Knee Lab

Question 1

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

Answer 1

synovitis (microtrauma)

Question 2

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

Answer 2

hemarthrosis (macrotrauma; torn ligament)

Question 3

crepitus is often associated with _____ dysfunction

Answer 3

patella femoral joint

Question 4

what is suspected with locking of the knee?

Answer 4

meniscus or loose body

Question 5

what is suspected with giving out of the knee?

Answer 5

ligament instability
muscle weakness
meniscal tear
chondromalacia patella
loose body

Question 6

what must always be asked with a knee complaint?

Answer 6

MOI!!!!!*****

Question 7

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

Answer 7

collateral ligament injury

Question 8

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

Answer 8

unhappy triad (ACL, MCL, medial meniscus)

Question 9

what impairment is suspected with the following MOI? twisting

Answer 9

meniscus

Question 10

what impairment is suspected with the following MOI? hyperextension

Answer 10

ACL
PCL
meniscus

Question 11

what impairment is suspected with the following MOI? repeptive stresses

Answer 11

tendons
PFJ
stress fx
meniscus

Question 12

what is suspected? pain with prolonged sitting

Answer 12

PFPS

Question 13

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

Answer 13

OA

Question 14

Ottawa knee decision rule for x-ray

Answer 14

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

Question 15

Pittsburg knee decision rule for x-ray

Answer 15

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

Question 16

knee decision rule of Bauer for x-ray

Answer 16

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

Question 17

knee flexion occur with tibial ___

Answer 17

IR
(extension with ER)

Question 18

Knee ROM norms

Answer 18

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

Question 19

how is joint play for knee extension performed?

Answer 19

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

Question 20

how is joint play for knee flexion performed?

Answer 20

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

Question 21

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

Answer 21

extension - superior
flexion - inferior

Question 22

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

Answer 22

proximal tibiofibular

Question 23

which special test for the knee has the best psychometrics?

Answer 23

Thessaly

Question 24

position of knee for Lachman vs. anterior drawer

Answer 24

Lachman - 30 deg flexion
anterior drawer - 60 deg flexion

Question 25

what does the pivot shift assess?

Answer 25

ACL and ALRI

Question 26

special tests for ACL

Answer 26

Lachman anterior drawer pivot shift

Question 27

special tests for PCL

Answer 27

posterior drawer posterior sag sign valgus stress at 0 deg

Question 28

special tests for MCL

Answer 28

valgus stress test

Question 29

special tests for LCL

Answer 29

varus stress test

Question 30

special tests for meniscus

Answer 30

McMurray Thessaly Apley

Question 31

special tests for patella

Answer 31

patellar apprehension patellar grind test

Question 32

special test for anteromedial rotary instability

Answer 32

anterior drawer with ER

Question 33

special test for anterolateral rotary instability

Answer 33

anterior drawer with IR pivot shift

Question 34

special test for posteromedial rotary instability

Answer 34

posterior drawer with IR

Question 35

special test for posterolateral rotary instability

Answer 35

posterior drawer with ER reverse pivot shift Dial test

Question 36

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

Answer 36

0 - PCL 20 - MCL

Question 37

how to target medial meniscus with McMurray test?

Answer 37

passively rotate tibia into full ER while passively extending the knee

Question 38

how to target lateral meniscus with McMurray test?

Answer 38

passively rotate tibia into full IR while passively extending the knee

Question 39

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

Answer 39

ligament

Question 40

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

Answer 40

meniscus

Question 41

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

Answer 41

meniscus

Question 42

what is the knee position for Thessaly's test?

Answer 42

5 deg and 20 deg

Question 43

what does patellar apprehension test assess?

Answer 43

patellar instability (lateral sublux)

Question 44

position for patellar apprehension test?

Answer 44

slightly closed pack

Question 45

activity limitations and participantion measures for knee

Answer 45

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

Question 46

which diagnosis responds well to knee distraction?

Answer 46

OA

Question 47

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

Answer 47

anterior - tibia posterior - femur ER

Question 48

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

Answer 48

posterior - tibia femur - anterior IR