Lab: Knee

Question 1

Mc Murray Sign:

Answer 1

pos. = clicking sound or pain by knee joint
ind. =
- tear of medial meniscus if positive on external rotation
- tear of lateral meniscus if positive on internal rotation
- the higher the leg is raised during extension when positive is elicited, the more posterior the meniscal injury

Question 2

Medial Collateral Ligament Test
aka-> ABDUCTION STRESS TEST
or-> VALGUS STRESS TEST

Answer 2

pos. = gapping and/or elicited pain above/at/or below joint line
ind. = torn medial collateral ligament

Question 3

Lateral Collateral Ligament Test
aka-> ADDUCTION STRESS TEST
or-> VERUS STRESS TEST

Answer 3

pos. = gapping and/or elicited pain above/at/or below joint line
ind. = torn lateral collateral ligament

Question 4

Bounce Home Test:

Answer 4

pos. = knee does not go into full extension (slight flexion remains)
ind. = diffuse swelling of the knee, accumulation of fluid, due to possible torn meniscus

Question 5

Drawer TEST:

Answer 5

(1) pos.= gapping >6mm (tibia moves posterior) when the leg is pushed
(1) ind.= torn posterior cruciate ligament
(2) pos.= gapping >6mm (tibia moves anterior) when the leg is pulled
(2) ind.= torn anterior cruciate ligament

Question 6

Lachman Test:

Answer 6

pos. = gapping with the tibia moving away from the femur

ind. = anterior cruciate ligament or posterior oblique ligament instability

Question 7

Apprehension Test for Patella:

Answer 7

pos. = apprehension, distress of facial expression, contraction of quadriceps to bring patella back in line
ind. = chronic patella dislocation or pre-disposition to dislocation

Question 8

Patella Femoral Grinding Test:

aka-> CLARKE SIGN

Answer 8

pos. = retropatellar pain and the patient is unable to hold the quadriceps contraction
ind. = degenerative changes of the patellar facets and/or within the trochlear groove (chondromalacia patella)

Question 9

Patella Ballottment Test:

Answer 9

pos. = a floating sensation of the patella

ind. = a large amount of swelling in the knee

Question 10

Apley Compression Test:

Answer 10

pos. = patient points to side of pain

ind. = pain on medial side is medial meniscus tear. pain on the lateral side indicates lateral meniscus tear.

Question 11

Apley Distraction Test:

Answer 11

pos. = patient will point to side of pain
ind. = pain on medial side indicates medial collateral ligament tear. pain on the lateral side indicates lateral collateral ligament tear