1.2.6 Knee Ligament Injuries

Front

What is a PCL tear?

Back

A PCL (Posterior Cruciate Ligament) tear is an injury to the ligament that connects the femur to the tibia at the knee, preventing the tibia from moving backward on the femur.

Front

What mechanism of injury (MOI) is commonly associated with PCL tears?

Back

A common MOI for PCL tears is a dashboard injury, often occurring in car crashes when the knee strikes the dashboard.

Front

Which ligament prevents the tibia from moving backward on the femur?

Back

The PCL (Posterior Cruciate Ligament) prevents the tibia from moving backward on the femur.

Front

What is the Varus Stress Test used for?

Back

The Varus Stress Test is used to assess the integrity of the LCL (Lateral Collateral Ligament) in the knee.

Front

What type of force stresses the medial side of the knee?

Back

A Valgus force puts pressure on the lower leg from the lateral side, stressing the medial side of the knee.

Front

What injury is indicated by a torn MCL?

Back

A torn MCL (Medial Collateral Ligament) is an injury that occurs on the inner side of the knee, often due to a Valgus force.

Front

What is the role of the ACL in the knee?

Back

The ACL (Anterior Cruciate Ligament) stabilizes the knee by preventing the tibia from moving forward relative to the femur.

Front

What is the difference between a PCL tear and an ACL tear?

Back

A PCL tear involves the posterior ligament preventing backward movement of the tibia, while an ACL tear involves the anterior ligament preventing forward movement.

Front

What is the purpose of the Apley's Compression Test?

Back

The Apley's Compression Test is used to assess meniscal injuries in the knee.

Front

What are common symptoms of a knee ligament injury?

Back

Common symptoms include pain, swelling, instability, and difficulty bearing weight on the affected leg.