elbow, forearm, wrist test

Question 1

What are the bones of the humerus?

Answer 1

lateral epicondyle and medial epicondyle

Question 2

What are the bones of the radius?

Answer 2

head of radius and radial styloid process

Question 3

What are the bones of the ulna?

Answer 3

olecranon process and ulnar styloid process

Question 4

How many carpals are there?

Answer 4

8 carpals

Question 5

What does the proximal row articulate with?

Answer 5

The radius and the ulna

Question 6

Proximal row carpals?

Answer 6

Scaphoid, lunate, triquetral, pisiform

Question 7

What does the distal row articulate with?

Answer 7

the metacarpals

Question 8

distal row carpals?

Answer 8

Trapezoid, Capitate, Trapezium, Hamate

Question 9

how many metacarpals

Answer 9

5

Question 10

how many phalanges

Answer 10

14

Question 11

What are the articulations of the elbow?

Answer 11

Humeroulnar Joint - hinge joint
Humeroradial Joint - hinge joint
Proximal Radioulnar Joint - pivot joint

Question 12

What are the articulations of the forearm?

Answer 12

Proximal and distal radioulnar joints

Question 13

What is the articulations of the fingers

Answer 13

MCP joint and PIP joint

Question 14

What is the ligament of the elbow?
What do they each do and another name?

Answer 14

Ulnar collateral (Medial collateral lig) - protects from valgus

Radial Collateral (Lateral collateral lig) - protects from varus

Annular - forms a sling around the radial head for free rotation

Question 15

What is the ligament of the forearm? Motion?

Answer 15

Interosseous membrane - holds the radius and ulna together

Question 16

What are the ligaments for the wrist?
what do they each do and their action?

Answer 16

Ulnar Collateral ligament - protects wrist from valgus
Radial Collateral ligament - protects wrist from varus
Flexor Retinaculum - (palmar of wrist) holds flexor tendon in place
Extensor Retinaculum - (dorsal of wrist) holds extensor tendon in place

Question 17

What are the ligaments of the fingers?
What do they each do and their action?

Answer 17

Medial Collateral Ligament - protects IP joints from valgus
Lateral Collateral Ligament - Protects IP joint from varus
Volar Plate - a thick joint capsule on the palmar surface of the IP joint

Question 18

What is the action :
Biceps Brachii
Brachialis
Brachioradialis

Answer 18

elbow flexion

Question 19

what is the action :
triceps brachii

Answer 19

elbow extension

Question 20

what is the action :
pronator teres
pronator quadratus

Answer 20

forearm pronation

Question 21

what is the action :
brachioradialis
flexor carpi radialis
flexor carpi ulnaris

Answer 21

wrist flexion

Question 22

what is the action :
extensor carpi radialis longus and brevis
extensor carpi ulnaris

Answer 22

wrist extension

Question 23

what is the action :
flexor digitorum profundus
flexor digitorum superficialis
flexor pollicis longus and brevis (thumb only)
flexor digiti minimi (pinky only)

Answer 23

finger flexion

Question 24

what is the action :
extensor digitorum communis
extensor digiti minimi (pinky only)
extensor indicis (pointer finger only)
extensor pollicis longus and brevis (thumb only)

Answer 24

finger extension

Question 25

what is the action : lumbricals abductor digiti minimi (pinky only) abductor pollicis longus and brevis (thumb only)

Answer 25

finger abduction

Question 26

what is the action : dorsal interosseous adductor pollicis (thumb only)

Answer 26

finger adduction

Question 27

what is the action : opponens digiti minimi opponens pollicis

Answer 27

opposition

Question 28

What are the nerves

Answer 28

Ulnar nerve Median Nerve Radial Nerve

Question 29

Whats the blood supply

Answer 29

brachial artery

Question 30

movements of the elbow

Answer 30

flex, extend

Question 31

movements of the forearm

Answer 31

supinate and pronate

Question 32

movements of the wrist

Answer 32

flex, extend, ulnar deviation (bringing pinky to forearm), radial deviation (thumb to forearm), circumduction

Question 33

movements of the fingers

Answer 33

flex, extend, ONLY AT MCP JOINTS - adduction - abduction - circumduction - opposition

Question 34

What is De Quervain’s Syndrome? Test? Cause?

Answer 34

It is like gamers thumb It's caused by repetitive strains Finklesteins Test

Question 35

What is Carpal Tunnel Syndrome?

Answer 35

Median nerve becomes squeezed at the wrist from inflammation of tendons

Question 36

What is Trigger Finger?

Answer 36

Overuse. Finger gets stuck bent then straightens with a snap. Usually flexors

Question 37

What is Mallet Finger (extensor tendon avulsion) (DIP)?

Answer 37

a direct blow

Question 38

What is Boutonniere Deformity?

Answer 38

Rupture of extensor tendon (PIP)

Question 39

What is Jersey Finger?

Answer 39

Rupture of flexor digitorum usually middle finger

Question 40

What is Gamekeeper’s Thumb?

Answer 40

UCL sprain of MCP from forceful abduction