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本文作者从1960.1～1980.12共21年间,在各大整形外科中汇集了因运动所致疲劳性骨折162例,其中男性111例,女性51例,以胫骨最多。在81例疾跑型胫骨疲劳性骨折中,其发生部位多见于胫骨的上、中1/3～1/4(71例,87.7%)。而在欧美则多见于胫骨的中部和下、中1/3位。其发生部位的分布,与笔者调查的结果有显著不同。笔者认为,这种差异是否与日本人的小腿多倾向于内翻,相反欧美人多倾向外翻有关?为了证实其推断究竟是否正确,通过光弹性实验,从生物力学角度加以研讨,并将其有价值的结果予以摘要报告。材料与方法对日本成人的正常、内翻
The author from 1960.1 to 1980.12 a total of 21 years, major plastic surgery in the collection of fatigue caused by exercise in 162 cases, including 111 cases of male and 51 females to the tibia. In 81 cases of spondylosis tibial fatigue fractures, the occurrence of the site more common in the tibia, in 1/3 to 1/4 (71 cases, 87.7%). In Europe and the United States is more common in the middle and lower tibia, 1/3. The distribution of the site of its occurrence, and the author’s survey results are significantly different. In my opinion, this difference is more prone to the varus with the Japanese calf, on the contrary, Europe and the United States tend to valgus about? In order to confirm whether its inference is correct, through the photoelastic experiment, from the biomechanical point of view, and its Valuable results to be summarized report. Materials and Methods Normal, varus of Japanese adults