Upper Limb

Front 1

Which four muscles make up the rotator cuff?

Back 1

Supraspinous, infraspinous, teres minor, and subscapularis

Front 2

The upper lateral region of the arm is part of which dermatome?

Back 2

C5

Front 3

The palmar pad of the thumb is part of which dermatome?

Back 3

C6

Front 4

The pad of the index finger is part of which dermatome?

Back 4

C7

Front 5

The pad of the little finger is part of which dermatome?

Back 5

C8

Front 6

The skin on the medial aspect of the elbow is part of which dermatome?

Back 6

T1

Front 7

Abduction of the arm at the glenohumeral joint is controlled by which spinal nerve?

Back 7

C5

Front 8

Flexion of the forearm at the elbow joint is controlled by which spinal nerve?

Back 8

C6

Front 9

Extension of the forearm at the elbow joint is controlled by which spinal nerve?

Back 9

C7

Front 10

Flexion of the fingers is controlled by which spinal nerve?

Back 10

C8

Front 11

Abduction and adduction of the index, middle, and ring fingers is controlled by which spinal nerve?

Back 11

T1

Front 12

All muscles in the anterior compartment of the arm are innervated by which nerve?

Back 12

Musculocutaneous

Front 13

The ______ nerve innervates all but two of the muscles in the anterior compartment of the forearm.

Back 13

median

Front 14

The two muscles in the anterior compartment not innervated by the median nerve are what?

Back 14

Flexor carpi ulnaris and the medial half of the flexor digitorum profundus

Front 15

The flexor carpi ulnaris and the medial half of the flexor digitorum profundus are innervated by which nerve?

Back 15

ulnar

Front 16

Most intrinsic muscles of the hand are innervated by the _____ nerve, except for the thenar muscles and two lateral lumbrical muscles, which are innervated by the ______ nerve.

Back 16

ulnar; median

Front 17

all muscles in the posterior compartments of the arm and forearm are innervated by the ______ nerve.

Back 17

radial

Front 18

The skin on the anterolateral side of the forearm is innervated by the ______ nerve.

Back 18

musculocutaneous

Front 19

The palmar surface of the lateral three and one-half digits is innervated by the ______ nerve.

Back 19

median

Front 20

The skin on the medial one and one-half digits are innervated by the ______ nerve.

Back 20

ulnar

Front 21

The skin on the posterior surface of the forearm ad dorsolateral surface of the hand is innervated by the _____ nerve.

Back 21

radial

Front 22

A fracture of the surgical neck of the humerus may injure which nerve?

Back 22

axillary

Front 23

A fracture of the middle of the humerus may damage which nerve?

Back 23

radial

Front 24

A fracture near the medial epicondyle of the humerus may damage which nerve?

Back 24

ulnar

Front 25

The superficial veins on the back of the hand make up the ______ ______ network.

Back 25

dorsal venous

Front 26

Blood is most commonly drawn from which vein?

Back 26

median cubital

Front 27

The pectoral girdle is formed by which two bones?

Back 27

clavicle and scapula

Front 28

Which are the superficial muscles of the shoulder?

Back 28

trapezius and deltoid

Front 29

What forms the boundaries of the quadrangular space?

Back 29

-the inferior margin of subscapularis
-the surgical neck of the humerus
-the superior margin of teres major
-the lateral margin of the long head of triceps brachii

Front 30

What forms the boundaries of the triangular space?

Back 30

-the medial margin of the long head of the triceps brachii
-the superior margin of teres major
-the inferior margin of subscapularis

Front 31

The long head of biceps brachii originates where?

Back 31

supraglenoid tubercle of scapula

Front 32

The short head of biceps brachii originates where?

Back 32

apex of coracoid process

Front 33

Biceps brachii inserts where?

Back 33

radial tuberosity

Front 34

The coracobrachialis originates where?

Back 34

apex of coracoid process

Front 35

the coracobrachialis inserrts where?

Back 35

the mid-shaft of the humerus, medial side

Front 36

the biceps brachii is innervated by which nerve?

Back 36

musculocutaneous

Front 37

the coracobrachialis is innervated by which nerve?

Back 37

musculocutaneous

Front 38

which artery originates from the first part of the axillary artery?

Back 38

superior thoracic

Front 39

which arteries originate from the second part of the axillary artery?

Back 39

thoraco-acromial
lateral thoracic

Front 40

which arteries originate from the third part of the axillary artery?

Back 40

subscapular
anterior circumflex humeral
posterior circumflex humeral

Front 41

the basilic and cephalic veins feed into what larger vein?

Back 41

axillary

Front 42

the brachial plexus is formed by the _____ rami of spinal nerves ____ to ____ and ____.

Back 42

anterior; C5-C8 and T1

Front 43

the dorsal scapular nerve originates from the ____ root of the brachial plexus

Back 43

C5

Front 44

what nerve innervates the rhomboid major and minor muscles?

Back 44

dorsal scapular

Front 45

the long thoracic nerve originates from the ___ to ____ roots of the brachial plexus

Back 45

C5 to C7

Front 46

the long thoracic nerve innervates what?

Back 46

serratus anterior

Front 47

the branches of the lateral cord are:

Back 47

lateral pectoral nerve, musculocutaneous nerve, and lateral root of median nerve

Front 48

the branches of the medial cord are:

Back 48

medial pectoral nerve, medial brachial cutaneous nerve, medial antebrachial cutaneous nerve, medial root of median nerve, and ulnar nerve

Front 49

the branches of the posterior cord of the brachial plexus are:

Back 49

superior subscapular nerve, thoracodorsal nerve, inferior subscapular nerve, axillary nerve, and radial nerve

Front 50

the humeral condyle that articulates with the radius of the forearm is the _______

Back 50

capitulum

Front 51

the humeral condyle that articulates with the ulna of the forearm is the ______.

Back 51

trochlea

Front 52

the _____ of the ulna can be palpated as the 'tip of the elbow'

Back 52

olecranon

Front 53

the brachialis originates where?

Back 53

anterior aspect of humerus and adjacent intermuscular septae

Front 54

the brachialis inserts on what?

Back 54

the ulnar tuberosity

Front 55

the brachialis is innervated by which nerve?

Back 55

musculocutaneous

Front 56

where does the triceps brachii originate?

Back 56

long head - infraglenoid tubercle of scapula
medial and lateral heads - posterior surface of humerus

Front 57

the triceps brachii inserts where?

Back 57

olecranon

Front 58

the triceps brachii is innervated by which nerve?

Back 58

radial