In my clinical practice for manual laborers, I realized gradually that their lower back strain were closely bound up Malposition of pelvis, which was usually ignored by others.

• 在诊治体力劳动者疾患的临床实践中，逐步认识到他们的“腰脊”劳损，与“骨盆歪斜”息息相关，而这点往往被人忽视。