UPPER LIMB ANATOMY

Question 1

sterneoclavicular joint

Answer 1

saddle type

Question 2

acromioclavicular joint

Answer 2

plane type

Question 3

elbow joint (humeroulnar and radiohumeral) joints

Answer 3

hinge type

Question 4

proximal radioulnar joint

Answer 4

pivot type

Question 5

radoiocarpal joint

Answer 5

ellipsoid type

Question 6

distal radioulnar joint

Answer 6

pivot type

Question 7

what happens to the bones in the forearm during pronation?

Answer 7

radius moves over ulna

Question 8

what are the 3 ligaments in the elbow?

Answer 8

lateral collateral ligament
medial collateral ligament
annular ligament

Question 9

attachments of lateral collateral ligament

Answer 9

lateral epicondyle of humerus to annular ligament

Question 10

attachments of medial collateral ligament

Answer 10

medial epicondyle of humerus to ulna

Question 11

annular ligament wraps and surround the …..

Answer 11

radius

Question 12

joints in the hands from proximal to distal

Answer 12

carpometacarpal
metacarpalpharyngeal
proximal and distal interphalangeal joints

Question 13

name the axis-appendicular muscles on the back

Answer 13

trapezius
latissimus dorsi
rhomboid minor
rhomboid major

Question 14

innervation of trapezius

Answer 14

CNXI - spinal accessory

Question 15

latissimus dorsi innervation

Answer 15

thoracodorsal nerve

Question 16

rhomboid muscles innervation

Answer 16

dorsal scapular nerve

Question 17

name the axis-appendicular muscles on the front

Answer 17

pectoralis major
pectoralis mino
serratus anterior

Question 18

pectoralis major innervation

Answer 18

medial and lateral pectoral nerves

Question 19

pectoralis minor innervation

Answer 19

medial pectoral nerves

Question 20

serratus anterior innervation

Answer 20

long thoracic nerve

Question 21

muscles in the scapular region

Answer 21

rotator cuff

levator scapulae

Question 22

levator scapulae innervation

Answer 22

dorsal scapular nerve

Question 23

4 rotator cuff muscles

Answer 23

supraspinatus
infraspinatus
teres minor
subscapularis

Question 24

role of the rotator cuff muscles

Answer 24

hold the humerus in the glenoid fossa

Question 25

how much of the humeral head is in contact with the glenoid fossa at any one time?

Answer 25

1/3rd

Question 26

compartments of the arm

Answer 26

anterior and posterior

Question 27

muscles in anterior compartment of the arm

Answer 27

BBC biceps brachii brachialis coracobrachialis

Question 28

innervation of muscles in anterior compartment of the arm

Answer 28

musculocutaneous n.

Question 29

actions of muscles in anterior compartment of the arm

Answer 29

flexion of arm and forearm | BB also supinates forearm

Question 30

muscle in the posterior compartment of the arm

Answer 30

triceps brachii

Question 31

innervation of the muscle in the posterior compartment of the arm

Answer 31

radial n.

Question 32

action of muscle in the posterior compartment of the arm

Answer 32

extension of arm and forearm

Question 33

superficial layer of anterior compartment of the forearm

Answer 33

pronator teres flexor carpi radialis palmaris longus flexor carpi ulnari

Question 34

intermediate layer of anterior compartment of forearm

Answer 34

flexor digitorum superficialis

Question 35

deep layer of anterior compartment of forearm

Answer 35

flexor pollicus longus flexor digitorum profundus pronator quadratus

Question 36

innervations of anterior compartment of forearm

Answer 36

all median nerve except, flexor carpi ulnaris and medial half of flexor digitorum profundus = ulnar nerve

Question 37

actions of anterior compartment of forearm

Answer 37

flexion of the wrist and digits, pronation, abduction and adduction of the wrist

Question 38

7 muscles in superficial layer of posterior compartment of forearm

Answer 38

``` brachioradialis extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum extensor digiti minimi extensor carpi ulnari anoconeus ```

Question 39

5 muscles in deep layer of posterior compartment of forearm

Answer 39

``` supinator abductor pollicus longus extensor pollicus longus extensor pollicis brevis extensor indicis ```

Question 40

innervation of posterior compartment of forearm

Answer 40

radial nerve

Question 41

actions of posterior compartment of the forearm

Answer 41

extension of the wrist and digits supination abduction and adduction of the wrist

Question 42

muscles in the thenar (thumb) eminence

Answer 42

abductor pollicis brevis flexor pollicis brevis opponens brevis

Question 43

muscles in the hypothenar (little finger) eminence

Answer 43

abductor digiti minimi flexor digiti minimi brevis opponens digit minimi

Question 44

innervation of thenar eminence and what pathology can affect this area

Answer 44

recurrent branch of median nerve carpal tunnel syndrome

Question 45

innervation of the hypothenar eminence

Answer 45

deep branch of the ulnar nerve

Question 46

what the two kinds of intrinsic muscles of the hands?

Answer 46

lumbricals and interossei

Question 47

what are the lumbricals attached to

Answer 47

tendons of flexor digitorum profundus

Question 48

innervation of the lumbricals

Answer 48

medial n. for the lateral 2 | ulnar n. for the medial 2

Question 49

role of the dorsal interossei

Answer 49

abduction of digits

Question 50

role of palmar interossei

Answer 50

adduction of digits

Question 51

innervation of the interossie

Answer 51

ulnar n.

Question 52

where does the brachial plexus originate?

Answer 52

anterior rami of C5-T1

Question 53

where does the brachial plexus pass through?

Answer 53

the axilla to the medial arm

Question 54

what do the cords of the brachial plexus travel around?

Answer 54

the brachial artery

Question 55

brachial plexus

Answer 55

really tired drink coffee now ``` roots trunks divisions cords nerves ```

Question 56

roots

Answer 56

C5-T1

Question 57

trunks

Answer 57

superior middle inferior

Question 58

divisions

Answer 58

anterior and posterior for each

Question 59

joining of divisions

Answer 59

anterior of superior and middle trunks join posterior of all 3 trunks join anterior of inferior stays alone

Question 60

cords

Answer 60

lateral (2 anterior trunks) posterior (3 posterior trunks) medial (1 anterior trunk)

Question 61

nerves

Answer 61

lateral and medial -> musculocutaneous median ulnar posterior -> axillary radial