荣昌县中小学生臀肌挛缩症流行病学调查

目的：通过对荣昌县18所中小学在校生进行臀肌挛缩症调查，掌握荣昌县中小学生臀肌挛缩症的发病率。方法对在校生进行步态、并膝下蹲、弹响征、Obber征、臀部肌肉情况、髋关节活动情况进行一般筛查。结果通过对全县18所中小学约15000例在校生进行臀肌挛缩症的相关检查，确诊25例，检出率1．67‰。检出者中有肌肉注射史者占70％；有40％为留守儿童。结论荣昌县中小学生臀肌挛缩症患病率与全国其他地区患病率相当，应加强对该病的防治。

Epidemiological survey of gluteal muscle contracture of primary and secondary students in Rongchang county

Objective To investigate the incidence of gluteal muscle contracture(GMC) of students in 18 primary and secondary schools in Rongchang county .Methods We used health screening tests to investigate students′health condition about gait and knee squat ,snapping levy ,obber levy ,hip muscles ,the hip joint activities .Results Among the 15 000 students in 18 primary and second‐ary schools in Rongchang county ,25 case(1 .67‰)were diagnosed with GMC ,70% of them had received muscular injection and 40% of them were Left‐behind children .Conclusion The incidence rate of GMC in Rongchang county is appropriate to other parts of our country ,the disease should be strengthened to prevent and treat .