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１９９２年６月，对华南某地区５６８７名中小学生及幼儿园幼儿臀肌挛缩症的患病情况进行了普查，患病率为４．７５％（２７０／５６８７）。男女孩患病率有非常显著的统计学差异（ｘ２＝８．８１，Ｐ＜０．０１），低龄儿童明显高于高龄组儿童。在附近另一地１４２４名小学生及幼儿园幼儿只发现３名患儿，患病率只有０．２１％。通过调查分析，排除了地理环境、水质污染、风俗习惯等因素的影响。臀部肌肉注射可能是主要病因，但不排除遗传及先天因素。肌肉注射率与患病率呈正相关。体质与性别本身的差异在病因学上的地位有待进一步确定。
In June 1992, the prevalence of gluteal muscle contracture in 5687 primary and secondary school children and kindergarten in a district of South China was surveyed, the prevalence was 4.75% (270/5687). The prevalence of boys and girls had a very significant statistical difference (x2 = 8.81, P <0.01), young children were significantly higher than those in the elderly group. In the nearby 1424 primary school children and kindergarten children, only 3 children were found, with a prevalence of only 0.21%. Through the investigation and analysis, ruled out the geographical environment, water pollution, customs and other factors. Buttock muscle injection may be the main cause, but does not rule out genetic and innate factors. Muscle injection rate and the prevalence was positively correlated. Differences in physique and gender in the etiology of the status to be further determined.