Method: A total of 200 ping-pong players definitely diagnosed as lumbar disk hernia were enrolled. All patients were randomized into research group and control group. Of those, 100 patients of the control group were subjected to traction therapy while the other 100 of the research group underwent Tuina treatment.US Biodex System III Multi-joint Isokinetic Speed Test System and TeleMyo2400T Surface EMG were applied to detect the biomechanical characteristics of lumbar extensor before and after therapy, thus comparing the therapeutic efficacy bet...
