320 patients requiring anterior cruciate ligament repair were randomized to three groups to compare two forms of single bundle repair with the anatomical double bundle repair. Patients underwent either conventional single bundle (CSB), anatomical single bundle (ASB), or anatomical double bundle (ADB) repair. Results at a mean follow-up of 51 months indicated that ASB repair provided superior anteroposterior and rotational stability compared to CSB repair. However, ADB repair provided superior stability scores compared to both single bundle groups and significantly greater functional scores when compared to CSB repair.