title: Voluntarily evoked positive Lachman test produced by gastrocnemius muscle contraction. A report of three cases.
authors.forename: A J
authors.initials: AJ
authors.lastname: Cosgarea
mesh_terms: D016118:Anterior Cruciate Ligament / Q000601:surgery; D000070598:Anterior Cruciate Ligament Injuries; D001696:Biomechanical Phenomena; D006801:Humans; D007593:Joint Instability / Q000503:physiopathology* / Q000601:surgery; D007718:Knee Injuries / Q000503:physiopathology* / Q000601:surgery; D009119:Muscle Contraction; D018482:Muscle, Skeletal / Q000503:physiopathology*; D013977:Tibia / Q000293:injuries*