Anatomy of the Lower Limb

Question 1

what kind of joint is the shoulder

Answer 1

saddle

Question 2

what is the shoulder joint called

Answer 2

sternoclavicular

Question 3

what kind of joint is the elbow

Answer 3

hinge joint

Question 4

which joints are pivot joints?

Answer 4

proximal radioulnar joint

distal radioulnar joint

Question 5

name the only ball and socket joint of the arm

Answer 5

radiohumeral joint

Question 6

name the only joint that keeps the upper limb attached to the body

Answer 6

sternoclavicular

Question 7

name the only 2 muscles that supinate and pronate in the upper arm

Answer 7

biceps brachii

supinator

Question 8

what angle can the thumb rotate to?

Answer 8

90 degrees

Question 9

what digit corresponds to the 1st MCP joint

Answer 9

pinky

Question 10

what would crossing of the radius over the humerus on an x ray indicate?

Answer 10

pronated hand

Question 11

what is the thumb doing in abduction

Answer 11

moving away from fingers

Question 12

what is the thumb doing in extension

Answer 12

thumbs up

Question 13

innervation of trapezius

Answer 13

CNXI

Question 14

innervation of serratus antrior

Answer 14

long thoracic nerve

Question 15

innervation of rhomboid muscles

Answer 15

dorsal scapular nerve

Question 16

what muscle group do the trapezius, serratus anterior and rhomboid major/minor muscles fall under?

Answer 16

axio-appendicular muscles

Question 17

where is the levator scapulae located?

Answer 17

neck

Question 18

name the 4 rotator cuff muscles?

Answer 18

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

Question 19

easy way to remember the rotator cuff muscle attachments?

Answer 19

"SITS" as if holding on to the humerus 
S is index finger
I is middle finger
T is ring finger (all greater tub) 
S is thumb (lesser tub)

Question 20

where do the rotator cuff muscles hold the humerus?

Answer 20

glenoid fossa

Question 21

3 muscles of anterior compartment

Answer 21

biceps brachii
brachialis
coracobrachialis

Question 22

innervation of anterior compartment of arm

Answer 22

musculocutaneous nerve

Question 23

actions of the muscles of the anterior compartment of arm

Answer 23

flexion of arm and forearm

Question 24

muscles of the posterior compartment of the arm?

Answer 24

triceps brachii

Question 25

innervation of the triceps brachii

Answer 25

radial nerve

Question 26

action of the triceps brachii

Answer 26

extension of arm and forearm

Question 27

how to remember the muscles of the anterior compartment

Answer 27

BBC biceps brachii brachialis coracobrachialis

Question 28

name the 3 heads of the triceps

Answer 28

medial lateral long

Question 29

how to remember the superficial muscles of the anterior compartment of the forearm

Answer 29

PFPF place fingers over brachial region

Question 30

name the superficial muscles of the anterior forearm

Answer 30

pronator teres flexor carpi radialis palmaris longus flexor carpi ulnaris

Question 31

innervation of the forearm

Answer 31

median nerve except flexor carpi ulnaris and medial half of flexor digitorum superficialis

Question 32

muscles of the intermediate layer of the forearm

Answer 32

flexor digitorum superficialis

Question 33

muscles of the deep layer of the forearm from lateral to medial

Answer 33

flexor pollicis longus pronator quadrus flexor digitorum profundus

Question 34

which posterior muscle of the forearm is commonly referred to as the beer drinking muscle

Answer 34

brachioradialis

Question 35

name the deep muscles of the forearm from proximal to distal

Answer 35

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

Question 36

innervations of the deep portion of the forearm

Answer 36

radial nerve

Question 37

what should you think of when pollicis is mentioned?

Answer 37

thumb

Question 38

where is the thenar eminence found?

Answer 38

skin of thumb

Question 39

where is the hypothenar eminence found?

Answer 39

skin under pinky

Question 40

muscles of thenar eminence

Answer 40

abductor pollicis brevis flexor pollicis brevis opponens pollicis

Question 41

innervation of thenar eminence

Answer 41

recurrent branch of median nerve

Question 42

what is significant about the innervation of the thenar eminence?

Answer 42

it is affected by carpal tunnel syndrome

Question 43

muscles of the hypothenar eminence

Answer 43

abductor digiti minimi flexor digiti minimi brevis opponens digiti minimi

Question 44

innervation of the hypothenar eminence

Answer 44

deep branch of ulnar nerve

Question 45

what action is commonly done using the lumbrical muscles?

Answer 45

waving to a child

Question 46

easy way to remember the function of the 2 interossei muscles?

Answer 46

DAB PAD dorsal interossei- abduction palmar interossei- adduction

Question 47

what innervates the lumbricals

Answer 47

median nerve

Question 48

where does the brachial plexus originate?

Answer 48

anterior rami of C5-T1

Question 49

where does the brachial plexus go?

Answer 49

axilla to medial arm

Question 50

name the branching of nerves of the brachial plexus from proximal to distal

Answer 50

``` root trunks divisions cords nerves ```

Question 51

good way to remember branching of nerves in the brachial plexus?

Answer 51

``` Really - root Tired - trunk Drink Coffee Now ```

Question 52

name the 3 different trunks of the brachial plexus

Answer 52

superior middle inferior

Question 53

what makes up the superior trunk of the brachial plexus

Answer 53

roots of C5 and C6

Question 54

what makes up the middle trunk of the brachial plexus

Answer 54

root of C7 only

Question 55

what makes up the inferior trunk of the brachial plexus

Answer 55

root of C8 and T1

Question 56

what are the 2 different forms of divisions of the brachial plexus

Answer 56

anterior | posterior

Question 57

what makes up the lateral cord of the brachial plexus

Answer 57

anterior cords divisions of the superior and middle trunks

Question 58

what makes up the posterior cord of the brachial plexus

Answer 58

posterior divisions of the superior, middle and inferior trunks

Question 59

what makes up the medial cord of the brachial plexus

Answer 59

anterior division of the inferior trunks

Question 60

what cord makes up the ulnar nerve?

Answer 60

medial cord

Question 61

what cords make up the median nerve

Answer 61

lateral and medial cord

Question 62

what cords make up the radial nerve

Answer 62

posterior cord

Question 63

what cords make up the axillary nerve

Answer 63

posterior cord

Question 64

what cord makes up the musculocutaneous nerve

Answer 64

lateral

Question 65

what is a dermatome

Answer 65

an area of skin supplied by a single spinal nerve

Question 66

what digits are numb in carpal tunnel

Answer 66

1, 2, 3, lateral half of 4