Observation Of Knee Flexion And Muscle Strength After Reconstruction Of Anterior Cruciate Ligament With Autologous Hamstring Tendons

Objective: objective to study the changes of knee flexion muscle force after anterior cruciate ligament reconstruction with autologous hamstring tendons.Methods from October 2015 to October 2016,autologous hamstring tendon or allogeneic tendon reconstruction of anterior cruciate ligament(ACL)of patients by sifting through this study participants included 52 cases of allogeneic tendon reconstruction of ACL(group A)and66 cases of hamstring tendon autograft with side after 12 months of reconstruction of ACL(group B)of the patients,respectively,A detailed record of 12 months follow-up in patients with different knee Angle changes the buckling strength of lower limbs.The effects of autologous tendon ACL reconstruction on knee flexion muscle strength were evaluated by comparing the differences between the two methods.Results after 12 months,group A all follow-up of patients with knee flexion 45° bilateral buckling strength when the difference of(1.67±0.83)N,group B all follow-up of patients with knee flexion 45°bilateral buckling strength when the difference of(1.98 ± 0.95)N,no significant statistical difference(P > 0.05).Group A all the follow-up of patients with knee flexion90° when bilateral buckling strength of an difference of(2.23±0.97)N,group B all the follow-up of patients with knee flexion 90° when bilateral buckling strength of an difference of(16.41 ± 2.13)N,the difference was statistically significant(P <0.05).Group A all the follow-up of patients with knee flexion 110° bilateral buckling strength of an difference of(2.11±0.93)N,group B all the follow-up of patients with knee flexion 110° when bilateral buckling strength of an difference of(11.46±1.64)N,the difference was statistically significant(P < 0.05).Conclusion autologous hamstring tendon reconstruction of ACL and allogeneic tendon reconstruction ACL limb musclestrength at 45° bilateral knee flexion strength no significant statistical differences between two methods,but at 90° and 90° of knee flexion muscle tendon allograft reconstruction with autogenous tendon reconstruction of patients muscle recover better.