Knee ExM

Question 0

Varus stress test

Answer 0

Perform at 0 and 30 degrees

Assesses integrity of LCL

Question 1

Valgus stress test

Answer 1

Perform at 0 and 30 degrees

Assesses integrity of MCL

Question 2

Lachmans test

Answer 2

Determine integrity of ACL

Supine knee 20-30 degrees flexion

Question 3

Anterior drawer test

Answer 3

Determine integrity of the ACL

Examiner tries to displace tibia anteriorly while foot remains on table

Question 4

Posterior drawer test

Answer 4

Determines integrity of PCL

Examiner puts both hands behind tibia and thumbs on tibial plateau in order to palpate tibia-femur step off

Question 5

Posterior sag (Godfrey) sign test

Answer 5

Assesses the integrity of PCL

Pt lies supine with hips flexed at 45 and knees flexed to 90 and legs resting on examiners arms

Question 6

Pivot shift test (lateral pivot shift test)

Answer 6

Assesses anterolateral instability
Knee flexed 20-30 degrees
Torque placed on tibia while rotating it internally and applying valgus stress

Question 7

McMurray Test

Answer 7

Determines integrity of meniscus, diagnose a meniscus tear
Fully flex knee holding foot by the heel
Rotate leg on thigh while still holding in full flexion
Bring leg into right angle and rotate internal and externally
Medial tibial rotation=testing lateral meniscus
Lateral tibial rotation= testing medial meniscus

Question 8

Apley’s compression test

Answer 8

Diagnose meniscus tear
Grab one foot in each hand with heels together and flex knees to limit
Rotate heels outward and extend knee
Put leg on back of thigh
Knee bent to right angle 
Rotate 
Push down to compress 
Rotate again

Question 9

Apley’s distraction test

Answer 9

Should relieve pan caused by apleys compression test
Grab one foot in each hand with heels together and fully flex knees
Then grab one foot in each hand with toes together and fully extend
Place knee on back of thigh
Grab foot with knee at 90
Pull leg up to distract
Externally rotate

Question 10

Thessaly test

Answer 10

Diagnose meniscus tear
Stand holding hands with pt as they stand on one leg and rotate side to side first with knee flexed 5 and then knee flexed 20

Question 11

Clarke’s test

Answer 11

PFPS
Hand web superior to patella
Pt contacts muscle while examiner applies downward and inferior pressure on patella