Superficial back

Question 1

Upper trapezius origin

Answer 1

External occipital protuberance; ligamentum nuchae; Spinous processes of 7th cervical and all thoracic vertebrae

Question 2

Upper trapezius insetion

Answer 2

spine of scapula; acromion; lateral 1/3 of clavicle

Question 3

upper trapezius action

Answer 3

elevation of scapula

Question 4

upper trapezius innervation

Answer 4

spinal accessory nerve (CN XI)

Question 5

upper trapezius blood supply

Answer 5

transverse cervical artery, dorsal perforating branches of posterior intercostal arteries

Question 6

Middle trapezius origin

Answer 6

external occipital protuberance; ligamentum nuchae; spinous processes of 7th cervical vertebrae and all thoracic vertebrae

Question 7

Middle trapezius insertion

Answer 7

spine of scapula; acromion; lateral 1/3 of clavicle

Question 8

middle trapezius action

Answer 8

retraction of scapula

Question 9

middle trapezius innervation

Answer 9

spinal accessory nerve (CN XI)

Question 10

Middle trapezius blood supply

Answer 10

transverse cervical artery; dorsal perforating branches of posterior intercostal arteries

Question 11

lower trapezius origin

Answer 11

external occipital protuberance; ligamentum nuchae; spinous processes of 6th cervical vertebrae and all thoracic vertebrae

Question 12

lower trapezius insertion

Answer 12

spine of scapula; acromion; lateral 1/3 of clavicle

Question 13

lower trapezius action

Answer 13

depression of scapula

Question 14

lower trapezius innervation

Answer 14

Spinal accessory nerve (CN XI)

Question 15

lower trapezius blood supply

Answer 15

Transverse cervical artery; dorsal perforating branches of posterior intercostal arteries

Question 16

Rhomboid major origin

Answer 16

Spinous processes of T2-T5

Question 17

Rhomboid major insertion

Answer 17

Medial border of scapula below rhomboid minor

Question 18

Rhomboid major action

Answer 18

elevation and retraction of scapula

Question 19

rhomboid major innervation

Answer 19

dorsal scapular nerve

Question 20

rhomboid major blood supply

Answer 20

dorsal scapular artery

Question 21

rhomboid minor origin

Answer 21

lower part of ligamentum nuchae; spinous processes of 7th cervical and 1st thoracic vertebrae

Question 22

rhomboid minor insertion

Answer 22

medial lip of scapula at base of spine

Question 23

rhomboid minor action

Answer 23

elevation and retraction of scapula

Question 24

rhomboid minor innervation

Answer 24

dorsal scapular nerve

Question 25

rhomboid minor blood supply

Answer 25

dorsal scapular artery

Question 26

levator scapulae origin

Answer 26

Transverse processes of upper four cervical vertebrae

Question 27

levator scapulae insertion

Answer 27

superior angle and upper part of medial border of scapula

Question 28

levator scapulae action

Answer 28

elevation of scapula. rotation of glenoid cavity upward

Question 29

levator scapulae innervation

Answer 29

dorsal scapular nerve

Question 30

levator scapulae blood supply

Answer 30

dorsal scapular artery

Question 31

Latissimus dorsi origin

Answer 31

spinous process of lowe 6 thorcic and all lumbar vertebrae; posterior part of iliac crest

Question 32

latissimus dorsi insertion

Answer 32

medial lip (crest of lesser tubercle) and floor at intertubercular groove of humerus)

Question 33

latissimus dorsi action

Answer 33

extension, adduction, and medial rotation of arm

Question 34

latissimus dorsi innervation

Answer 34

thoracodorsal nerve

Question 35

latissimus dorsi blood supply

Answer 35

thoracodorsal artery

Question 36

Pectoralis major clavicular head origin

Answer 36

medial 2/3 of clavicle

Question 37

pectoralis major clavicular-head insertion

Answer 37

lateral lip of intertubercular groove of humerus

Question 38

pectoralis major clavicular-head action

Answer 38

adduction and medial rotation and flexion of arm

Question 39

pectoralis major clavicular head innervation

Answer 39

medial and lateral pectoral nerves

Question 40

pectoralis major clavicular-head blood supply

Answer 40

pectoral branch of thoracoacromial artery

Question 41

pectoralis major sternal-head origin

Answer 41

sternum and costal cartilages 1-6

Question 42

pectoralis major sternal-head insertion

Answer 42

lateral lip of intertubercular groove of humerus

Question 43

pectoralis major sternal-head action

Answer 43

adduction and medial rotation of arm

Question 44

pectoralis major sternal-head innervation

Answer 44

medial and lateral pectoral nerves

Question 45

pectoralis major sternal-head blood supply

Answer 45

pectoral branch of thoracoacromial artery

Question 46

pectoralis minor origin

Answer 46

ribs 3-5

Question 47

pectoralis minor insertion

Answer 47

coracoid process

Question 48

pectoralis minor action

Answer 48

depression of shoulder; downward rotation of scapula

Question 49

pectoralis minor innervation

Answer 49

medial pectoral nerve

Question 50

pectoralis minor blood supply

Answer 50

pectoral branch of thoracoacromial and intercostal lateral thoracic arteries

Question 51

serratus anterior origin

Answer 51

ribs 1-8 on anterolateral thoracic wall

Question 52

serratus anterior insertion

Answer 52

medial border of scapula; inferior angle of scapula

Question 53

serratus anterior action

Answer 53

protraction of the scapula; holds medial border against thoracic wall

Question 54

serratus anterior innervation

Answer 54

long thoracic nerve

Question 55

serratus anterior blood supply

Answer 55

lateral thoracic artery

Question 56

Subclavius origin

Answer 56

1st rib

Question 57

subclavius insertion

Answer 57

inferior surface of clavicle

Question 58

subclavius action

Answer 58

stabilizes sternoclavicular joint

Question 59

subclavius innervation

Answer 59

nerve to subclavius

Question 60

subclavius blood supply

Answer 60

thoracoacromial and suprascapular arteries