How can you differentiate between a lateral meniscus tear and a medial meniscus tear?

How can you differentiate between a lateral meniscus tear and a medial meniscus tear?

• A. Lateral tears are assessed with external rotation; medial tears with internal
• B. Lateral tears are assessed with internal rotation; medial tears with external
• C. Both types of tears are assessed using similar rotations
• D. Both types of tears are indicated by pain in the lower leg

Answer: (B)

The differentiation between a lateral meniscus tear and a medial meniscus tear is mainly based on the knee's range of motion during examination. Specifically, lateral meniscus tears are typically assessed through internal rotation of the tibia. This action places tension on the lateral meniscus, making symptoms associated with lateral tears more pronounced. Conversely, medial meniscus tears are evaluated using external rotation of the tibia, which stresses the medial meniscus and can highlight any pain or instability associated with medial injuries. This distinction is clinically significant because it guides the clinician's examination and subsequent diagnosis. Knowing how to evaluate each type effectively ensures a more accurate assessment, leading to appropriate management and treatment plans for the patient. The other options do not accurately represent the specific mechanisms involved in examining the menisci and lack the necessary anatomical and functional context.

The differentiation between a lateral meniscus tear and a medial meniscus tear is mainly based on the knee's range of motion during examination. Specifically, lateral meniscus tears are typically assessed through internal rotation of the tibia. This action places tension on the lateral meniscus, making symptoms associated with lateral tears more pronounced. Conversely, medial meniscus tears are evaluated using external rotation of the tibia, which stresses the medial meniscus and can highlight any pain or instability associated with medial injuries.

This distinction is clinically significant because it guides the clinician's examination and subsequent diagnosis. Knowing how to evaluate each type effectively ensures a more accurate assessment, leading to appropriate management and treatment plans for the patient. The other options do not accurately represent the specific mechanisms involved in examining the menisci and lack the necessary anatomical and functional context.