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应用单光子骨密度仪（ＳＰＡ）测量１０５名男性空勤人员非优势侧前臂中远１／３，１／６，１／１０部位的骨密度（ＢＭＤ，ｇ／ｃｍ２），并与廊坊男性成人前臂远端相应的各部位骨密度测定值比较。结果表明，空勤人员前臂中远１／３，１／６，１／１０部位骨密度均低于或偏低于廊坊市区健康成人骨密度，其中１／３部位各年龄组桡尺骨骨密度差异具有非常显著性（Ｐ＜０．０１）；１／６部位各年龄组桡骨骨密度和≥３０岁组尺挠骨骨密度差异有显著性（Ｐ＜０．０５）；１／１０部位各年龄组桡尺骨骨密度差异无显著性（Ｐ＞０．０５）。所测空勤人员各部位桡尺骨骨密度随年龄增长，≥３０岁组骨密度略有增高，形成一个不明显的峰值骨量。
The bone mineral density (BMD, g / cm2) of 1/3, 1/6 and 1/10 of COSCO non-dominant side forearms was measured by single photon bone densitometry (SPA) Corresponding to each part of the measured bone mineral density comparison. The results showed that the bone mineral density of 1/3, 1/6 and 1/10 parts of aircrew forearm were lower or lower than that of healthy adults in Langfang urban area, and the difference of the radioulnar BMD in 1/3 age group (P <0.01). There was a significant difference in radioulm bone mineral density (BMD) in each age group from 1/6 to 30 (P <0.05) There was no significant difference in the radioulnar BMD (P> 0.05). The measured aircrew bone mineral density of all parts of the flight crew increased with age, ≥30 years old group slightly increased bone mineral density, the formation of an obvious peak bone mass.