Axilla/ Brachial Plexus/ Cubital fossa

Question 1

What are the anterior boundaries of the axilla

Answer 1

pectoralis major, pectoralis minor, subclavius, claviopectoral fascia

Question 2

what are the posterior boundaries of the axilla

Answer 2

latissimus dorsi, teres major, subscapularis,

Question 3

What are the medial boundaries of the axilla

Answer 3

serratus anterior and ribs

Question 4

what are the lateral boundaries of the axilla

Answer 4

humerus, coracobrachialis, short head of the biceps

Question 5

what is the apex made up of

Answer 5

1st rib, scapula, and clavicle

Question 6

what is the claviopectoral fascia and what does it contain

Answer 6

A fascia that helps the movements of muscles aganist each other and supports the axilla. It contains the subclavius, pectoralis major, pectoralis minor, and the clavicle

Question 7

what does the axillary sheath contain

Answer 7

vessels and nerves

Question 8

what pierces the axillary sheath

Answer 8

cephalic vein

Question 9

The first part of the axillary artery is ________ to the pectoralis major

Answer 9

medial

Question 10

The second part of the axillary artery is ________ to the pectoralis major

Answer 10

deep

Question 11

The third part of the axillary artery is ________ to the pectoralis major

Answer 11

lateral

Question 12

what are the branches that come off the first part of the axillary artery? What does it supply

Answer 12

superior thoracic artery, the first two intercostal spaces

Question 13

what are the branches that come off the second part of the axillary artery

Answer 13

thoraoacromial trunk (includes the deltoid, pectoral, clavicular, acromial branches), and the lateral thoracic artery

Question 14

what does the lateral thoracic artery supply

Answer 14

serratus anterior, pectoralis muscles, axillary lymph nodes

Question 15

what are the branches that come off the third part of the axillary artery

Answer 15

subscapular artery (divides into circumflex scapular artery and thoracodorsal artery), posterior circumflex artery, anterior circumflex artery

Question 16

what does the posterior circumflex artery supply

Answer 16

deltoid and tricep muscles

Question 17

what are the 5 main groups of axillary lymph nodes

Answer 17

apical, central, lateral, posterior/subscapular, and anterior/pectoral

Question 18

the dorsal scapular nerve supplies

Answer 18

rhomboids, and levator scapulae

Question 19

the long thoracic nerve supplies

Answer 19

serratus anterior

Question 20

suprascapular nerve supplies

Answer 20

supraspinatus and infraspinatus

Question 21

subclavian nerve supplies

Answer 21

subclavius

Question 22

muscocutaneous nerve supplies

Answer 22

bicep brachii, brachialis, and coracobrachialis

Question 23

median nerve supplies

Answer 23

all flexors in the anterior forearm except flexor carpi ulnaris and flexor digitorum profundus

Question 24

radial nerve supplies

Answer 24

all extensors in the posterior forearm and arm

Question 25

thoracodorsal supplies

Answer 25

latissimus dorsi

Question 26

axillary nerve supplies

Answer 26

deltoid and teres minor

Question 27

lower subscapular nerve supplies

Answer 27

teres major and subscapularis (with upper subscapular)

Question 28

muscles of the anterior compartment of the arm

Answer 28

bicep brachii, coracobrachialis, brachialis

Question 29

the blood supply of the ______ artery supplies the anterior compartment of the arm

Answer 29

brachial artery

Question 30

the blood supply of the ________ artery supplies the posterior compartment of the arm

Answer 30

profundi brachii

Question 31

the profundi brachii runs along with the

Answer 31

radial nerve

Question 32

lateral edge of the cubital fossa

Answer 32

brachioradialis

Question 33

medial edge of the cubital fossa

Answer 33

pronator teres

Question 34

the floor of the cubital fossa

Answer 34

medial floor- brachialis// lateral floor- supinator

Question 35

the roof of the cubital fossa

Answer 35

superficial fascia of the anterior elbow

Question 36

what are the contents of the superficial layer of the cubital fossa

Answer 36

lateral and medial antebrachial cutaneous nerve, lateral and medial cutaneous nerve of the forearm, median cubital vein, basilic and cephalic veins

Question 37

what are the contents of the deep layer of the cubital fossa

Answer 37

radial nerve, bicep brachii tendon, brachial artery, portion of its terminal radial and ulnar arterial branches, median nerve, and ulnar nerve