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Ortho Exam 2 > AC Injuries > Flashcards

AC Injuries Flashcards

1
Q

AC ligaments

A

superior AC ligament

inferior AC ligament

coracoacromial lig

coracoclavicular lig

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2
Q

superior AC ligament

A

covers superior joint

going from upper part of acromion to upper part of clavicle

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3
Q

inferior AC ligament

A

thinner than superior AC lig

covers underside of AC joint

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4
Q

coracoacromial lig

A

strong

triangular band

running b/w coracoid process and acromion

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5
Q

coracoclavicular lig

A

connects clavicle to coracoid process

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6
Q

how is the coracoclavicular lig divided

A

into trapezoid and conoid ligs

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7
Q

trapezoid –> coracoclavicular

A

more lateral

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8
Q

conoid –> coracoclavicular

A

medial to trapzoid

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9
Q

MOI

A

acute

chronic

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10
Q

acute –> MOI

A

traumatic

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11
Q

traumatic –> acute –> MOI

A

fall onto shoulder w/ arm ADD

FOOSH

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12
Q

chronic -> MOI

A

atraumatic

post traumatic

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13
Q

atraumatic –> chronic –> MOI

A

generalized OA

inflammatory arthritis

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14
Q

classification of AC injuries

A

types 1-6

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15
Q

type 1 –> AC & coracoclavicular ligs

A

isolated sprain of AC ligs

coracoclavicular ligs in tact

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16
Q

@ AC joint–> phase 1

A

tenderness and mild pain

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17
Q

what might a type 1 injury have

A

high painful arc

160-180 degrees

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18
Q

what is painful –> type 1

A

resisted HADD

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19
Q

intervention –> type 1

A

ice

pain free AROM

same as for other sprains

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20
Q

type 2 –> AC & coracoclavicular ligs

A

AC lig is disrupted

coracoclavicular lig is sprained

21
Q

appearance of AC joint –> type 2

A

wider

may have slight vertical separation compared to uninjured side

22
Q

@ AC joint –> type 2

A

moderate to severe pain

23
Q

@ coracoclavicular space –> type 2

A

tenderness

24
Q

PROM –> type 2

A

all painful at ends of ranges

most in HADD

25
Q

intervention –> type 2

A

ice

pain free AROM/PROM

progressive strengthening in pain free ranges

26
Q

type 3 –> AC lig

A

AC ligament disrupted

27
Q

AC joint –> type 3

A

dislocated

distal clavicle displaced superior to acromion

28
Q

coracoclavicular interspace –> type 3

A

25-100% greater than uninjured side

29
Q

post trauma UE position –> type 3

A

adducted

30
Q

appearance –> type 3

A

visible gap b/w acromion and clavicle

31
Q

ROM –> type 3

A

PROM painless if done carefully

AROM all painful

32
Q

piano key phenomenon –> type 3

A

push down inferior on clavicle

it springs back

33
Q

AC lig –> type 4

A

disrupted

34
Q

AC joint –> type 4

A

dislocated

displaced posteriorly

35
Q

coracoclavicular ligs –> type 4

A

completely disrupted

36
Q

intervention –> type 4-6

A

surgery indicated

37
Q

AC joint –> type 5

A

like type 3

distal clavicle is displaced superior to acromion

but w/ distal clavicle displaced severely upward

38
Q

AC and coracoclavicular ligs –> type 5

A

disrupted

39
Q

AC dislocates … –> type 5

A

w/ 100-300% greater distance b/w clavicle and scap compared to uninjured side

40
Q

AC and coracoclavicular ligs –> type 6

A

disrupted

41
Q

AC joint –> type 6

A

dislocated

clavicle displaced inferiorly

42
Q

clavicle displaced inferiorly –> type 6

A

coracoclavicular interspace reversed w/ clavicle inferior to acromion

43
Q

what may be present –> type 6

A

accompanying brachial plexus lesion

44
Q

appearance –> type 6

A

top of shoulder is flat compared to uninjured side

45
Q

types 1,2,3,5

A

superior displacement of clavicle w/ respect to acromion

differ in severity of injury and amount of displacement

46
Q

types 1 and 2

A

MOI usually FOOSH or blow to lateral shoulder

47
Q

types 3 and 4

A

usually involve dislocation and distal clavicle fx

coracoclavicular lig disrupted

48
Q

type 4

A

posterior clavicle displacement

49
Q

type 6

A

inferior displacement of the clavicle

Ortho Exam 2 (17 decks)

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