posterior superior, serratus posterior inferior

Question 5

What muscles in the back assist in breathing?

Answer 5

Superior and inferior serratus posterior

Question 6

Rhomboid shaped muscle in the back that extends from the base of the skill to the last thoracic vertebrae

Answer 6

Trapezius

Question 7

Where does the trapezius insert?

Answer 7

The scapula

Question 8

Is the rhomboid major location inferiority or superiorly to the rhomboid minor?

Answer 8

Inferiorly

Question 9

Muscle that covers most of mid and lower back

Answer 9

Latissimus dorsi

Question 10

Where does the latissiumus dorsi insert?

Answer 10

The anterior side of the humorous

Question 11

What are the origins of the trapezius muscle

Answer 11

Every thoracic vertebrae down to t12

Question 12

Where else does the trapezius insert into?

Answer 12

Acromion and clavicle

Question 13

Where does the latissimus dorsi originate?

Answer 13

Lower 6 thoracic vertebrae, all lumbar vertebrae, superior part of iliac crest, and the thoracolumbar fascia

Question 14

Where does the latissiumus dorsi insert?

Answer 14

Intertubecular groove

Question 15

Origin of levator scapulae

Answer 15

Transverse procesis of the first 4 cervical vertebra

Question 16

Where does the serratus posterior superior originate?

Answer 16

Ligamentum nuchae, spinous process of the 7th cervicle vertebrae, upper 3 thoracic vertebrae,

Question 17

Where does the serratus posterior superior insert?

Answer 17

Upper border of ribs 2,3,4 and 5

Question 18

What is the origin of the rhomboid muscles?

Answer 18

Spinous process of the lower cervical and upper thoracic vertebrae

Question 19

Where does the rhomboid muscle insert

Answer 19

Medial border of the scapula

Question 20

Where does the serratus posterior inferior originate?

Answer 20

Spinous process of t12 to L3

Question 21

Where does the serratus posterior inferior insert?

Answer 21

The lower border of the lower ribs 9-12

Question 22

What are the three intrinsic back muscles?

Answer 22

Selenium, erector spinae, and transversospinalis