Lachman Test

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Purpose
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The Lachman's test is a passive accessory movement test of the knee which is performed to identify the integrity of the anterior cruciate ligament or ACL. The test is designed to assess single sagittal plane instability.

Technique
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This test is  traditionally performed with a patient in a supine position with the knee flexed between 20 and 30 deg.  The examiner stabilizes the femur with the hand that is closer to the head and places the other hand on the proximal aspect of the posterior-medial aspect of the tibia.

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References[edit | edit source]

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