Upper Limb 3

Question 0

What is the common extensor tendon attached to?

Answer 0

Lateral epicondyle of humerus

Question 1

Elbow tendinitis is inflammation of what tendon?

Answer 1

Common extensor tendon

Question 2

What muscles are attached to the common extensor tendon?

Answer 2

Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Extensor carpi radialis brevis

Question 3

The muscles that are a part of the common extensor tendon are innervated by

Answer 3

Radial nerve

Question 4

What artery passes through the anatomical snuffbox?

Answer 4

Radial artery

Question 5

What are the extensors of the forearm and what are they innervated by?

Answer 5

Extensor carpi radialis longus - radial nerve

Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus
Posterior interosseus nerve

Question 6

The brachioradialis is innervated by what nerve?

Answer 6

Radial nerve

Question 7

What are the superficial flexors of the forearm

Answer 7

Brachioradialis
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

Question 8

Flexor carpi radialis is innervated by

Answer 8

Median nerve

Question 9

Palmaris longus is innervated by

Answer 9

Median nerve

Question 10

Flexor carpi ulnaris is innervated by

Answer 10

Ulnar nerve

Question 11

Median nerve supplies

Answer 11

Most flexors

Pronators

Question 12

Radial nerve supplies

Answer 12

Extensors
Supinator
Brachioradialis

Question 13

Ulnar nerve supplies

Answer 13

Flexor carpi ulnaris

Flexor digitorum profundus (part)

Question 14

Structures within carpal tunnel

Answer 14

Median nerve
Flexor digitorum superficialis tendon
Flexor digitorum profundus tendon
Flexor pollicis longus tendon

Question 15

Structures anterior to carpal tunnel

Answer 15

Ulnar artery
Ulnar nerve
Palmar branch of median nerve

Question 16

Structure posterior to carpal tunnel

Answer 16

Radial artery

Question 17

Roof and floor of carpal tunnel

Answer 17

Roof is flexor retinaculum

Floor is bones of wrist

Question 18

Carpal tunnel syndrome is compression of what nerve?

Answer 18

Median nerve

Question 19

What are the 5 compartments of the hand?

Answer 19

Thenar
Hypothenar
Adductor
Interosseus
Central

Question 20

What are the thenar muscles?

Answer 20

Opponens pollicis
Abductor pollicis brevis
Flexor pollicis brevis (superficial and deep head)

Question 21

What supplies the thenar muscles

Answer 21

Recurrent branch of median nerve (except deep head of flexor pollicis brevis is deep branch of ulnar nerve)

Question 22

What muscles are in the hypothenar compartment?

Answer 22

Abductor digiti minimi
Opponens digiti minimi
Flexor digiti minimi brevis

Question 23

What innervates the hypothenar muscles

Answer 23

Deep branch of ulnar nerve

Question 24

What muscle is in the adductor compartment

Answer 24

Adductor pollicis

Question 25

What innervates the adductor compartment?

Answer 25

Deep branch of ulnar nerve

Question 26

What muscles are a part of the interosseus compartment?

Answer 26

Palmar interosseus | Dorsal interosseus

Question 27

What innervates the interosseus compartment?

Answer 27

Deep branch of the ulnar nerve

Question 28

What muscles are in the central compartment of the hand

Answer 28

Flexor pollicis longus Flexor digitorum superficialis Lumbricals Flexor digitorum profundus

Question 29

Flexor pollicis longus is innervated by

Answer 29

Anterior interosseus branch of median nerve

Question 30

Flexor digitorum superficialis is innervated by

Answer 30

Median nerve

Question 31

Lumbricals are innervated by

Answer 31

Median nerve (lumbricals 1,2 or digits 2,3) Deep branch of ulnar nerve (lumbricals 3,4 or digits 4,5)

Question 32

Flexor digitorum profundus innervated by

Answer 32

Anterior interosseus nerve (digits 2,3) Ulnar nerve (digits 4,5)

Question 33

Superficial palmar arch is collateral of

Answer 33

Superficial palmar branch of radial artery | Ulnar artery

Question 34

Deep palmar arch is collateral circulation between

Answer 34

Radial artery | Deep palmar branch of ulnar artery

Question 35

Superficial palmar arch becomes

Answer 35

Common palmar digital artery --> proper palmar digital artery

Question 36

Deep palmar arch becomes

Answer 36

Palmar metacarpal artery

Question 37

Dermatomes

Answer 37

Sensory (afferent)

Question 38

Myotomes

Answer 38

Motor (efferent)

Question 39

Dermatomes and myotomes reflect what kind of segmentation?

Answer 39

Embryological segmentation