Upper Limb

Question 1

What vessel dominantly makes the deep palmar arch?

Answer 1

Radial artery

Question 2

Levator scapulae function and innervation

Answer 2

Raises scapula

Dorsal scapula nerve

Question 3

Compartments of the forearm

Answer 3

Anterior (superficial, intermediate and deep)

Posterior (superficial and deep)

Question 4

Compartments of the arm

Answer 4

Anterior and posterior

Question 5

Muscles of thenar eminence

Answer 5

Flexor pollicis brevis
Abductor pollicis brevis
Opponents pollicis

Question 6

Innervation to muscles of the deep layer of anterior forearm?

Answer 6

Median

Question 7

Muscles of superficial layer of anterior forearm

Answer 7

P/F/P/F (lateral to medial:)
Pronator Teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

Question 8

Muscles of intermediate layer of anterior forearm

Innervation?

Answer 8

Flexor digitorum superficialis

Median

Question 9

What is the shoulder labrum?

Answer 9

Fibrous tissue around glenoid circumference

Question 10

What is a bankart tear?

Answer 10

Inferior, anterior labral tear

Question 11

Function of interossei muscles

Answer 11

DAB = dorsal muscles abduct fingers
PAD = palmar adduct fingers

Question 12

Serratus anterior innervation and site

Answer 12

Long thoracic nerve

under armpit

Question 13

Innervation to superficial posterior forearm?

Answer 13

Radial

Question 14

Teres Minor deetz

Answer 14

Origin = dorsal scapula
Insertion = greater tuberosity of humerus
Innervation = axillary (C5/C6)
Action = arm external rotation

Question 15

Muscles of hypothenar eminence

Answer 15

Abductor digiti minimi
Flexor digiti minini brevis
Opponens digiti minimi

Question 16

Subscapularus deetz

Answer 16

Origin = anterior scapula
Insertion = lesser tuberosity of humerus
Innervation = upper and lower suprascapular nerve
Action = arm internal rotation

Question 17

What are lumbrical, where do they attach, what are their function and innervation?

Answer 17

4 intrinsic hand muscles
Proximally attach anterior then distally attach posterior
Make fingers bend at MCPs to say ‘bye bye’
Medial two are median, lateral two are ulnar

Question 18

Function and innervation of anterior arm muscles

Answer 18

Flexion of arm and forearm

Musculocutaneous nerve

Question 19

Innervation of thenar eminence

Answer 19

Median

Question 20

Muscles of anterior arm

Answer 20

Biceps brachii
Brachialis
Coracobrachialis
(BBC)

Question 21

Trapezius innervation and function

Answer 21

CNXI

Moves shoulder blades up and down

Question 22

Contents of carpal tunnel

Answer 22

Flexor digitorum superficialis (x4)
Flexor digitorum profundus (x4)
Median nevre
Flexor polices longus

Question 23

Back muscles

Answer 23

Trapezius
Rhomboid (major, minor)
Serratus Anterior
latissimus dorsi
Levator scapulae

Question 24

Innervation of interossei muscles

Answer 24

all ulnar

Question 25

Muscles of deep layer of anterior forearm

Answer 25

Flexor digitorum profundus Flexor pollicis longus Pronator Quadratus!

Question 26

Muscles of the rotator cuff

Answer 26

Supraspinatous Infraspinatous Subscapularis Teres Minor

Question 27

How much of humeral head is in contact with glenoid fossa at any tie

Answer 27

1/3rd

Question 28

What are the interossei muscles of the hand

Answer 28

dorsal and palmar muscles

Question 29

Muscles of the deep layer of posterior forearm

Answer 29

``` Supinator Abductor pollicis longus Extensor pollicis longus Extensor pollicis brevis Extensor indicis ```

Question 30

Trapezius innervation

Answer 30

Accessory nerve, CNXI

Question 31

Innervation to muscles of the superficial layer of anterior forearm

Answer 31

Pronator teres = median Flexor carpi radialis = median Palmaris longus = median Flexor carpi ulnaris = ulnar

Question 32

Muscles, innervation function of posterior arm

Answer 32

Triceps brachii Radial nerve Extension of arm and forearm (crosses two joints)

Question 33

Describe arteries from heart to hand

Answer 33

Aortic arch then brachiocephalic then sublavian then axillary then brachial then splits into radial and ulnar that anastamose to form palmar arches

Question 34

Ligaments in the shoulder girdle?

Answer 34

Coracoclavicular | Coracoacromial

Question 35

Supraspinatous deetz

Answer 35

``` Origin = supraspinous fossa Insertion = greater tuberosity of humerus Innervation = suprascapular nerve (C5/C6) Action = arm abduction ```

Question 36

Infraspinatous deetz

Answer 36

``` Origin = infraspinous fossa Insertion = greater tuberosity of humerus Innervation = suprascapular nerve (C5/C6) Action = arm external rotation ```

Question 37

Innervation to deep posterior forearm?

Answer 37

Radial

Question 38

Muscles of the superficial layer of posterior forearm

Answer 38

``` Brachoradialis Extensor carpi radialis lognus Extensor carpi radialis brevis Extensor carpi ulnaris Extensor digitorum Extensor digiti minimi Aconeus ```

Question 39

Innervation of hypothenar eminence

Answer 39

Ulnar

Question 40

What vessel dominantly makes the superficial palmar arch?

Answer 40

Ulnar artery

Question 41

Rhomboid positions and innervation

Answer 41

Minor is above major | Dorsal scapular nerve