Lab Practical #1

Question 1

trapezius action

Answer 1

elevates, retracts and depresses scapula

Question 2

trapezius attachments

Answer 2

nuchal ligament, lateral side of scapula and spinous processes to T12

Question 3

trapezius innervation

Answer 3

spinal accessory nerve (CN XI)

Question 4

Latissimus dorsi actions

Answer 4

adduction, internal (medial) rotation, extension

Question 5

Latissimus dorsi attachments

Answer 5

levels T6-S5 and bicipital groove of humerus

Question 6

Latissimus dorsi innervation

Answer 6

thoracodorsal nerve

Question 7

Latissimus dorsi blood supply

Answer 7

thoracodorsal artery

Question 8

Rhomboid major & minor actions

Answer 8

retract scapula

Question 9

Rhomboid major & minor innervation

Answer 9

dorsal scapular nerve

Question 10

erector spinae (superficial) innervation

Answer 10

all innervated by dorsal primary rami

Question 11

Serratus anterior innervation

Answer 11

long thoracic nerve (injury to this causes winging of scapula)

Question 12

Serratus anterior blood supply

Answer 12

lateral thoracic artery

Question 13

deltoid actions

Answer 13

abducts arm from 15-90 degrees for middle portion

Question 14

deltoid innervation

Answer 14

axillary nerve

Question 15

deltoid blood supply

Answer 15

posterior circumflex humeral artery

Question 16

Supraspinatus

Answer 16

found on posterior superior part of scapula, above spine (supraspinous fossa) and inserts onto greater tubercle of humerus

Question 17

Supraspinatus actions

Answer 17

abducts the arm for first 15 degrees

Question 18

Supraspinatus innervation

Answer 18

suprascapular nerve

Question 19

Supraspinatus blood supply

Answer 19

suprascapular artery

Question 20

Infraspinatus

Answer 20

found on posterior inferior part of scapula, below the spine (infraspinous fossa) and inserts onto greater tubercle of humerus

Question 21

Infraspinatus action

Answer 21

lateral rotation of humerus

Question 22

Infraspinatus innervation

Answer 22

suprascapular nerve

Question 23

Infraspinatus blood supply

Answer 23

suprascapular artery

Question 24

Infraspinatus blood supply

Answer 24

suprascapular artery

Question 25

Teres minor action

Answer 25

lateral rotation of humerus

Question 26

Teres minor innervation

Answer 26

axillary nerve

Question 27

flexor carpi radialis action

Answer 27

flexes & abducts wrist

Question 28

flexor carpi radialis innervation

Answer 28

median nerve

Question 29

palmaris longus innervation

Answer 29

median nerve

Question 30

flexor carpi ulnaris action

Answer 30

flexes & adducts wrist

Question 31

flexor carpi ulnaris innervation

Answer 31

ulnar nerve

Question 32

Flexor digitorum superficialis

Answer 32

“superficialis split”

Question 33

Flexor digitorum profundus

Answer 33

“Profundus pierce”

Question 34

triceps brachii (3 heads) action

Answer 34

extension of arm and forearm

Question 35

triceps brachii innervation

Answer 35

radial nerve

Question 36

triceps brachii blood supply

Answer 36

deep brachial artery

Question 37

gluteus maximus

Answer 37

gluteal muscle

Question 38

great saphenous vein

Answer 38

medial position; branchy

Question 39

sciatic nerve

Answer 39

thick boi in middle

Question 40

hamstrings (3)

Answer 40

• biceps femoris
• semitendinosus
• semimembranosus

Question 41

biceps femoris

Answer 41

big boi on lateral side

Question 42

semitendinosus

Answer 42

middle boi in posterior thigh

Question 43

semimembranosus

Answer 43

boi on the medial side of body (in the inside)

Question 44

brachial artery

Answer 44

upper limb that branches

Question 45

radial artery

Answer 45

branch closer to thumb

Question 46

ulnar artery

Answer 46

branch closer to pinky

Question 47

ulnar nerve

Answer 47

nerve that goes by the elbow

- flexor carpi ulnaris

Question 48

median nerve

Answer 48

nerve between superficialis and profundus

- flexor carpi radialis & palmaris longus