Knee injury

Question 1

Anterior cruciate

Answer 1

- Sudden twisting with DECELERATION that cause tear
S&S:
- Popping felt-heard
- The knee gives away- instability
DX:
- XRay and MRI
- Lachman maneuver/anterior drawer test
TX:
-NSAIDs
- RICE
- Crutches
- PT

Question 2

Posterior cruciate

Answer 2

• Impact to front of tibia with flexed knee/forced hyperextension
• Takes more force to tear
  S&S:
• Pain, swelling and limited ROM
  DX:
• XRay and MRI
• Post drawer test
  TX:
• Same as anterior

Question 3

Medial collateral

Answer 3

- Sudden external force
S&S:
- Point tenderness medially
- Minimal effusion
DX:
- XRay and MRI
- Valgus stress: bring the knee IN
TX:
Same

Question 4

Lateral collateral

Answer 4

- Inernal force
S&S:
- PCL injury
DX:
Varus stress: bring knee OUT

Question 5

Meniscal tear

Answer 5

- Sudden pain after quick twist or squat
S&S:
- Locking and limited ROM
- Swelling
- Knee feels stuck
DX:
- MCMurray's: knee ROM while holding ankle- feel the pop
- Apley's compression: downward compression and taking off weight if there is pain: ligamente to rule out meniscus