Rfums Hand Clinical Anatomy

Front 1

What is cutaneous innervation of the one 1/2 medial most fingers and ulnar side of the palm and wrist on palmar side?

Back 1

Ulnar nerve

Front 2

On palmar side, what nerve supplies the three and one half fingers and the lateral half of the palm and wrist?

Back 2

Median Nerve

Front 3

On dorsum, what nerve supplies the 1 1/2 medial fingers and half of back of hand and ulnar side of wrist?

Back 3

Ulnar Nerve

Front 4

On dorsum, what nerve supplies the lateral half of the back of the handon lateral side?

Back 4

Radial Nerve

Front 5

On dorsum, what does median nerve supply to hand?

Back 5

distal posterior tips of first 3 1/2 fingers

Front 6

Patient comes in with flaccidity in inability to use fingers. What nerve is damaged?

Back 6

Ulnar

Front 7

What is the hypothenar compartment?

Back 7

Base of little finger and contains four muscles

Front 8

Describe the thenar compartment.

Back 8

Base of thumb- 3 muscles

Front 9

Describe the central compartment of the palm

Back 9

Covered by palmar aponeurosis and contains long flexor tendons nerves and vasculature

Front 10

What is the adductor compartment?

Back 10

Deepest muscular plane of the hand containing the adductur pollicis muslce

Front 11

True or False, extensor tendon sheaths run over the extensor retinaculum

Back 11

False

Front 12

What do the palmar side muscles do?

Back 12

ADductors

Front 13

What do the dorsal side muscles do?

Back 13

ABductors

Front 14

What arteries supply the dorsal carpal rete system?

Back 14

Radial artery

Front 15

What Arteries do the dorsal carpal rete system give off?

Back 15

Dorsal metacarpal arteries and tiny dorsal digital arteries.

Front 16

What tendons eventually turn into the extensor hood?

Back 16

Extensor digitorum tendons

Front 17

What muscles insert on the extensor expansion (hood)

Back 17

Lumbrical and interossei muscles

Front 18

What may happen to damage of the extensor digitorum?

Back 18

Mallet finger- distal phalanx flexed, unable to extend at distal IP joint.

Front 19

Describe Dorsal Interossei Muscles.

Back 19

O- four muslces with two heads each- on med/lat side of fingers
I radial side index and middle, ulnar side middle and fourth
F- abducts middle three fingers
N- Ulnar

Front 20

What is dupuytren's contracture?

Back 20

Progressive shortening and thickening of palmar fascia and aponeurosis. Common in older men.

Front 21

What does ulnar nerve damage cause in hand?

Back 21

Claw hand

Front 22

What does median nerve damage to hand?

Back 22

Ape hand

Front 23

What nerve innervates thenar compartment muscles?

Back 23

Recurrent branch of the median nerve

Front 24

What does the superficial branch of the ulnar nerve do?

Back 24

It is sensory, supplies the medial palm and half of the 4th digit/digiti minimi surface.

Front 25

What does the deep branch of the ulnar nerve do?

Back 25

Motor- innervates hypothenar muslces, 3rd and 4th lumbricals, the adductor pollicis, all of the interossei muslces and sensory innervation to the joints.

Front 26

What does the superficial palmar arterial arch branch off to?

Back 26

Three common palmar digitial arteries and a digital artery to the digiti minimi.

Front 27

Where does superficial palmar arterial arch come from?

Back 27

Ulnar artery continuation

Front 28

Where does the deep palmar arch come from?

Back 28

Continuation of the radial artery.

Front 29

What branches do the deep palmar arch give off?

Back 29

Princeps pollicis and radialis indicis and three palmar metacarpal arteries.

Front 30

What do lumbrical muscles do?

Back 30

They flex the metacarpal-phalangeal joint and give a bye bye wave.

Front 31

What are the lateral 2 lumbricals innervated by?

Back 31

Median nerve

Front 32

What are the medial two lumbricals innervated by?

Back 32

Ulnar nerve

Front 33

What allows the simultaneous flex of MP and extension of IP joints?

Back 33

The lever action of the lumrical insertion on the extensor digitorium tendon.

Front 34

What is deep to the lumbrical muscles?

Back 34

Midpalmar fascia lined space and the adductor pollicis muscle compartment.

Front 35

What is below the Adductor pollicis muscle compartment in hand?

Back 35

Deep palmar arterial arch and deep branch of ulnar nerve

Front 36

Describe adductor pollicis muscle

Back 36

O-Carpal/metacarpal bones
I-Medial proximal phalanx of thumb
N-Ulnar
A- ADducts thumb

Front 37

What is below the deep palmar arterial arch

Back 37

Palmar interossei muscles- PAD- palmar adductors

Front 38

Describe palmar interossei muscles

Back 38

O-Metacarpal bones
I- Extensor expansions of digits and bases of proximal phalanges of digits- 2 4 5.
N- Ulnar
A- ADducts digits 2 4 5

Front 39

What is the fleshy pad at base of thum called?

Back 39

Thenar eminence

Front 40

What are all the muscles in the thenar eminence region innervated by?

Back 40

Recurrent branch of median nerve

Front 41

Where is the hypothenar eminence and what innervates this area?

Back 41

Little finger side of palm- Ulnar nerve

Front 42

What muscles lie in the hypothenar eminence area?

Back 42

Abductor digiti minimi, flexor digiti minimi, and opponens digiti minimi.

Front 43

What muscles are in the Thenar eminence area?

Back 43

Flexor pollicis brevis, abductor pollicis brevis and opponens pollicis.

Front 44

Describe the abductor pollicis brevis

Back 44

O- Carpal bones
I- base of proximal phalanx on lateral side
N- Median
A- Abducts thumb

Front 45

Describe the Flexor Pollicis Brevis

Back 45

O- Flexor retinaculum, carpal bones
I- Base of proximal phalanx of thum
N- Median
A- Flexes thumb

Front 46

What tendon is associated with small sesamoid bon?

Back 46

Flexor pollicis brevis

Front 47

Describe Opponens Pollicis

Back 47

O- Carpal bones
I- Lateral or radial side of first metacarpal body
N- Median
A- oppose thumb to another finger

Front 48

Describe abductor digiti minimi

Back 48

O- Carpal bones
I- Medial side of base of Proximal phalanx
N- Ulnar
A- abducts fifth digit

Front 49

Describe flexor digiti minimi

Back 49

O- Carpal bones
I- Palmar proximal phalanx
N- Ulnar
A- Flexes proximal phalanx of the fifth digit

Front 50

Describe opponens digiti minimi-

Back 50

O- Carpal bones
I- body of fifth metacarpal
N- Ulnar
A- Draws little finger into opposition with thumb

Front 51

What happens if there is ulnar nerve damage at medial epicondyle?

Back 51

Imparied AB or ADduction of medial four fingers

Front 52

What is the only thumb muscle innervated by ulnar nerve?

Back 52

Adductor pollcis

Front 53

What happens if there is long standing ulnar nerve damage?

Back 53

Claw hand

Front 54

What happens with long standing median nerve damage?

Back 54

Ape hand

Front 55

What muscles elevate the scapula?

Back 55

Levator scapula, rhomboid minor and major, and upper traps.

Front 56

What muscles depress the scapula?

Back 56

Pec minor, lower pec major, lower trap, lower serrat. anterior

Front 57

What muscles abduct and protract scapula?

Back 57

Pec minor and serratus anterior.

Front 58

What muscles adduct/retract scapula?

Back 58

Rhomboid minor, major, and middle trap, and lat dorsi indirectly.

Front 59

What muscles superior/upward rotate scapula?

Back 59

Upper trap, lower trap, serrat anterior

Front 60

What muslces downward rotate scapula?

Back 60

Pec minor, levator scapula, rhomboid major/minor