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Anatomy > Joints and Ligaments of the Hand and Wrist > Flashcards

Joints and Ligaments of the Hand and Wrist Flashcards

1
Q

What are the 2 types of Carp Joints?

A

a) intercarpal joints

b) mid-carpal joints

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2
Q

where are intecarpal joint found?

A

between carpals

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3
Q

what type of joint are intercarpal joint

A

synovial, plane joints

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4
Q

where are mid-carpal joints found?

A

between proximal and distal row of carpals

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5
Q

what type of joint are mid-carpal joints?

A

synovial, hinge

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6
Q

where are the carpometacarpal joints found?

A

between distal carpals and bases of metacarpals

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7
Q

what are the articulations of the carpometacarpal joint of the thumb?

A

trapezium articulates with base of metacarpal 1

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8
Q

what is different about the carpometacarpal joint of digit 1

A

digits 2-5 are synovial plane joints so they have linear translation/sliding/gliding, but digit 1 is a saddle joint so it has flexion/extension, abduction/adduction and opposition

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9
Q

what are the 5 movements of the thumb?

A

1) flexion - across palm
2) extension - return to anatomical position
3) abduction - anterior to palm
4) adduction - return to anatomical position
5) opposition - thumb touches finger tips

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10
Q

what are the articulations at the metacarpophalangeal joints?

A

head of metacarpal articulates with base of proximal phalanx

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11
Q

what type of joint are metacarpophalangeal joints?

A

synovial, condyloid, bi-axial

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12
Q

what 3 ligaments are found at the metacarpophalangeal joints?

A

1) collateral ligaments
2) palmar ligaments
3) deep transverse ligament of the palm

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13
Q

what are collateral ligaments. what do they restrict?

A

capsular ligaments at sides of joint. restrict side to side movement

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14
Q

what are palmar ligaments (plates)

A

thickening of joint capsule anteriorly

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15
Q

what is the deep transverse ligament of the palm?

A

connects palmar plates of digits 2-5

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16
Q

what are the 2 types of interphalangeal joints?

A

distal and proximal

17
Q

what type of joint are interphalangeal joints?

A

synovial, hinge, uni-axial

18
Q

what are the articulations of the proximal interphalangeal joints?

A

head of proximal phalanx articulates with the base of the intermediate phalanx

19
Q

what are the articulations of the distal interphalangeal joints?

A

head of intermediate phalanx articulates with base of distal phalanx

20
Q

what are the 2 ligaments found at the interphalangeal joints?

A

collateral ligaments and plantar ligaments (plates)

21
Q

what are the articulations of the radoiocarpal joint?

A

distal radius articulates with the proximal row of carpals and articular disc

22
Q

what type of joint is the radoiocarpal joint?

A

synoval, condyloid bi-axial

23
Q

what movements occur at the radoiocarpal joint?

A

flexion/extension, abduction (radial deviation)/adduction (ulnar deviation)

24
Q

what are the 4 ligaments at the radoiocarpal joint?

A

1) Radial/Lateral Collateral Ligament (of the Radoiocarpal Joint)
2) Ulnar/Medial Collateral Ligament (of the Radiocarpal Joint)
3) Palmar Radiocarpal Ligament
4) Dorsal Radiocarpal Ligament

25
Q

what are the articulations of the radial/lateral collateral ligament of the radoiocarpal joint?

A

radial styloid process to the lateral carpals (scaphoid and trapezium)

26
Q

what does the radial/lateral collateral ligament of the radoiocarpal joint restrict?

A

adduction (ulnar deviation)

27
Q

what are the articulations of the Ulnar/Medial Collateral Ligament (of the Radiocarpal Joint)?

A

Ulnar styloid process to the medial carpals (triquetrum and pisiform)

28
Q

what does the Ulnar/Medial Collateral Ligament (of the Radiocarpal Joint) restrict?

A

restricts abduction (radial deviation)

29
Q

what are the articulations of the palmar radoiocarpal ligament?

A

Distal radius to proximal carpals (anteriorly)

30
Q

what does the palmar radiocarpal ligament restrict?

A

hyperextension

31
Q

what are thea articulations of the dorsal radiocarpal ligament?

A

distal radius to proximal carpals (posteriorly)

32
Q

what does the dorsal radiocarpal ligament restrict?

A

flexion

Anatomy (22 decks)

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