Wrist And Hand

Front 1

Number of carpal bones

Back 1

8

Front 2

Proximal row (lateral to medial): SoL Try P

Back 2

Scaphoid
Lunate
Triquetrum
Pisiform

Front 3

Distal row (lateral to medial) Time to C Hand

Back 3

Trapezium
Trapezoid
Capitate
Hamate

Front 4

One of most important carpal bones

Back 4

Scaphoid

Front 5

Most palpable carpal bone

Back 5

Pisiform

Front 6

Thumb has __ bones, everything else has ___ (#)

Back 6

2; 3

Front 7

Ligaments sprained or strained?

Back 7

Sprained

Front 8

Muscles sprained or strained

Back 8

Strained

Front 9

Radial a. pulse just lateral to _____ tendon

Back 9

Flexor carpi radialis

Front 10

Pronation occurs in what portion of bones

Back 10

Proximal 1/3

Front 11

What joins to form part of dorsal carpal arch?

Back 11

Anterior and posterior interossei

Front 12

-Dorsal/deep branch of radial goes where after reaching wrist
-Joins ____ to form _____

Back 12

-Wraps superiorly & dorsally around thumb; anatomical snuff box;
-Deep ulnar; palmar arch

Front 13

Branches off the palmar arch

Back 13

Dorsal metacarpal and digital branches

Front 14

A single metacarpal branch will divide to supply _____ surface(s) of ____ digits
--E.g.

Back 14

One surface; 2 digits
--Medial side of one, lateral of adjacent

Front 15

Dorsal a. stops at ____

Back 15

MP joint

Front 16

Tips of fingers supplied by ____ a.

Back 16

Ventral palmar a. branches

Front 17

The termination of the ulnar a.

Back 17

Superficial palmar a.

Front 18

Only 2 digital a. that don't come off superficial arch

Back 18

Radialis indices
Princeps pollicis

Front 19

2 sources of arterial distribution of hand

Back 19

Radial and ulnar a.

Front 20

Allen's Test

Back 20

Test for collateral circulation in hand

Front 21

Allen's test must be obtained before:

Back 21

Arterial blood gas testing

Front 22

Arterial blood gas is a measure of:

Back 22

pH in the blood

Front 23

Body doesn't tolerate a pH outside of

Back 23

7.35 to 7.45

Front 24

People in respiratory failure are _____ (pH)

Back 24

Acidotic

Front 25

Reason for acidosis

Back 25

Stop breathing, increase CO2, decrease pH

Front 26

Best artery to sample for ABG (arterial blood gas)

Back 26

Radial a.

Front 27

Allen's test is making sure there are 2 arteries:

Back 27

Radial and ulnar

Front 28

Path of nerves to hand

Back 28

Same as a.

Front 29

DERMATOMES of HAND

Back 29

Ulnar, medial, radial

Front 30

Ulnar relationship to flexor retinaculum

Back 30

Superficial

Front 31

Median n. relationship to flexor retinaculum

Back 31

Deep to it

Front 32

Dorsal n. termination

Back 32

Same place as dorsal a. (MP joint?)

Front 33

Tips of fingers innervated by:
-
-

Back 33

-Median nerve (2-4) coming from ventral side
-Ulnar n. (4.5-5)

Front 34

To test radial nerve in hand, test ____ area

Back 34

Between digit 1 & 2

Front 35

All INTRINSIC muscles of hand innervated by _____, except ____ (2 m. groups, 5 muscles)

Back 35

Ulnar;
-Thenar eminence muscles
-2 lateral (radial side lumbricals)

Front 36

The radial a. sits on _____ bone

Back 36

Scaphoid

Front 37

During physical on person who has fallen on outstretched hand, always palpate ____ for ___-

Back 37

Anatomical snuff box; scaphoid fracture

Front 38

Flexion of MP joint done by:

Back 38

Lumbricals

Front 39

Extension of fingers at PIP and DIP done by

Back 39

Extensor digitorum & lumbrcials (when MP is flexed)

Front 40

What tendon splits in the fingers and why

Back 40

Superficialis splits to allow profudus through

Front 41

Lacerations on dorsal hand will often lacerate ______

Back 41

extensor tendon/expansion

Front 42

Patient with dorsal hand laceration, also check: ____ and ____

Back 42

Flexion at MP and extension at PIP and DIP

Front 43

Why it does not good to inject finger at top for fingernail anesthetization

Back 43

Fingertips innervated by median n. from below

Front 44

If hand has been sliced to tendon level:

Back 44

Refer to specialist

Front 45

A smal scar in a small place can produce:

Back 45

Large downstream limitations

Front 46

If you see tendon of digitorum superficialis, _____ will be on lateral (radial) side

Back 46

Lumbrical

Front 47

Median n injury effect on lumbricals

Back 47

Digits 2 & 3, not 4 & 5

Front 48

Thenar eminence supplied by ___ n.

Back 48

median recurrent

Front 49

Median recurrent found _____ to flexor pollicis brevis

Back 49

Superficial

Front 50

Muscles of Thenar Eminence

Back 50

1. Abductor pollicis brevis (most lateral_
2. Flexor pollicis brevis
3. Opponins pollicis (deep)

Front 51

Why median recurrent n. is unique

Back 51

It runs superficial to the muscle it supplies; susceptible to injury

Front 52

Hypothenar eminence muscles (AFO)

Back 52

1. Abductor digiti minimi
2. Flexor digiti minimi
3. Opponins digiti minimi

Front 53

Hypothenar muscles supplied by:

Back 53

Ulnar n.

Front 54

With any laceration, always check and document:

Back 54

Vascular, neurologic, and muscular function

Front 55

10 muscles of ulnar innervation in hand

Back 55

7 interossei, 2 medial lumbricals, adductor pollicis

Front 56

2 places of most obvious muscle wasting

Back 56

Dorsal interosseous
Thenar eminence

Front 57

Median n. innervation of hand (5)

Back 57

1st and 2nd lumbricals
3 of thenar eminance

Front 58

Dupeytren's Contracture

Back 58

Sclerosis of palmar aponeurosis

Front 59

Peyronie's

Back 59

Shortening of aponeurosis around penis, accompanies Dupeytren's in some cases

Front 60

Mallet finger

Back 60

Caused by ripping of extensor tendon, leaving flexors unopposed (DIP is flexed)

Front 61

Carpal tunnel numbness

Back 61

Lateral 3.5 fingers, also tops of 2, 3, 1/2 of 4

Front 62

Carpal tunnel muscle weakness

Back 62

Lateral 2 lumbricals, thenar eminence

Front 63

Tinnel's Sign

Back 63

Extend wrist, tap median nerve; if pain = carpal tunnel

Front 64

Phelan's Test

Back 64

Pressure on carpal tunnel, will feel numbness, tingling

Front 65

Would expect wrist drop in ____ n. damage
-Classic example of _____ fracture

Back 65

-Radial
-Humeral

Front 66

Epinychia

Back 66

Nail-skin junction

Front 67

de Quervain's tenosynovitis

Back 67

Tendonitis of 2 tendons forming anatomical snuff box

Front 68

Physical exam for de Quervain's

Back 68

Finklestein's

Front 69

Finklestein's test

Back 69

Grab finger, adduct wrist

Front 70

Rupture of the ulnar collateral ligament between 1st metacarpal and proximal phalnx

Back 70

Gamekeeper's/Skier's thumb

Front 71

Scaphoid blood supply

Back 71

Only from one point

Front 72

The more ____ to the wrist the fracture is, more likely the distal fragment of scaphoid bone loses blood supply

Back 72

Proximal

Front 73

Reason scaphoid is often fractured

Back 73

It's the point of transmission from hand to radius

Front 74

Always ascertain tenderness in snuff box during PE to check for

Back 74

Avulsed scaphoid