Back

Question 1

What are the two groups of muscles of the back?

Answer 1

1) superficial muscles

2) deep muscles

Question 2

What are the superficial muscles?

Answer 2

1) trapezius
2) latissimus dorsi
3) levator scapulae
4) rhomboid minor
5) rhomboid major

Question 3

O: Trapezius

Answer 3

Occipital bone, spinous process of all cervical and thoracic vertebrae

Question 4

I: Trapezius

Answer 4

clavicle, acromion, and spine of scapula

Question 5

F: Trapezius

Answer 5

elevation, depression and retraction (adduction of scapula)

Question 6

N: Trapezius

Answer 6

CN 11

Question 7

What is the broadest muscle in the human body?

Answer 7

Latissimus dorsi

Question 8

O: Latissimus dorsi

Answer 8

lower thoracic, all lumbar vertebrae, sacral and iliac crests

Question 9

I: Latissimus dorsi

Answer 9

intertubercular groove of the humerus

Question 10

F: Latissimus dorsi

Answer 10

prime mover for extension of the femoral/humoral (shoulder) joint

Question 11

N: Latissimus dorsi

Answer 11

brachial plexus (thoracodorsal plexus)

Question 12

O: Levator scapulae

Answer 12

upper cervical vertebrae

Question 13

I: Levator scapulae

Answer 13

superior angle of scapula

Question 14

F: Levator scapulae

Answer 14

elevation of the scapula

Question 15

N: Levator scapulae

Answer 15

branch of brachial plexus

Question 16

Rhomboid minor

Answer 16

Q

Question 17

O: Rhomboid major

Answer 17

thoracic vertebrae

Question 18

I: Rhomboid major

Answer 18

medial border of scapula

Question 19

F: Rhomboid major

Answer 19

retraction and elevation of scapula

Question 20

N: Rhomboid major

Answer 20

branch of brachial plexus

Question 21

What are the deep muscles of the back?

Answer 21

1) erector spinae

2) transversospinalis

Question 22

What are the bundles that make up the erector spinae? (3)

Answer 22

1) iliocostalis
2) longissimus
3) spinalis

Question 23

O: Erector spinae

Answer 23

ribs, transverse processes, articular processes and spinous processes of vertebrae

Question 24

I: Erector spinae

Answer 24

ribs, transverse processes, and spinous processes of vertebrae

Question 25

F: Erector spinae

Answer 25

erects/straightens/extends spine

Question 26

N: Erector spinae

Answer 26

dorsal rami of spinal nerve

Question 27

What are the bundles that make up the transversospinalis? (3)

Answer 27

1) multifidus 2) semispinalis 3) rotatores

Question 28

O: Transversospinalis

Answer 28

transverse and spinous process of vertebrae

Question 29

I: Transversospinalis

Answer 29

spinous processes of vertebrae

Question 30

F: Transversospinalis

Answer 30

stabilising vertebral column, rotation of vertebral column

Question 31

N: Transversospinalis

Answer 31

dorsal rami of spinal vertebrae

Question 32

What is the prime mover for the extension of the femoral/humeral joint?

Answer 32

Latissimus dorsi