O&A Wrist And Hand

Question 1

What’s the most common mechanism for traumatic injury to the ulnar collateral ligament of the elbow?

Answer 1

Falling onto an outstretched hand with the elbow extended and the forearm supinated

Question 2

What capsule is the proximal radioulnar joint within?

Answer 2

The elbow capsule but is a forearm joint

Question 3

What is the middle radioulnar joint also known as?

Answer 3

Interosseus membrane

Question 4

What does the articular disc on the ulna have a tight relationship with?

Answer 4

Radial disc

Question 5

What effect does the action of a push up have on the forearm?

Answer 5

Has a compression force

Question 6

What helps distribute forces from the radius to the ulna during compression?

Answer 6

Interosseus membrane

Question 7

What effect does holding a briefcase have on the forearm?

Answer 7

Traction

Question 8

What helps distribute forces from the radius to the ulna during traction?

Answer 8

Oblique band

Question 9

What helps the proximal radioulnar ligament roll?

Answer 9

Anullar ligament

Question 10

How does the ulna and radius move during pronation/supination?

Answer 10

Ulna does not move

Radius rotates around

Question 11

How does the wrist sit naturally due to the orientation of the radius?

Answer 11

Flexion and adduction

Question 12

What is the distal radius structure to limit at the radiocarpal joint?

Answer 12

Extension and abduction

Question 13

What plane does flexion and extension of the thumb occur in?

Answer 13

Coronal

Question 14

What plane does abduction and adduction of the thumb occur in?

Answer 14

Sagittal

Question 15

What type of joint is the radiocarpal joint?

Answer 15

Synovial Condyloid

Question 16

What are the articulating surfaces of the radiocarpal joint?

Answer 16

Distal end of the radius and the articular disc of the distal radioulnar joint articular with the proximal row of carpal bones (excluding pisiform)

Question 17

What are the ligaments associated with the radiocarpal joint?

Answer 17

Dorsal radiocarpal ligament

Palmar radiocarpal ligament

Ulnar collateral ligament

Radial collateral ligament

Question 18

What is the movement of the radiocarpal joint?

Answer 18

Flexion/extension

Adduction/abduction

Circumduction

Question 19

What type of joint is the intercarpal joint?

Answer 19

Plane synovial

Question 20

What are the articulating surfaces of the intercarpal joint?

Answer 20

Joints between the carpal bones of proximal row

Joints between the carpal bones of distal row

Question 21

What is the movement of the intercarpal joint?

Answer 21

Flexion/extension

Adduction/abduction

Gliding

Question 22

What is the midcarpal joint?

Answer 22

Complex joint between the proximal and distal rows of carpal bones

Question 23

What type of joint is the carpometacarpal of digit 1?

Answer 23

Synovial saddle

Question 24

What are the articulating surfaces of the carpometacarpal of digit 1?

Answer 24

Between trapezium and base of 1sr metacarpal

Question 25

What are the movements of the carpometacarpal of digit 1?

Answer 25

Flexion/extension Adduction/abduction Circumduction

Question 26

What type of joint is the carpometacarpal of digit 2-5?

Answer 26

Plane synovial

Question 27

What are the articulating surfaces of the carpometacarpal of digit 2-5?

Answer 27

Distal surfaces of the carpals of the distal row articulate with the carpal surfaces of the base of metacarpals at the cmc joint

Question 28

What are the movements of the carpometacarpal of digit 2-5?

Answer 28

Slight flexion Rotation

Question 29

What type of joint is the intermetacarpal joint?

Answer 29

Plane synovial

Question 30

What are the articulating surfaces of the intermetacarpal joint?

Answer 30

Between radial and ulnar aspects of the bases of the metacarpals

Question 31

What are the movements of the intermetacarpal joint?

Answer 31

Little movement

Question 32

What type of joint is the metacarpophalangeal joint of digit 1?

Answer 32

Synovial Condyloid

Question 33

What are the articulating surfaces of the metacarpophalangeal joint of digit 1?

Answer 33

Head of metacarpals articulates with the bases of the proximal phalanges of the MP joints

Question 34

What is the movements of the metacarpophalangeal joint of digit 1?

Answer 34

Flexion/extension Adduction/abduction

Question 35

What type of joint is the metacarpophalangeal joint of digit 2-5?

Answer 35

Synovial Condyloid

Question 36

What are the movements of metacarpophalangeal joint of digit 2-5?

Answer 36

Flexion/extension Adduction/abduction Circumduction

Question 37

What type of joint is the interphalangeal joint?

Answer 37

Synovial hinge

Question 38

What are the articulating surfaces of the interphalangeal joint?

Answer 38

Head of phalanges articulate with bases of more distally located phalanges in the IP joints

Question 39

What are the movements of the interphalangeal joint?

Answer 39

Flexion/extension