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Questions and Answers
What is the primary function of the LCL (Lateral Collateral Ligament)?
What is the primary function of the LCL (Lateral Collateral Ligament)?
- Excessive valgus knee loads applied during weight-bearing decelerating activities
- Limiting external rotation of a flexed knee
- Sudden application of a valgus torque to the knee
- Resisting varus forces, particularly in the initial 0° to 30° of knee flexion (correct)
What is the main mechanism of injury for ACL injuries?
What is the main mechanism of injury for ACL injuries?
- Direct hit to the lateral aspect of the knee with the foot in contact with the ground
- Sudden violent hyperextension of the knee joint
- Deceleration and acceleration motions with excessive quadriceps contraction (correct)
- Sudden application of a valgus torque to the knee
How are PCL (Posterior Cruciate Ligament) injuries commonly caused?
How are PCL (Posterior Cruciate Ligament) injuries commonly caused?
- Sudden application of a valgus torque to the knee
- Fall on the flexed knee with the foot in plantar flexion
- Dashboard/anterior tibial blow injury (correct)
- Excessive valgus knee loads applied during weight-bearing decelerating activities
What is the main mechanism of injury for MCL (Medial Collateral Ligament) injuries?
What is the main mechanism of injury for MCL (Medial Collateral Ligament) injuries?
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What is a common cause of ACL injuries?
What is a common cause of ACL injuries?
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