The “Lever Sign”: a new clinical test for the diagnosis of anterior cruciate ligament rupture
Alessandro Lelli · Rita Paola Di Turi · David B. Spenciner · Marcello Dòmini
In 2005, a new physical test called the “Lever Sign” test was conceived of and put into practice as a diagnostic tool for both partial and complete tears of the ACL. Regardless the Type of injury whether it is a partial or complete
tear of the ACL, or the time frame,the lever sign has been proved to be more sensitive to correctly diagnosing the ACL injury compared with other common manual tests. And to have perfect agreement (a specificity and sensitivity of 94–98 % in detecting ACL
Injury) between the outcome of the Lever Sign test and the MRI findings.
Since the Lever Sign test has been shown no pain, guarding or associated or re-injury when applied, which represents an opportunity administering the physical tests to an acutely injured knees with a clearer picture in the future.
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