Lachman Test For An Acl Tear
How the Test Is Performed With the patient lying flat and relaxed, the examiner bends the knee slightly (about 20 to 30 degrees). The examiner then stabilizes the thigh while pulling the shin forward. Holding the leg in slight external rotation (outwards) will help relax the IT band. The test places stress on the ACL. Both the amount of movement (shifting) of the shin bone, as well as the feel of the endpoint of movement (how solid the ligament feels), offer information about the ACL....