However, Chen reserves his greatest sigh of disapproval for the thousands of self-styled zhenggushi who practice forms of bone adjustment based on family traditions or who have taken a brief course and then hang out their shingle as specialists in curing back pain. So what is the difference between a chiropractor and a zhenggushi?
對於坊間上千家依循祖傳或是修習短期課程，便打著治療背部酸痛毛病旗號開業做生意的情形，他更是感嘆不已。倒底脊骨神經科醫師與坊間整骨師在徒手操弄手法上，有何差別？