Clinical study of low back pain and radicular pain pathways by using l2 spinal nerve root infiltration: a randomized, controlled, clinical trial.

Study Design.Randomized control trial (RCT) for L2 spinal nerve infiltration (L2 block) in clinical cases.Objectives.To confirm or refute the effect of L2 block using RCT, and to study the pathway of low back pain (LBP) and radicular pain in clinical cases.Summary of Background Data.It has been repo