,At that time, attention was directed to the L3 body where the needle was placed to the upper one-third/distal two-thirds junction and the sequence of injection, coagulation, and negative motor stimulation with needle withdrawal one time of a 5 mm distance was repeated. 
,At that time , attention was directed to the L3 body where the needle was placed to the upper one - third / distal two - thirds junction and the sequence of injection , coagulation , and negative motor stimulation with needle withdrawal one time of a 5 mm distance was repeated .