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Anatomy > Elbow, Wrist, Hand Arthrology > Flashcards

Elbow, Wrist, Hand Arthrology Flashcards

1
Q

What synovial classification is the humeroulnar?

A

Hinge

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2
Q

What synovial classification is humeroradial?

A

planar/gliding by morphology
hinge/pivot by function

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3
Q

What synovial classification is proximal radio-ulnar?

A

pivot

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4
Q

What synovial classification is distal radio-ulnar?

A

pivot

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5
Q

What synovial classification is radiocarpal?

A

condyloid

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6
Q

What synovial classification is 1st carpometacarpal joint?

A

Saddle/sellar

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7
Q

What synovial classification is 2-5th carpometacarpal joints?

A

planar/gliding

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8
Q

What synovial classification is metacarpophalangeal?

A

condyloid

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9
Q

What synovial classification is interphalangeal joints?

A

hinge

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10
Q

Humeroulnar joint
Concave ________
Convex __________

A

Concave: trochlear notch of ulna
Convex: trochlea of humerus
Ulna moves on humerus (concave on convex)= roll & glide in same direction

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11
Q

Humeroradial joint
Concave:
Convex:

A

Concave: head of radius
Convex: capitulum of humerus
Radius moves on humerus = roll & glide in same direction

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12
Q

Proximal radio-ulnar joint
Concave:
Convex:

A

Concave: radial notch of ulna
Convex: radial head
Radius moves on ulna = rolls & glides in opposite direction

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13
Q

Radial head rolls _______ & glides _________ during pronation

A

anteriorly; posteriorly

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14
Q

Radial head rolls _________ & glides ____________ during supination

A

posteriorly; anteriorly

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15
Q

Distal radio-ulnar joint
Concave:
Convex:

A

Concave: ulnar notch on radius
Convex: head of ulna
Radius moves on ulna = roll & glide in same direction

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16
Q

Pronation & supination also require:

A

rotation of radius (spin) at humeroradial joint in annual ligament

17
Q

What makes up distal radio-ulnar joint?

A

Head of ulna, TFCC, and ulnar notch of radius

18
Q

What makes up radiocarpal joint?

A

Radius, TFCC, proximal row of carpals (minus pisiform)

19
Q

Radiocarpal
Convex/concave

A

Proximal carpal row (convex) on radius & TFCC (concave)
Gliding movement opposite from hand

20
Q

What happens to scaphoid/lunate with radial deviation?

A

Flexion

21
Q

What happens to proximal row of carpal bones during ulnar deviation?

A

Extends

22
Q

During radial ab/adduction of 1st CMC joint, the MC rolls & glides in the ________ direction

A

same

23
Q

During palmar ab/adduction of 1st CMC joint, the MC rolls & glides in the ___________ direction

A

opposite

24
Q

In the metacarpophalangeal joints 2-5 the phalanx rolls & glides in the ________ direction for all motions

A

same

25
Q

Interphalangeal joints
Convex/concave?

A

Convex: distal surface of proximal phalanx
Concave: proximal surface of distal phalanx

26
Q

During flexion/extension of interphalangeal joints, the phalanx rolls & glides in the __________ direction

A

same

27
Q

Elbow flexion
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: biceps brachii
Secondary Mover: brachialis
Antagonist: triceps brachii

28
Q

Elbow extension
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: triceps brachii
Secondary Mover: anconeous
Antagonist: biceps brachii

29
Q

Wrist flexion
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: flexor carpi radialis/ulnaris
Secondary Mover: flexor digitorum profundus/superficialis
Antagonist: Extensor carpi radialis longus/brevis

30
Q

Wrist extension
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: extensor carpi radialis longus/brevis or extensor carpi ulnaris
Secondary Mover: extensor digitorum
Antagonist: Flexor carpi radialis/ulnaris

31
Q

Wrist ulnar deviation
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: extensor carpi ulnaris and flexor carpi ulnaris
Secondary Mover: flexor digitorum profundus/superficialis
Antagonist: extensor carpi radialis longus/brevis or abductor pollicis longus

32
Q

Wrist radial deviation
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: extensor carpi radialis longus or abductor pollicis longus
Secondary Mover: extensor pollicis brevis
Antagonist: extensor carpi ulnaris or flexor carpi ulnaris

33
Q

Digit flexion
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: flexor digitorum superficialis
Secondary Mover: flexor digitorum profundus
Antagonist: extensor digitorum

34
Q

Digit extension
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: extensor digitorum
Secondary Mover: extensor indicis/digiti minimi
Antagonist: flexor digitorum superficialis

35
Q

Thumb extension
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: extensor pollicis longus
Secondary Mover: extensor pollicis brevis
Antagonist: flexor pollicis longus

36
Q

Thumb flexion (CMC joint)
Primary Mover:
Secondary Mover:
Antagonist:

A

Primary Mover: flexor
Secondary Mover:
Antagonist:

37
Q

concave on convex

A

same direction

38
Q

convex on concave

A

opposite direction

Anatomy (17 decks)

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