ALS Lecture 7 - Movements and Muscles of the Hand DONE

Question 1

flexion of fingers

Answer 1

making a fist

Question 2

extension of fingers

Answer 2

making hand flat from fist

Question 3

adduction of the fingers

Answer 3

fingers move towards middle finger

Question 4

abduction of fingers

Answer 4

fingers move away from middle finger

Question 5

flexion of thumb

Answer 5

brings thumb across palm

Question 6

extension of thumb

Answer 6

moving thumb away from fingers/palm

Question 7

abduction of thumb

Answer 7

moving thumb away from palm

Question 8

adduction of thumb

Answer 8

moving thumb towards palm

Question 9

opposition of thumb

Answer 9

connect thumb to fingertip

Question 10

reposition of thumb

Answer 10

move thumb away from fingertips to its original position

Question 11

label diagrams of hand movements

Answer 11

done

Question 12

label the hand grips

Answer 12

done

Question 13

label the skeleton of the hand

Answer 13

done

Question 14

number of phalanges

Answer 14

14

Question 15

radiocarpal joint

Answer 15

radius + carpals

Question 16

carpometacarpal joints

Answer 16

carpals + metacarpals

Question 17

metacarpophalangeal joints

Answer 17

metacarpals + proximal phalanges

Question 18

proximal interphalangeal joints

Answer 18

proximal phalanges + middle phalanges

Question 19

distal interphalangeal joints

Answer 19

middle phalanges + distal phalanges

Question 20

lumbricals connect

Answer 20

profundus and superficialis tendons on radial side of each digit

Question 21

lumbrical nerve supply

Answer 21

radial 2 median nerve, ulnar 2 ulnar nerve

Question 22

label the diagrams of the lumbricals and tendons

Answer 22

done

Question 23

lumbricals function

Answer 23

flexion of metacarpophalangeal joints, keep interphalangeal joints extended

Question 24

muscles at base of thumb

Answer 24

thenar eminence

Question 25

muscles at base of little finger

Answer 25

hypothenar eminence

Question 26

label the diagrams of the thenar and hypothenar eminence

Answer 26

done

Question 27

muscles of the thenar eminence, superficial layer

Answer 27

flexor pollicis brevis, abductor pollicis brevis, opponens pollicis

Question 28

innervation of muscles of thenar eminence, superficial layer

Answer 28

median nerve

Question 29

muscles of the thenar eminence superficial layer originate at

Answer 29

flexor retinaculum on carpus

Question 30

flexor pollicis brevis movement

Answer 30

short flexor of thumb

Question 31

flexor pollicis brevis inserts into

Answer 31

base of proximal phalanx

Question 32

abductor pollicis brevis movement

Answer 32

short abductor of the thumb

Question 33

abductor pollicis brevis inserts into

Answer 33

base of proximal phalanx

Question 34

opponens pollicis movement

Answer 34

brings thumb over palm for opposition

Question 35

opponens pollicis inserts into

Answer 35

metacarpal

Question 36

label the superficial layer of the thenar eminence

Answer 36

done

Question 37

label the deep layer of the thenar emnience

Answer 37

done

Question 38

muscles of the thenar eminence, deep layer

Answer 38

adductor pollicis

Question 39

innervation of muscles of thenar eminence, deep layer

Answer 39

ulnar nerve

Question 40

the median nerve controls

Answer 40

abduction of thumb

Question 41

the ulnar nerve controls

Answer 41

adduction of thumb

Question 42

hypothenar eminence muscles

Answer 42

flexor digiti minimi, abductor digiti minimi, opponens digiti minimi

Question 43

flexor digiti minimi movement

Answer 43

short flexor of little finger

Question 44

flexor digiti minimi inserts into

Answer 44

base of proximal phalanx of little finger

Question 45

abductor digiti minimi movement

Answer 45

short abductor of little finger

Question 46

abductor digiti minimi inserts into

Answer 46

base of proximal phalanx of little finger

Question 47

opponens digiti minimi movement

Answer 47

brings little finger over palm for opposition

Question 48

opponens digiti minimi inserts into

Answer 48

metacarpal

Question 49

muscles of the hypothenar eminence are innervated by the

Answer 49

median nerve

Question 50

interosseous muscles

Answer 50

palmar interossei, dorsal interossei

Question 51

innervation of interosseous muscles

Answer 51

ulnar nerve

Question 52

palmar interossei goes from..... to.....

Answer 52

metacarpal to extensor apparatus

Question 53

palmar interossei movement

Answer 53

pull digits toward middle digit, adduction

Question 54

______ ______ has no palmar interossei

Answer 54

middle digit

Question 55

palmar interossei are on which digits?

Answer 55

2nd, 4th, 5th

Question 56

PAD

Answer 56

palmar interossei adduct

Question 57

dorsal interossei connects

Answer 57

metacarpals to those either side

Question 58

dorsal interossei pass a

Answer 58

tendon distally to extensor apparatus

Question 59

dorsal interossei movement

Answer 59

pull digits away from middle digit, abduction

Question 60

dorsal interossei go between

Answer 60

5th + 4th, 4th + 3rd, 3rd + 2nd, 2nd + 1st

Question 61

DAB

Answer 61

dorsal interossei abduct

Question 62

label the diagrams of the interossei

Answer 62

done

Question 63

label the diagrams of the interossei's movements

Answer 63

done

Question 64

median nerve supplies what in the hand?

Answer 64

radial 2 lumbricals, thenar and hypothenar eminence muscles except adductor pollicis

Question 65

ulnar nerve supplies what in the hand?

Answer 65

adductor pollicis (thenar eminence), ulnar 2 lumbricals, interosseous muscles

Question 66

median nerve supplies what in the forearm?

Answer 66

all long flexors except flexor carpi ulnaris and half of flexor digitorum profundus

Question 67

median nerve supplies sensation to

Answer 67

bottom of palm, thumb, index finger, middle finger, half of ring finger

Question 68

label the diagram of the median nerve

Answer 68

done

Question 69

if the median nerve was damaged, what would be lost motor wise?

Answer 69

abduction of thumb

Question 70

test the median nerve by asking pt to...

Answer 70

move thumb over palm then away from palm

Question 71

does the median nerve branch in the arm?

Answer 71

no

Question 72

does the ulnar nerve branch in the arm?

Answer 72

no

Question 73

ulnar nerve supplies what in the forearm?

Answer 73

flexi carpi ulnaris, half of flexi digitroum profundus

Question 74

ulnar nerve supplies what in the hand?

Answer 74

adductor pollicis

Question 75

ulnar nerve supplies sensation to

Answer 75

half of ring finger, little finger

Question 76

we can test the ulnar nerve by asking the patient to

Answer 76

hold paper between fingers, we try to pull it out (tests interossei)

Question 77

label diagram of ulnar nerve

Answer 77

done

Question 78

radial nerve supplies what in the forearm?

Answer 78

extensors

Question 79

radial nerve supplies what in the hand?

Answer 79

nothing

Question 80

damage to the radial nerve gives...

Answer 80

floppy wrist

Question 81

radial nerve supplies sensation to

Answer 81

back of hand, but only very small area only by radial nerve (see diagram)

Question 82

look at the sensation patterns for each of the 3 nerves in the hand

Answer 82

done

Question 83

label the arteries of the hand diagram

Answer 83

done

Question 84

superficial palmar arch branches to supply blood to the

Answer 84

digits

Question 85

deep palmar arch branches to supply blood to the

Answer 85

thumb