1. Cervicodynia/Omalgia/Lumbago/Sciatica Department, Sichuan Provincial Orthopedic Hospital, Chengdu, Sichuan 610041, P.R. China
2. Postgraduate School, Chengdu Sport Institute, Chengdu, Sichuan 610041, P.R. China
3. College Hospital, Sichuan Agricultural University ‑ Chengdu Campus, Chengdu, Sichuan 611130, P.R. China