ACL insufficiency •••••••••••••••••••••• With the popularity of leg locks in modern grappling, such

ACL insufficiency
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With the popularity of leg locks in modern grappling, such as heel hooks, there is a higher likelihood of ligamentous injury. .
Lachman’s test: This is an orthopedic test used to assess the integrity of the anterior crucial ligament (ACL). The ACL’s primary role is to resist anterior translation, especially at 20-30 degrees of knee .
Lachman Statistics: 84.6% sensitivity and >95% specificity. High specificity means it is excellent test to rule in ACL damage. .
Note for non-clinicians: Clinicians make diagnosis with a variety of data, one test is not the only way to rule in our rule out an injury.
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Video footage credit: @drnimamehran