Axilla & Arm

Question 1

the aconeus attaches from ___ to ___

Answer 1

lateral epicondyle of humerus, lateral surface of olecranon process of ulna

Question 2

the aconeus is responsible for ___

Answer 2

elbow extension

Question 3

the aconeus is innervated by the ___ nerve which originates at ___

Answer 3

radial, C7-8

Question 4

the biceps brachii short head attaches from ___ to ___ and ___

Answer 4

coracoid, radial tuberosity, deep antebrachial fascia

Question 5

the biceps brachii long head attaches from ___ to ___ and ___

Answer 5

supraglenoid tubercle of scapula, radial tubersity, deep antebrachial fascia

Question 6

biceps brachii is responsible for ___, ___, and ___

Answer 6

elbow flexion, shoulder flexion, supination of forearm

Question 7

biceps brachii is innervated by the ___ nerve which originates at ___

Answer 7

musculocutaneous, C5-6

Question 8

the brachialis attaches from ___ and ___ to ___ and ___

Answer 8

distal anterior shaft of humerus, lateral and medial intermuscular septa, coronoid process, ulnar tuberosity

Question 9

the brachialis is responsible for ___

Answer 9

flexion of elbow

Question 10

the brachialis is innervated by the ___ nerve which originates at __ and ___

Answer 10

musculocutaneous, C5-6, small branch from radial nerve

Question 11

___ attaces from corocoid process to proximal medial shaft of the humerus

Answer 11

coracobrachialis

Question 12

coracobrachialis is responsible for ___ and ___

Answer 12

shoulder ADD, flexion

Question 13

coracobrachialis is innervated by ___ which originates from ___

Answer 13

musculocutaneous, C5-6

Question 14

___ attaches from infraglenoid tubercle of the scapula to olecranon process of ulna

Answer 14

triceps brachii long head

Question 15

___ attaches from proximal posteroilateral shaft of humerus to olecranon process of ulna

Answer 15

triceps brachiii lateral head

Question 16

___ attaches from the distal posteromedial shaft of the humerus to the olecranon process of the humerus

Answer 16

triceps brachii medial head

Question 17

the triceps brachii is responsible for ___ and ___

Answer 17

extension of elbow, extension of shoulder (long head)

Question 18

triceps brachii is innervated by the __ nerve which originates from ___

Answer 18

radial, C6-T1

Question 19

name the 6 boundaries of the axilla

Answer 19

1st rib/clavicle, skin of armpit, pectoral muscles, scapula/subscapularis, serratus anterior, huermus

Question 20

name the contents of the axilla

Answer 20

axillary artery, axillary vein, axillary lymph nodes, 3 cords of brachial plexus

Question 21

dorsal scapular nerve spinal cord segment is ___

Answer 21

C4-5

Question 22

the subclavian nerve spinal cord segment is ___

Answer 22

C5-6

Question 23

the suprascapular nerve spinal cord segment is ___

Answer 23

C4-6

Question 24

the lateral pectoral nerve spinal cord segment is ___

Answer 24

C5-7

Question 25

the long thoracic nerve spinal cord segment is ___

Answer 25

C5-7

Question 26

the musculotaneous nerve spinal cord segment is ___

Answer 26

C5-7

Question 27

the upper subscapular nerve spinal cord segment is ___

Answer 27

C5-6

Question 28

the thoracodorsal nerve spinal cord segment is ___

Answer 28

C6-8

Question 29

lower subscapular nerve spinal cord segment is ___

Answer 29

C5-6

Question 30

the axillary nerve spinal cord segment is ___

Answer 30

C5-6

Question 31

the medial pectoral nerve spinal cord segment is ___

Answer 31

C8-T1

Question 32

the medial cutaneous nerve of the arm spinal cord segment is ___

Answer 32

C8-T1

Question 33

the medial cutaneous nerve of the forearm spinal cord segment is ___

Answer 33

C8-T1

Question 34

the median nerve spinal cord segment is __

Answer 34

C5-T1

Question 35

the radial nerve spinal cord segment is ___

Answer 35

C5-T1

Question 36

the ulnar nerve spinal cord segment is ___

Answer 36

C7-T1

Question 37

location of trianglar space

Answer 37

teres minor, teres major, long head of triceps brachii

Question 38

contents of triangular space

Answer 38

circumflex scapular artery

Question 39

location of triceps hiatus

Answer 39

triceps long head, shaft of humerus, teres major

Question 40

contents of the triceps hiatus

Answer 40

profunda brachii artery, radial nerve

Question 41

arterial supply of ___ compartment is from the brachial artery

Answer 41

anterior

Question 42

aterial supply of the posterior compartment is from the ___

Answer 42

profunda brachii artery

Question 43

the ___ nerve innervates the anterior compartment

Answer 43

muscolocutaneous

Question 44

the ___ nerve innervates the posterior compartment

Answer 44

radial

Question 45

neurovascular structures harmed during a humeral fx at surgical neck

Answer 45

anterior and posterior circumflex humeral arteries, axillary nerve

Question 46

neurovascular structures harmed during a humeral fx at the radial groove

Answer 46

profunda brachii artery, radial nerve

Question 47

the function of the ___ nerve is postganglionic sympathetic and motor of levator scapulae and the rhomboid muscles

Answer 47

dorsal scapular

Question 48

the functions of the long thoracic nerve is ___ of ___

Answer 48

postganglionic sympathetic and motor, serratus anterior

Question 49

the functions of the suprascapular nerve are ___ of ___ and ___

Answer 49

postganglionic sympathetic and motor innervation, supraspinatus, infraspinatus

Question 50

the functions of the ___ nerve are sensory, postganglionic, and motor innervation to the subclavius muscle

Answer 50

subclavian

Question 51

the functions of the lateral pectoral nerve are __ of ___ and ___

Answer 51

sensory, postganglionic sympathetic, motor innervation, pectoralis major, pectoralis minor

Question 52

the functions of the muscular branches of musculotaneous nerve are ___ of the ___, ___, and ___

Answer 52

sensory, postganglionic sympathetic, motor innervation, biceps brachii, coracobrachialis, brachialis

Question 53

apical lymph nodes drains __, ___, and ___ following the ___

Answer 53

central nodes, infraclavicular nodes, lymphatic vessels, cephalic vein

Question 54

central lymph nodes drain ___, ___, and ___

Answer 54

humeral, pectoral, and subscapular nodes

Question 55

humeral lymph nodes drain ___, ___, ___, and ___

Answer 55

lateral hand and forearm, medial arm, deep tissues of forearm and arm, supratrochlear nodes

Question 56

pectoral lymph nodes drain ___and ___

Answer 56

anterior thoracic wall, breast

Question 57

subscapular lymph nodes drain ___, ___, and ___

Answer 57

posterior shoulder, posterior thoracic wall, scapular region

Question 58

the functions of the lateral cutaneous nerve of the forearm are ___ of ___

Answer 58

sensory, postganglionic sympathetic innervation, skin overlying the lateral aspect of the forearm

Question 59

the functions of the muscular branches in the forearm of the lateral root of the median nerve are ___ of ___, ___, ___, and ____

Answer 59

sensory, postganglionic sympathetic, and motor innervation, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, pronator teres

Question 60

the functions of the anterior interosseous nerve of the lateral root of the median nerve is ___ of ___, ___, and ___

Answer 60

sensory, postganglionic sympathetic, motor innervation, flexor pollicis longus, flexor digitorum profundus, pronator quadratus muscles

Question 61

the functions of the palmar cutaneous branch of the lateral root of the median nerve are ___ of ___

Answer 61

sensory and postganglionic sympathetic innervation, skin overlying the radial aspect of the palm of the hand

Question 62

the most common direction for a shoulder to dislocate is ___, likely mechanism of injury: ___, structural explanation: ___

Answer 62

anteriorly, FOOSH in shoulder abduction and ER, lack of ligamentous structures at the anterior surface

Question 63

the functions of the common and proper palmar digital nerves of the lateral root of the median nerve are __ of ___

Answer 63

sensory, postganglionic sympathetic innervation, skin overlying digits 1-4

Question 64

the functions of the muscular branches in the hand of the lateral root of the median nerve are __ of ___

Answer 64

sensory, postganglionic sympathetic,motor, lateral two lumbrical muscles

Question 65

the functions of the ___ are sensory, postganglionic sympathetic, and motor innervation of the flexor pollicis brevis, abductor pollicis brevis, opponents pollicis muscle

Answer 65

recurrent branch of the lateral root of the median nerve

Question 66

the functions of the medial pectoral nerve are ___ of the ___ and ___

Answer 66

sensory, postganglionic sympathetic, motor, pectoralis minor, pectoralis major sternocostal head

Question 67

the functions of the ___ are sensory, postganglionic sympathetic, and motor of flexor carpi radialis, palmaris longus, flexor digitorum superficialis, pronator teres

Answer 67

muscular branches in the forearm of the medial root of the median nerve

Question 68

the functions of the ___ are sensory, postganglionic sympathetic, and motor innervation of the flexor pollicis longus, flexor digitorum profundus, and pronator quadratus muscles

Answer 68

anterior interosseous nerve of the medial root of the median nerve