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MSK LQ > Knee Lab > Flashcards

Knee Lab Flashcards

1
Q

which impairment is suspected with delayed swelling (6-12 hr)?

A

synovitis (microtrauma)

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2
Q

which impairment is suspected with immediate swelling (1-2 hr)?

A

hemarthrosis (macrotrauma; torn ligament)

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3
Q

crepitus is often associated with _____ dysfunction

A

patella femoral joint

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4
Q

what is suspected with locking of the knee?

A

meniscus or loose body

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5
Q

what is suspected with giving out of the knee?

A

ligament instability
muscle weakness
meniscal tear
chondromalacia patella
loose body

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6
Q

what must always be asked with a knee complaint?

A

MOI!!!!!*****

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7
Q

what impairment is suspected with the following MOI? valgus or varus stress

A

collateral ligament injury

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8
Q

what impairment is suspected with the following MOI? injury with a combo of directions

A

unhappy triad (ACL, MCL, medial meniscus)

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9
Q

what impairment is suspected with the following MOI? twisting

A

meniscus

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10
Q

what impairment is suspected with the following MOI? hyperextension

A

ACL
PCL
meniscus

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11
Q

what impairment is suspected with the following MOI? repeptive stresses

A

tendons
PFJ
stress fx
meniscus

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12
Q

what is suspected? pain with prolonged sitting

A

PFPS

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13
Q

what is suspected? stiff in AM, better with activity throughout the day, worse in PM

A

OA

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14
Q

Ottawa knee decision rule for x-ray

A

age >55
tenderness at fibular head
isolated tenderness of patella
inability to flex knee to 90
inability to WB & take 4 steps
+ 2/5 = imaging

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15
Q

Pittsburg knee decision rule for x-ray

A

history of blunt trauma or fall
inability to WB or take 4 steps
age <12 or >50
trauma + 1 other = imaging

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16
Q

knee decision rule of Bauer for x-ray

A

inability to WB and take 4 steps
presence of knee effusion
presence of ecchymosis (bruising)
1/3 = imaging

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17
Q

knee flexion occur with tibial ___

A

IR
(extension with ER)

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18
Q

Knee ROM norms

A

flexion 140
extension 0-15 hyper
IR 20-30
ER 30-40

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19
Q

how is joint play for knee extension performed?

A

anterior glide (supine or prone)
in open pack - 20 deg flexion

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20
Q

how is joint play for knee flexion performed?

A

posterior glide (sitting or supine)
open pack - 20 deg flex

21
Q

how is joint play for knee extension performed at the patella? flexion?

A

extension - superior
flexion - inferior

22
Q

if a pt is missing the last 5-10 deg of extension, flexion, or DF, which joint play should be assessed?

A

proximal tibiofibular

23
Q

which special test for the knee has the best psychometrics?

A

Thessaly

24
Q

position of knee for Lachman vs. anterior drawer

A

Lachman - 30 deg flexion
anterior drawer - 60 deg flexion

25
Q

what does the pivot shift assess?

A

ACL and ALRI

26
Q

special tests for ACL

A

Lachman
anterior drawer
pivot shift

27
Q

special tests for PCL

A

posterior drawer
posterior sag sign
valgus stress at 0 deg

28
Q

special tests for MCL

A

valgus stress test

29
Q

special tests for LCL

A

varus stress test

30
Q

special tests for meniscus

A

McMurray
Thessaly
Apley

31
Q

special tests for patella

A

patellar apprehension
patellar grind test

32
Q

special test for anteromedial rotary instability

A

anterior drawer with ER

33
Q

special test for anterolateral rotary instability

A

anterior drawer with IR
pivot shift

34
Q

special test for posteromedial rotary instability

A

posterior drawer with IR

35
Q

special test for posterolateral rotary instability

A

posterior drawer with ER
reverse pivot shift
Dial test

36
Q

structure targeted with valgus stress test at 0 deg vs 20 deg?

A

0 - PCL
20 - MCL

37
Q

how to target medial meniscus with McMurray test?

A

passively rotate tibia into full ER while passively extending the knee

38
Q

how to target lateral meniscus with McMurray test?

A

passively rotate tibia into full IR while passively extending the knee

39
Q

which structure is suspected if pain is worsened with distraction during Apley’s test?

A

ligament

40
Q

which structure is suspected if pain is relieved with distraction during Apley’s test?

A

meniscus

41
Q

which structure is suspected if pain is worsened with compression during Apley’s test?

A

meniscus

42
Q

what is the knee position for Thessaly’s test?

A

5 deg and 20 deg

43
Q

what does patellar apprehension test assess?

A

patellar instability (lateral sublux)

44
Q

position for patellar apprehension test?

A

slightly closed pack

45
Q

activity limitations and participantion measures for knee

A

TUG
30 sec STS
6MWT
stair measure test (ascend/descend 9 steps)

46
Q

which diagnosis responds well to knee distraction?

A

OA

47
Q

for knee extension (OKC):
_____ glide of tibia
____ glide of femur
____ rotation of tibia

A

anterior - tibia
posterior - femur
ER

48
Q

for knee flexion (OKC):
_____ glide of tibia
____ glide of femur
____ rotation of tibia

A

posterior - tibia
femur - anterior
IR

MSK LQ (18 decks)

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