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Arthrology > midterm > Flashcards

midterm Flashcards

1
Q

the concave (the moving bone) on convex theory is true for which joint

A

humeroulnar

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2
Q

which plane does rotation occur in the anatomical position

A

transverse

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3
Q

what is in the subacromial space

A

long head biceps tendon
subacromion bursa
supraspinatus tendon

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4
Q

what carpal bone is part of the radiocarpal joint

A

triquetrum

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5
Q

if your carrying angle at elbow is lower than normal it is called

A

cubitus VARUS

higher than normal - VALGUS

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6
Q

the interphalangeal joints are what kind of joint

A

uniaxial

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7
Q

what joint involves the head of the ulna

A

distal radioulnar

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8
Q

what is the first metacarpal joint

A

triaxial

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9
Q

3 biomechanical properties

A

simple
complex
compound

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10
Q

5 functions of synovial fluid

A

reduce friction
shock absorber
lubricates cavity
supplies O2 and nutrients
takes away CO2

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11
Q

what do tendon sheaths do

A

reduce friction at joints

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12
Q

3 factors affecting contact in a synovial joint

A
  1. structure or shape of articulating bones
  2. contact of soft parts
  3. strength/tension of ligaments around joint
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13
Q

what is the result of a total joint reaction

A

capsular pattern of restriction

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14
Q

what do joint kinesthetic receptors monitor

A

stretch in synovial joint and send info to brain for a response

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14
Q

SC joint type

A

saddle/ plane
multiaxial

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14
Q

AC joint type

A

plane
triaxial

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15
Q

coracoclavicular ligament has which 2 parts

A

trapezoid
conoid

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16
Q

loose packed position of GH

A

40-55 abduction

30 horizontal adduction in scapular plane

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17
Q

closed packed position of GH

A

full abduction w lateral rotation

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18
Q

what is the roof of the subacromial space

A

coracoACROMIAL ligament

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19
Q
A
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20
Q

loose packed of scapulothoracic

A

when arm is resting at the side

no closed packed

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21
Q

phase 1 scapulothoracic rhythm

A

humerus 30 degrees ABDUCTION

scap is min movement

clavicle 0-5 degrees elevation

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22
Q

phase 2 of scapulothoracic rhythm

A

humerus 40 degrees ABDUCTION

scap 20 degrees upward rotation

clavicle 15 degrees elevation

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23
Q

phase 3 of scapulothoracic rhythm

A

humerus 60 degrees ABDUCTION

30 degrees rotation scapula

clavicle 30-50 posterior rotation
15 upward elevation

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24
Q

what mm’s do abduction of shoulder

A

middle delt
supraspinatus

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25
Q

what mm’s do adduction of GH

A

teres minor
lats

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26
Q

what mm’s do internal rotation

A

subscapularis
pec major
lats

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27
Q

what mm’s do external rotation

A

infraspinatus
teres minor

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28
Q

how many degrees of abduction is done by humerus and how may degrees in done by scapula

A

humerus - 130

scapula - 50

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29
Q

artic surfaces of SC joint

A

CONVEX sternal head of clavicle
CONCAVE manubrium of sternum

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30
Q

AC joint artic surfaces

A

CONVEX acromion
CONVEX lateral clavicle

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31
Q

scapulothoracic artic surfaces

A

CONCAVE subscap fossa
CONVEX posterior ribs

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32
Q

humeroULNAR artic surfaces

A

CONCAVE trochlear notch of ulna
CONVEX trochlea of humerus

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33
Q

loose packed position HUMEROULNAR

A

70 DEGREES FLEXION
10 DEGREES SUPINATION

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34
Q

closed packed HUMEROULNAR

A

extension
supination

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35
Q

capsular pattern of restriction for HUMEROULNAR

A

flexion, extension

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36
Q

ROM OF ELBOW - flexion

A

140-150

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37
Q

ROM OF ELBOW - supination and pronation

A

supination = 90
pronation = 80-90

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38
Q

ROM OF ELBOW - extension

A

0-10

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39
Q

humeroRADIAL artic surfaces

A

CONCAVE radial head
CONVEX capitulum of humerus

40
Q

humeroradial loose packed position

A

full extension w supination

41
Q

humeroradial closed packed position

A

elbow flexed 90 degrees
forearm supinated to 5 degrees

42
Q

capsular pattern of restriction humeroradial

A

flexion
extension
supination
pronation

43
Q

proximal radioulnar artic surfaces

A

CONVEX radial head
slightly CONCAVE radial notch of ulna

44
Q

loose packed position radioulnar

A

35 degrees supination
70 degrees flexion

45
Q

close packed position of proximal radioulnar

A

forearm supinated to 5 degrees

46
Q

proximal radioulnar capsular pattern of restriction

A

supination
pronation

47
Q

what does annular ligament surround

A

radial head and radial notch of ulna

allows for pronation and supination

48
Q

cubitus VALGUS

A

carry angle LOWER than normal

varus = higher

49
Q

mid radioulnar

A

fibrous
syndesmosis
amphi
uni

50
Q

radiocarpal joint type

A

condyloid, biaxial

flexion, ext
adduct/abd

51
Q

surfaces of radiocarpal

A

concave distal end of radius
convex proximal surface of scaphoid, lunate, triquetrum

52
Q

ligaments w radiocarpal joint

A

fib capsule
ulnar & radial collateral
palmar and dorsal radiocarpal

53
Q

what does the TFCC bind together

A

radius and ulna

separates the distal radioulnar and the ulna from the radiocarpal joint

54
Q

loose packed radiocarpal

A

neutral w slight ulnar deviation

55
Q

closed packed radiocarpal

A

extension w radial deviation

56
Q

cap pattern of restriction for radiocarpal

A

flexion and extension equally limited

57
Q

radio carpal / intercarpal ROMS

A

flexion = 80-90
extension = 70-90
RD = 15
UD = 30-45

58
Q

midcarpal joint type

A

saddle
biaxial

59
Q

artic surfaces midcarpal joint

A

proximal row of carpals
distal row of carpals

60
Q

ligament for midcarpal joint

A

transverse carpal lig

61
Q

movements of midcarpal

A

ext 20
flex 40

62
Q

loose packed midcarpal

A

neutral / slight flexion w ulnar deviation

63
Q

close packed position midcarpal

A

extension w ulnar deviation

64
Q

cap pattern of restriction midcarpal

A

equal limitation of flex and ext

65
Q

what 3 transverse joints through the wrist that allow for max stability

A
  1. radiocarpal
  2. midcarpal
  3. carpometacarpal
66
Q

intercarpal joint type

A

plane
uni

67
Q

intercarpal joint surfacesa

A

between all carpal bones and between proximal and distal carpals

68
Q

what are the distal row of carpals

A

trapezium
trapezoid
capitate
hamate

69
Q

proximal row of carpals

A

scaphoid
lunate
triquetrum
pisiform

70
Q

open packed position intercarpals

A

neutral or slight flexion

71
Q

closed packed intercarpals

A

extension

72
Q

capsular pattern for intercarpals

A

none

73
Q

carpometacarpal joint type 1st digit

A

saddle
triaxial

74
Q

carpometacarpal joint type digits 2-5

A

plane
uniaxial

75
Q

carpometacarpal 1st digit joint surfaces

A

convex trapezium w concave base of first metacarpal

76
Q

carpometacarpal 2-5 digit joint surfaces

A

distal surfaces of distal row of carpal bones
bases of metacarpals 2-5

77
Q

what movement does CMC joint 2-5 do

A

gliding

78
Q

moevemts of CMC

A

1st = lots of mvment
2 - min
3- central pillar
4 - 10-15 dorsovolar
5th - 25-30 dorsovolar

79
Q

ROM CMC of thumb

A

flex = 45-50
ext = 0
abd = 60-70
add = 30

opposition = thumb tip to head of 5th metacarpal

80
Q

loose packed CMC thumb

A

midway between abduction and adduction
midway between flexion and extension

81
Q

loose packed for CMC fingers 2-5

A

midway between flexion and extension

82
Q

closed packed of thumb and digits 2-5 CMC

A

THUMB = full opposition

fingers = full flexion

83
Q

caps pattern of restriction CMC thumb

A

abduction, extension

84
Q

caps pattern of restriction CMC 2-5

A

equal limitation in all directions

85
Q

intermetacarpal joint type

A

plane
uni

86
Q

intermetacarpal joint surfaces

A

adjacent surfaces of bases of metacarpals 2-5

87
Q

MCP joint type

A

thumb = condyloid, TRIAXIAL

fingers = condyloid, BIAXIAL

88
Q

artic surfaces MCP thumb

A

distal end of 1st metacarpal and proximal phalanx

89
Q

artic surfaces MCP 2-5

A

convex distal end of 2-5 metacarpals
concave ends of proximal phalanges

90
Q

ROM MCP

A

THUMB = flex = 50-55

fingers = flex = 85-90
ext = 30-45
abduc= 20-30

91
Q

loose packed MCP

A

slight flexion

92
Q

close packed MCP

A

thumb = full opp
fingers = full flexion

93
Q

caps pattern of restriction

A

flexion
extension

94
Q

interphalangeal joint type

A

hinge
unii

95
Q

interphalangeal artic surfaces

A

heads of most proximal phalanges and bases of most distal phalanges

96
Q

interphalangeal movements

A

flexion
extension

97
Q

which joint has palmar plate

A

interphalangeal

98
Q

interphalangeal loose packed & close packed

A

loose = slight flexion

close = full extension

99
Q

caps pattern of restriction interphalangeal

A

flexion
extension

100
Q
A

Arthrology (11 decks)

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