目的：检测沿海地区新兵这个特殊群体入伍前后的骨密度情况，以分析影响该特殊群体骨密度值的相关因素，及探讨减少军事训练伤的发生及提高该群体骨密度值的方法。方法选取沿海地区某部2013年9月新入伍的334名战士，进行骨密度测量及问卷采集，在3个月军事训练结束后再测量一次骨密度。结果新兵骨密度骨量低下者占59％；训练前后骨密度Z值比较，无显著性差异（ P＞0．05）；影响骨密度的相关因素分析显示，运动是该特殊群体骨量的保护因素，相关系数β为1．036，OR值为0．351；习惯性饮用碳酸饮料是危险因素，相关系数β为1．732，OR值为5．505。结论新入伍战士骨量低下应引起高度重视，应将骨密度检测列为新兵遴选的必查项目之一，以利于后期进行有针对性的军事训练，减少军事训练伤的发生。规律运动、戒烟限酒、养成健康的生活作息习惯，是提高该特殊群体骨密度值最简便且有效的干预方法。%Objective To study the status of bone mineral density in army recruits in the coastal areas before and after training, to analyze the influence factors related to bone mineral density, and to evaluate the methods of reducing the incidence of military training injuries and improving bone mineral density in the group.Methods Three hundred and thirty-four new soldiers enlisted in September 2013 were selected to measure bone mineral density and to collect questionnaire.Bone mineral density was measured again at the end of 3-month military training.Results The low bone mass occurred in 59%of the new soldiers.The Z score was not statistically significant before and after the training (P>0.05).The analysis influential factors of mineral bone density showed that sport was a protective factor (correlation coefficientβ=1.036, OR=0.351), but habitual drinking of carbonated drinks was a risk factor ( correlation coefficient β=1.732, OR =5.505).Conclusion Low bone mass in recruits should be paid more attention.Bone mineral density detection should be examined during recruit selection, in order to facilitate the later training and to reduce the incidence of military training injury.Regular exercise, no alcohol drinking and smoking, and develop a healthy lifestyle are the most simple and effective intervention method to improve the bone mineral density of this special group.
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