Arm and Cubital Fossa

Question 1

Structures in superficial fascia

Answer 1

cutaneous nn
-NOT visible thru skin= branches of brachial plexus deep to deep fascia

superficial vv
-visible thru skin= tributaries to deep vv beneath deep fascia

Question 2

Supraclavicular nn rami

Answer 2

C3 C4

Question 3

Superior Lateral Cutaneous N of arm rami

Answer 3

C5 C6; branch of axillary n

Question 4

Posterior Cutaneous N of forearm rami

Answer 4

C5-C8

Question 5

Lateral CUtaneous N of forearm rami

Answer 5

C6 C&; branch of musculocutaneous n

Question 6

Intercostobrachial n rami

Answer 6

T2

Question 7

Medial Cutaneous N of arm rami

Answer 7

C8-T2

Question 8

Posterior Cutaneous n of arm rami

Answer 8

C5 C8; branch of radial n

Question 9

Medial Cutaneous n of forearm rami

Answer 9

C8, T1

Question 10

Dorsal Venous Arch of Hand:

• drains_________ of hand
• arches across dorsal surface of hand
• tributary to both ____ and ____ vv
• dorsal vv of hand often used for __________

Answer 10

superficial dorsal vv
dorsal
cephalic and basilic vv
venipuncture= intravenous fluid injection or drawing blood

Question 11

Cephalic V:
drains ___________ aspect of UL
runs in _______________ and pierces deep fascia
tributary to _________

Answer 11

posterior lateral
deltopectoral groove
axillary v

Question 12

Basilic V:
drains ___________ aspect of UL
pierces deep fascia of arm
tributary to ________

Answer 12

anterior medial

brachial v

Question 13

Median Cubital V:
connects _____ and _______
located in _______ fossa
I. V. vein for _______

Answer 13

cephalic and basilic vv
cubital
venipuncture= intravenous fluid infections/drawing blood

Question 14

Deep Fascia of Arm:
deep fascia of arm = \_\_\_\_\_
connects to \_\_\_\_\_\_\_ by 2 fascial septa
divides arm into \_\_\_\_\_ and \_\_\_\_ compartments
clinically relevant to \_\_\_\_\_\_\_\_\_

Answer 14

brachial fascia
humerus
anterior and posterior
compartmental sundromes

Question 15

Anterior Compartment of Arm:
contains \_\_\_\_\_, \_\_\_\_\_\_\_, \_\_\_\_\_\_\_
contains \_\_\_\_\_\_\_ and 5 \_\_\_\_\_\_\_
--3 motor nn= \_\_\_, \_\_\_\_\_, \_\_\_\_\_
--2 cutaneous nn= \_\_\_\_ and \_\_\_\_\_

Answer 15

biceps brachii, coracobrachialis, brachialis mm
brachial vessels and brachial plexus nn
motor= musculocutaneous, median, and ulnar
cutaneous= medial brachial and medial antibrachial cutaneous nn ( skin of medial arm and forearm )

Question 16

Biceps Brachii m O and I

Answer 16

anterior arm:
O of long head:
supraglenoid tubercle of scapula
O of short head:
coracoid process of scapula
I: 
radial (bicipital) tuberosity of radius

Question 17

Biceps Brachii m A

Answer 17

flexes and supinates forearm ( slight arm flexion )

Question 18

Biceps Brachii m S

Answer 18

musculocutaneous n

brachial vessels

Question 19

Coracobrachialis m O and I

Answer 19

anterior arm:
O:
coracoid process
I:
medial surface of middle of humerus

Question 20

Coracobrachialis m A

Answer 20

flexes

adducts

Question 21

Coracobrachialis m S

Answer 21

musculocutaneous n

brachial vessels

Question 22

Brachialis m O and I

Answer 22

anterior arm:
O:
lower 1/2 of anterior humerus
I:
ulnar tuberosity of ulna

Question 23

Brachialis m A

Answer 23

flexes arm

Question 24

Brachialis m S

Answer 24

radial n
musculocutaneous n
brachial vessels

Question 25

Triceps Brachii m O and I

Answer 25

``` posterior arm: O of long head: infraglenoid tubercle of scapula O of lateral head: pos shaft of humerus O of medial head: pos shaft of humerus I: olecranon process of ulna ```

Question 26

Triceps Brachii m A

Answer 26

extends forearm

Question 27

Triceps Brachii m S

Answer 27

radial n | deep brachial vessels

Question 28

``` Cubital Fossa: depressed area ______ to elbow contains _____, ______, ____ ______ lie above this area (median cubital c) TAN= lateral to medial ```

Answer 28

anterior biceps brachii tendon, briachial a, median n superficial vv --a and n protected by bicipital aponeurosis

Question 29

Boundaries of Cubital Fossa: - ______=lateral border - ______=medial border - ______= superior border - ___and___= floor

Answer 29

brachioradialis m ponator teres m line btw humeral epicondyles supinator and brachialis m

Question 30

Musculocuntaneous n: - pierces _________ m to supply it - continues into ______ and _____mm - supplies all _____ and medial part of _____ - emerges btw these mm as lateral antibrhial cutaneous m ?? - -supplies skin of lateral forearm

Answer 30

coracobrachialis biceps and brachialis all biceps brachii and medial part of brachialis m

Question 31

Median n: - runs down _____ aspect of arm lateral to _____ - crosses over to medial side of it and enters ____ - runs btw superficial and deep anterior forearm m - supplies most of mm of _______ - continues under ____ to supply___ ___

Answer 31

medial, brachial a cubital fossa anterior forearm carpal tunnel to supply lateral hand

Question 32

Ulnar n: - travels posteriorly down ___ medial aspect of arm - runs in cubital tunnel btw ______ and _____ - dives deep into medial forearm w/ ____ to supply it - continues over __ __ to supply __ __ and _____

Answer 32

medial medial epicondyle and olecranon ulnar a carpal tunnel, medial hand and deepest mm of hand

Question 33

Radial n: - runs with ___ ___ a in radial groove of humerus - continues btw ___ and ___ - supplies all of __ and ____ - divides into superficial and deep branches

Answer 33

deep brachial a brachialis and brachioradialis mm triceps brachii and lateral part of brachialis m - superficial= supply skin on back of had - deep= dives to supply mm of pos forearm

Question 34

Brachial A: - direct continuation of _____ - runs from inferior border of _____ to its bifurcation - splits to ___ and ___ in cubital fossa - sends off ____ and several muscular branches - sends off ___ and ___ ___ ____ aa

Answer 34

``` axillary a teres major m radial and ulnar aa deep brachial a superior and inferior ulnar collateral aa ```