Anterior Drawer Test assesses instability of which ligament?

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Multiple Choice

Anterior Drawer Test assesses instability of which ligament?

Explanation:
Anterior Drawer Test evaluates the ACL’s control of front-to-back knee movement. The ACL prevents the tibia from translating forward relative to the femur. If the ACL is torn or lax, the tibia slides forward more than normal when the tibia is pulled anteriorly, producing a positive test with increased anterior translation and a diminished or absent end feel. The test is performed with the knee flexed about 90 degrees, the foot stabilized, and the clinician pulling the tibia forward to feel for excessive motion. This instability is specific to the ACL, whereas the posterior drawer test assesses the PCL’s restraint to backward movement, and valgus/varus stress tests evaluate the medial and lateral collateral ligaments.

Anterior Drawer Test evaluates the ACL’s control of front-to-back knee movement. The ACL prevents the tibia from translating forward relative to the femur. If the ACL is torn or lax, the tibia slides forward more than normal when the tibia is pulled anteriorly, producing a positive test with increased anterior translation and a diminished or absent end feel. The test is performed with the knee flexed about 90 degrees, the foot stabilized, and the clinician pulling the tibia forward to feel for excessive motion. This instability is specific to the ACL, whereas the posterior drawer test assesses the PCL’s restraint to backward movement, and valgus/varus stress tests evaluate the medial and lateral collateral ligaments.

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