“…The progression of osteoarthritis for the active individual [ 7 , 8 , 5 ]. Diagnostic tests used to confirm trauma to the ACL include the Lachman test [ 3 , [8] , [9] , [10] ], the prone Lachman test [ 11 ], the pivot shift test [ 3 , [8] , [9] , [10] ], and the KT1000/2000 arthrometer [ 3 , 8 , 9 ]. Magnetic Resonance Imaging (MRI) is also used because it provides the fine soft tissue detail necessary for a definitive diagnosis [ 10 ].…”