Exam 1 Spaces

Question 1

scapular notch w/ superior transverse scapular ligament

Answer 1

suprascapular artery –> over the ligament

suprascapular nerve –> under the ligament

Question 2

inferior transverse scapular ligament

Answer 2

dorsal scapular artery and dorsal scapular nerve run under the ligament

Question 3

quadrangular space borders

Answer 3

superior –> teres minor

medial –> long head of the triceps

lateral –> lateral head of the triceps

inferior –> teres major

Question 4

quadrangular angle contents

Answer 4

axillary nerve

posterior circumflex artery

Question 5

triangular space borders

Answer 5

superior –> teres minor

inferior –> teres major

lateral –> long head of the triceps

Question 6

triangular space contents

Answer 6

circumflex scapular artery

Question 7

dectopectoral triangle boundaries

Answer 7

superior –> clavicle

medial –> pec major

lateral –> deltoid

Question 8

dectopectoral triangle contents

Answer 8

cephalic vein and deltoid branch of thoracocolumbar trunk

Question 9

triangular interval boundaries

Answer 9

superior –> teres major

lateral –> lateral head of the triceps

medial –> long head of the triceps

Question 10

triangular interval contents

Answer 10

radial nerve

profunda brachii artery

Question 11

cubital fossa boundaries

Answer 11

roof –> skin, subcutaneous tissue, brachial fossa, bicipital aponeurosis

superior–> imaginary line connecting medial and lateral epicondyles of the humerus

medial –> pronator teres

lateral –> brachioradialis

floor –> brachialis and supinator

Question 12

contents of cubital fossa

Answer 12

basilic, cephalic and median cubital veins
biceps brachii tendon
brachial artery
median nerve

Question 13

axilla boundaries

Answer 13

apex -> lateral margin of 1st rib, clavicle, superior margin of the subscapularis

base –> skin of armpit, subcutaneous tissue, axillary fascia

anterior –> pec major and minor

posterior –> subscapularis, teres major, latissimus dorsi

medial –> upper thoracic wall

lateral –> bicipital groove

Question 14

axilla contents

Answer 14

lymphatic vessels and lymph nodes

axillary artery (and its branches)

axillary vein

brachial plexus

Question 15

anatomical snuffbox boundaries

Answer 15

lateral –> abductor pollicis longus tendon, extensor pollicis brevis

medial —> extensor pollicis longus tendon

Question 16

anatomical snuffbox contents

Answer 16

radial artery

cephalic vein

lateral antebrachial cutaneous nerve

superficial branch of radial nerve

Question 17

structures passing the flexor retinaculum superficial

Answer 17

palmaris longus tendon, ulnar artery, ulnar nerve, flexor carpi ulnaris tendon

Question 18

structures passing through the flexor retinaculum deep

Answer 18

carpal tunnel –> flexor digitorum superficialis tendons, flexor digitorum profundus tendons, flexor pollicis longus tendon, median nerve

compartment of flexor carpi radialis tendon –> flexor carpi radialis tendon

Question 19

compartments under extensor retinaculum

Answer 19

1. abductor pollicis longus and extensor pollicis brevis
2. extensor carpi radialis longus, extensor carpi radialis brevis
3. extensor pollicis longus
4. extensor digitorum, extensor indicis
5. extensor digiti minimi
6. extensor carpi ulnaris

Question 20

thenar compartment contents

Answer 20

tendon of flexor pollicis longus, thenar muscles except adductor pollicis (abductor pollicis brevis, flexor pollicis brevis, oppens pollicis), recurrent branch of median nerve

Question 21

hypothenar compartment contents

Answer 21

hypothenar muscles (abductor digiti minimi, flexor digiti minimi, oppens digiti minimi)

deep branch of ulnar nerve

Question 22

adductor interossei compartment

Answer 22

adductor pollicis, interossei

Question 23

dorsum

Answer 23

tendons of extensor digitorum, extensor indicis, extensor digiti minimi, extensor pollicis brevis, dorsal carpal arch and branches

Question 24

central compartment contents

Answer 24

flexor tendons of fingers, lumbricals, superficial palmar arch, digital vessels and nerves (ulnar and median N.)