04 Knee Special Tests: Collateral Ligaments Flashcards Preview

7232 Ortho > 04 Knee Special Tests: Collateral Ligaments > Flashcards

Flashcards in 04 Knee Special Tests: Collateral Ligaments Deck (20):
1

What are the clusters of signs and symptoms for the collateral ligament tests?

- MOI: macrotraumatic injury with twisting
- MOI: history of frontal plane macrotrauma
- localized edema without intra-articular effusion
- localized pain over collateral ligaments

2

What does the valgus stress test at 0˚ isolate?

- MCL
- ACL
- PCL
- PMOL

3

Why are the MCL, ACL, PCL, and PMOL isolated at 0˚ for the valgus test at 0˚?

- all of these are tight in full extension

4

Why don't you get much happening at the valgus test at 0˚?

because it's the close-packed position

5

What does the valgus stress test at 30˚ isolate?

MCL

6

What must you do prior to doing the valgus test at 30˚?

- close the joint first
- try to keep the hip from rotating

7

What does the varus stress test isolate?

- LCL
- ACL
- PCL
- PLC

8

What do you palpate for the varus stress test?

palpate inferior pole of patella and slide laterally to be over lateral joint line (use index finger)

9

Which side has physiologic laxity?

lateral

10

What should you do during the varus stress test if the pt has recurvatum?

- back off to neutral (0˚)
- don't test them in hyperextension

11

What does Apley's distraction test for?

MCL
LCL

12

research behind the Apley's distraction test

doesn't have good science and may cause a lot of pain

13

Why do the Apley's distraction test if it doesn't have research and causes pain?

to corroborate pain

14

position for Apley's distraction test: What does ER do?

tightens the MCL

15

position for Apley's distraction test: What does IR do?

tightens the LCL

16

Apley's dynamic distraction test (DDV) procedure

- hands above malleoli
- pull up to ceiling with your leg pinning down their posterior thigh

17

Apley's dynamic distraction test (DDV): What are the variations?

ER and IR

18

Apley's dynamic distraction test (DDV): What happens with ER?

- tightens the MCL
- add a DDV to get all bands of the MCL

19

Apley's dynamic distraction test (DDV): What happens with IR?

- tightens the LCL
- add a DDV to get all aspects of it

20

Why use Apley's dynamic distraction test with a DDV?

corroborative tests for the collaterals