Posterior Cruciate Ligament Sprain Flashcards

1
Q

What is more common ACL tear or PCL tear?

A
  1. ACL
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How does a PCL tear happen?

A
  1. Knee will be in a flexed position and the force is applied to the tibia driving it posteriorly
  2. Due to hyperflexion, especially if the foot is in plantar flexion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the purpose of a PCL?

A
  1. To prevent the tibia from sliding posteriorly in comparison to the femur
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does the PCL attach to?

A
  1. The medial aspect of the medial femoral condyle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How will a patient present with a PCL tear?

A
  1. Knee pain
  2. Swelling
  3. Decreased ROM
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Does the patient usually complain about instability?

A
  1. No
    *so the PCL tear wont usually need surgery
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How to test for a PCL tear>

A
  1. Posterior drawer test
    *knee flexed at 45-90 degrees
    *pressure is then applied to the tibia
    + if there is increased posterior movement of the tibia relative to the femur
  2. PCL sag
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the PCL sag?

A
  1. Have the knee flexed/foot resting on table
  2. Tibia will look like nothing is holding it up and there will be an indentation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What labs to order>

A
  1. X-rays
    *the posterior edge of the tibia should line up with the femoral condyles IF NOT then there is a PCL tear
  2. MRI
    *more clearly diagnose
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the treatment?

A
  1. Controversial
  2. Crutches/ice/elevation
  3. PT (quad focus to provide anterior pull)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When can a patient return to activity

A
  1. Once FROM is regained (80%) and full strength
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When is surgery indicated?

A
  1. If there were multiple ligaments torn

***PCL tears are usually not treated with surgery due to the location of the PCL, and PCL grafts stretch out and become less functional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly