O&A Wrist And Hand Flashcards

1
Q

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

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What capsule is the proximal radioulnar joint within?

A

The elbow capsule but is a forearm joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the middle radioulnar joint also known as?

A

Interosseus membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

Radial disc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

Has a compression force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

Interosseus membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What effect does holding a briefcase have on the forearm?

A

Traction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

Oblique band

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What helps the proximal radioulnar ligament roll?

A

Anullar ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

Ulna does not move

Radius rotates around

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

Flexion and adduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

Extension and abduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

Coronal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

Sagittal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of joint is the radiocarpal joint?

A

Synovial Condyloid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the articulating surfaces of the radiocarpal joint?

A

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

17
Q

What are the ligaments associated with the radiocarpal joint?

A

Dorsal radiocarpal ligament

Palmar radiocarpal ligament

Ulnar collateral ligament

Radial collateral ligament

18
Q

What is the movement of the radiocarpal joint?

A

Flexion/extension

Adduction/abduction

Circumduction

19
Q

What type of joint is the intercarpal joint?

A

Plane synovial

20
Q

What are the articulating surfaces of the intercarpal joint?

A

Joints between the carpal bones of proximal row

Joints between the carpal bones of distal row

21
Q

What is the movement of the intercarpal joint?

A

Flexion/extension

Adduction/abduction

Gliding

22
Q

What is the midcarpal joint?

A

Complex joint between the proximal and distal rows of carpal bones

23
Q

What type of joint is the carpometacarpal of digit 1?

A

Synovial saddle

24
Q

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

A

Between trapezium and base of 1sr metacarpal

25
Q

What are the movements of the carpometacarpal of digit 1?

A

Flexion/extension

Adduction/abduction

Circumduction

26
Q

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

A

Plane synovial

27
Q

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

A

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

28
Q

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

A

Slight flexion

Rotation

29
Q

What type of joint is the intermetacarpal joint?

A

Plane synovial

30
Q

What are the articulating surfaces of the intermetacarpal joint?

A

Between radial and ulnar aspects of the bases of the metacarpals

31
Q

What are the movements of the intermetacarpal joint?

A

Little movement

32
Q

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

A

Synovial Condyloid

33
Q

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

A

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

34
Q

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

A

Flexion/extension

Adduction/abduction

35
Q

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

A

Synovial Condyloid

36
Q

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

A

Flexion/extension

Adduction/abduction

Circumduction

37
Q

What type of joint is the interphalangeal joint?

A

Synovial hinge

38
Q

What are the articulating surfaces of the interphalangeal joint?

A

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

39
Q

What are the movements of the interphalangeal joint?

A

Flexion/extension