Wrist & Hand

Question 1

How many bones in the wrist and hand

Answer 1

27

Question 2

How many bones in the wrist

Answer 2

8

Question 3

Bones in the distal end of the wrist

Answer 3

Hamate
Capitate
Trapezoid
Trapezium

Question 4

Bones at the proximal end of the wrist

Answer 4

Scaphoid
Lunate
Triquetrum
Pisiform

Question 5

Distal wrist bones articulate with

Answer 5

Carpometacarpal

Question 6

Proximal wrist bones articulate with

Answer 6

the ends of the radius and ulna

Question 7

Joint type: wrist

Answer 7

synovial ellipsoid (4 movements0

Question 8

Movements of the wrist

Answer 8

Flexion
Extension
Abduction (radial deviation)
Adduction (ulnar deviation)

Question 9

Muscles: Wrist flexors

Answer 9

Flexor carpi ULNARIS (pisiform & 5th)
Flexor carpi RADIALIS (2nd & 3rd)
Palmaris Longus (absent in 15%)

Question 10

Muscles: Wrist extensors

Answer 10

Extensor carpi ULNARIS
Extensor carpi RADIALIS LONGUS
Extensor carpi RADIALIS BREVIS

Question 11

Muscles: Radial deviation (abduction)

Answer 11

Flexor carpi radialis
Extensor carpi radialis longus
Extensor carpi radialis brevis

Question 12

Muscles: Ulna deviation (adduction)

Answer 12

Flexor carpi ulnaris

Extensor carpi ulnaris

Question 13

Muscles that cause the hand to move can be located out with the boney hand structure

Answer 13

extrinsic muscles

Question 14

muscles that are actually located within the hand structure

Answer 14

Intrinsic muscles

Question 15

Bones of the hand

Answer 15

Metacarpals (palm) x 5
Proximal phalanges x 5
Middle phalanges (not thumb) x4
Distal phalanges (tips) x 5

Question 16

Movements of thumb

Answer 16

Abduction
Adduction
Extension
Flexion
Opposition
Reposition

Question 17

Joint at carpals (wrist) and metacarpals

Answer 17

carpometacarpal (CMC)

Question 18

Joint metacarpals and proximal phalanges (KNUCKLES)

Answer 18

metacarpophalangeal (MCP)

Condyloid joint

Question 19

Joint proximal phalanges and middle phalanges

Answer 19

proximal interphalangeal (PIP) 
Hinge joint

Question 20

Joint end of fingers

Answer 20

Distal interphalangeal (DIPS)
Hinge joint

Question 21

Thumb joint with metacarpal trapezium

Answer 21

saddle joint

Question 22

Muscles OPPOSITION thumb and little finger

Answer 22

Opponens pollicis (thumb) 
opponens digiti minimi (little finger)

Question 23

Muscles bend thumb

Answer 23

Flexor pollicis longus (thumb)

Flexor pollicis brevis (thumb)

Question 24

Muscles: Flexion of HAND

Answer 24

Flexor digitorum profundus (DIP, PIP, MCP)
Flexor digitorum superficialis (PIP, MCP)
Flexor pollicis longus (thumb)
Flexor pollicis brevis (thumb)
Flexor digiti minimi brevis (little finger)
Lumbricals and interossei (MCP)

Question 25

Muscles: Extension of hand

Answer 25

``` Extensor Digitorum (fingers) Extensors indicis (fingers) Extensor digiti minimi (MCP, PIP, DIP) Extensor pollicis longus (thumb) Extensor pollicis brevis (thumb) ```

Question 26

Muscles: Abduction of HAND

Answer 26

Dorsal Interossei (fingers), Abductor digiti minimi (little finger), Abductors pollicis longus (thumb) Abductor pollicis brevis (thumb)

Question 27

Muscles: Adduction of HAND

Answer 27

``` Palmar Interossei (fingers), Adductor pollicis (thumb) ```

Question 28

Carpal tunnel formed by

Answer 28

``` distal carpal bones flexor retinaculum (Firm ligament) ```

Question 29

Tendons that pass through the carpal tunnel

Answer 29

Flexor digitorum profundus (DIP, PIP, MCP) | Flexor digitorum superficialis (PIP, MCP)

Question 30

Ball grip

Answer 30

Circular knobs, Balls, tops of mugs, jars | Fingers and thumb adduct onto the object

Question 31

Hook/snap grip

Answer 31

Carrying suitcase, bucket shopping bag | Only flexed finger involved, not thumb

Question 32

Cylinder grip

Answer 32

Holding racket, jug, handbrake of car | Palmer surface and finger around the handle, thumb in opposition

Question 33

Power grips

Answer 33

Ball Hook Cylinder

Question 34

Precision grips

Answer 34

Plate Palmer pinch Lateral/key Pincer grip

Question 35

Plate grip

Answer 35

Holding a plate or something that needs to be horizontal

Question 36

Pinch grip

Answer 36

Used to hold and manipulate small tools e.g. sewing needle, small screwdriver

Question 37

Key / lateral grip

Answer 37

holding a key

Question 38

pincer grip/tip to tip grip

Answer 38

beads or pins