Anat - Upper Limb

Front 1

is the lateral or medial facet of the clavicle the flatter end?

Back 1

the medial facet is flatter

Front 2

what 2 muscles attach to the lateral border of the scapula?

Back 2

1. teres minor
2. teres major

Front 3

what are the 3 muscles that attach to teh coracoid process of teh scapula?

Back 3

1. short head of biceps
2. coracobrachialis
3. pectoralis minor

Front 4

muscle that attaches to supraspinous fossa?

Back 4

supraspinatus muscle

Front 5

muscle that attaches to infraspinous fossa

Back 5

infraspinatus muscle

Front 6

what attaches to the subscapular fossa (anterior surface)?

Back 6

subscapularis muscle

Front 7

muscle attachment to supraglenoid tubercle?

Back 7

long head of biceps muscle

Front 8

muscle attachment to infraglenoid tubercle?

Back 8

long head of triceps muscle

Front 9

what are the 3 muscle attachments to the greater tubercle of the humerus?

Back 9

supraspinatus, infraspinatus, teres minor

Front 10

what is the muscle attachment to the lesser tubercle?

Back 10

subscapularis

Front 11

what is the space between the proximal tubercles on the humerus called?

Back 11

intertubercular sulcus (bicipital groove) - and its medial and lateral lips

Front 12

what are the 2 structures coursing adjacent to the sugical neck of teh humerus?

Back 12

axillary nerve and posterior circumflex humoral artery and vein

Front 13

what is the vein connecting the basilic and cephalic veins in the cubital fossa?

Back 13

the median cubital vein

Front 14

what forms the anterior border of the axilla?

Back 14

pec minor and pec major

Front 15

what forms the medial (thoracic) border of the axilla?

Back 15

serratus anterior

Front 16

what innervates the serratus anterior? what is the implication if it is paralysed>?

Back 16

the long thoracic nerve
"winged scapula"

Front 17

what forms the posterior wall of the axilla?

Back 17

subscapularis
teres major
tendon of latissimus dorsi

Front 18

what forms the lateral wall of the axilla?

Back 18

tendon of the long head of the biceps and intertubercular groove

Front 19

what passes through the quadrangular space?

Back 19

axillary artery and posterior circumflex humoral vessels

Front 20

what passes through the triangular space?

Back 20

circumflex scapular vessels

Front 21

what passes through the triangular interval

Back 21

radial nerve
profunda brachii vessels

Front 22

what arteries branch off the 2nd part of the axillary artery?

Back 22

thoracoacromial artery
lateral throacic artery

Front 23

what arteries branch off the 3rd part of the axillary artery?

Back 23

anterior circumflex humoral artery
posterior circumflex humoral artery
subscapular artery (which gives rise to circumflex scapular artery)

Front 24

what does the deltoid muscle insert into?

Back 24

deltoid tuberosity

Front 25

what is the muscle a/w the medial epicondyle of the humerus?

Back 25

the common flexor ORIGIN

Front 26

what is the muscle a/w the lateral epichondyle of the humerus?

Back 26

common extensor origin

Front 27

what is the fossa lying above the trochlea on the humerus called?

Back 27

coronoid fossa

Front 28

what is the fossa lying above teh capitulum on the humerus called?

Back 28

radial fossa

Front 29

is the trochlea of the humerus on the medial or lateral side?

Back 29

medial side

Front 30

what muscle is a/w with the olecranon of the ulna?

Back 30

attachment of triceps brachii tendon

Front 31

what fits in to the coronoid and radial fossa of the humerus?

Back 31

the coronoid notch and the radial notch of the ULNA (radius doensn't do shit)

Front 32

what attaches onto the ulnar tuberosity?

Back 32

brachialis muscle

Front 33

what attaches to the radial tuberosity of the radius?

Back 33

biceps brachii tendon

Front 34

what are the 2 ligaments at the elbow joint called

Back 34

radial collateral ligament
ulnar collateral ligament

Front 35

contents of the cubital fossa

Back 35

1 vein, 1 artery, 1 nerve, 1 tendon:
-median cubital vein
-brachial artery
-median nerve
-biceps tendon

Front 36

what forms the medial border of the cubital fossa?

Back 36

pronator teres

Front 37

what forms the lateral border of the cubital fossa?

Back 37

brachialis

Front 38

what forms the floor of the cubital fossa

Back 38

brachialis and supinator muscles

Front 39

what is the annular ligament?

Back 39

forms a ring around the head of the radius

Front 40

what muscles does the anterior interosseus nerve (of the median nerve) supplyy?

Back 40

the deep muscles for the arm:
1. LATERAL ASPECT of flexor digitorum profundus
2. flexor pollicis longus
3. pronator quadratus

Front 41

what is the innervation of flexor digitorum profundus?

Back 41

lateral aspect = anterior interosseus branch of median nerve
medial aspect = ulnar nerve

Front 42

what do the common digital branches of the MEDIAN nerve supply?

Back 42

1st and 2nd lumbrical muscles
thenar muscles
skin of the first 3.5 digits

Front 43

waht supplies teh pronator quadratus?

Back 43

the anterior interosseus nerve (branch of median nerve)

Front 44

starting at the ulnar artery, list the branches

Back 44

ulnar artery --> common interosseus artery --> ant. and post. interosseus arteries

Front 45

if you see a vein in teh deltopectoral groove, which will it be?

Back 45

the cephalic vein. This is where it pierces the deep fascia and empties into the axillary vein

Front 46

where do the lateral and medial pectoral nerves come off of?

Back 46

lateral pectoral nerve = lateral cord (before it gives rise to teh musculocutaneous nerve)

medial pectoral nerve = medial cord (before it gives rise to the ulnar nerve)

Front 47

name one function of the pec major

Back 47

adduction

Front 48

name one function of the pec minor

Back 48

puills the shoulder tip down

Front 49

name one function of the subclavius muscle

Back 49

pulls the shoulder tip down

Front 50

name one function of serratus anterior

Back 50

protraction and rotation of the scapula

Front 51

innervation of pec major

Back 51

lateral and medial pectoral nerves

Front 52

innervation of pec minor

Back 52

medial pectoral nerve

Front 53

waht is the innervation of serratus anterior?

Back 53

long thoracic nerve

Front 54

what does the axilary nerve innervate?

Back 54

teres minor and deltoid

Front 55

what is the deltoid innervated by?

Back 55

axillary n

Front 56

what is teres minor innervated by? (NOT PEC...we're talking about TERES!)

Back 56

axillary nerve

Front 57

which is the largest branch of the axillary artery?

Back 57

subscapular artery

Front 58

what is the fate of the subscapular artery?

Back 58

gives off the circumflex scapulary artery which then travels through the triangular space.

Front 59

where is the suprascapular artery located? and what is it a branch of?

Back 59

is it located above the superior transverse ligament (suprascapular notch). It is a branch of the subclavian artery.

Front 60

what are the branches of the posterior cord?

Back 60

STAR:
subscapular nerves (superior and inferior n)
Thoracodorsal nerve (to latissimus dorsi)
Axillary nerve
Radial nerve

Front 61

what segments correspond to the long thoracic nerve?

Back 61

C5,6,7

Front 62

Branches of the medial and lateral cords (only the ones we need to know)

Back 62

LATERAL CORD
-lateral pectoral n.
-lateral root of median nerve
-musculocutaneous nerve

MEDIAL CORD
-medial pectoral nerve
-medial root of median nerve
-ulnar nerve

Front 63

list the muscles in the anterior comparement of the arm

Back 63

1. coracobrachialis
2. brachialis
3. biceps brachii (long and short heads)

Front 64

what is the origin of corachobrachialis?

Back 64

the coracoid process of the scapula

Front 65

where does the long head of the biceps brachii originate? insert?

Back 65

originates: onto the supraglenoid tubercle


insertion: biceps tendon --> radial tuberosity

Front 66

where does the short head of the biceps brachii originate? insert?

Back 66

origin: coracoid process of scapula

insert: biceps tendon --> radial tuberosity

Front 67

where does the brachialis insert?

Back 67

inserts on the ulnar tuberosity

Front 68

what innervates the anterior comparemtns of the arm?

Back 68

musculocutaneous nerve

Front 69

what are the nerves of the posterior arm?

Back 69

triceps brachii (medial, long, and lateral heads)

Front 70

where do the triceps muscles incert?

Back 70

triceps tendon --> olecranon of ulna

Front 71

anconeus origin and insertion

Back 71

origin: lateral epicondyle
insertion: olecranon of the ulna

Front 72

function of the triceps brachii

Back 72

extension of the forearm at the elbow joint

Front 73

function of anconeus

Back 73

extension of the forearm at the elbow joint

Front 74

the anterior interosseus nerve is a branch of? the posterior interosseus nerve is a branch of?

Back 74

anterior interosseus nerve: median nerve
posterior interosseus nerve: radial nerve (after the deep branch pierces the supinator it is called the posterior interosseus branch)