腕部长期大负荷应力刺激对掌骨结构影响的螺旋CT分析  

Effects of chronic and heavy stress on metacarpal structure:an analysis of CT image

作　　者：董文瑶[1] 刘鸿宇[1] 甄俊平[2] 张永林[2] 陈雁卉[3] 贾慧贤[1] 

机构地区：[1]中北大学运动医学研究所,山西太原030051 [2]山西医科大学第二医院影像科,山西太原030001 [3]山西晋城煤业集团总医院CT室,山西晋城048006

出　　处：《解剖学研究》2013年第2期112-116,共5页Anatomy Research

摘　　要：目的探讨腕掌部功力运动对掌骨形态结构的影响。方法选择高水平单掌断砖功力运动者8人、普通体育运动者8人,均为男性。用螺旋CT扫描手掌部,对各掌骨进行二维和三维重建,测量其体积、骨皮质厚度和第Ⅴ掌骨弯曲度。结果功力组右手第Ⅱ至第Ⅴ掌骨体积均大于对照组(P<0.05)。右手第V掌骨体积大于左手(P<0.05)。功力组右手第Ⅱ至第Ⅴ掌骨横径均大于对照组(P﹤0.05)。右手第Ⅴ掌骨横径大于左手(P﹤0.01)。功力组右手第Ⅴ掌骨骨皮质厚度大于对照组(P﹤0.05)。右手第Ⅳ和第Ⅴ掌骨骨皮质厚度均大于左手(P﹤0.05,P﹤0.01)。功力组右手第Ⅴ掌骨骨皮质厚度指数大于对照组(P﹤0.05)。功力组右手第Ⅴ掌骨弯曲度大于对照组(P﹤0.05),右手第Ⅴ掌骨弯曲度大于左手(P﹤0.05)。结论长期功力运动(单掌断砖)所引发的大负荷应力刺激可使掌骨形态结构发生特异性和适应性改变,表现为右手(发力手)骨体积增大、骨横径增大、骨皮质增厚和第Ⅴ掌骨弯曲度改变,该骨学特征是除了运动技巧以外腕掌部巨大爆发力或剪切力发生的功能解剖学基础。Objective To explore the effects of wrist metacarpus gongli exercise on structure and morphology of the metacarpal bones, was studied by use of imaging anatomy. Methods There were 8 male high-level gongli athletes whose skills were to strike off bricks with their hands and 8 sports enthusiasts served as a control. All of their hands were scanned by a spiral CT. The two/three-dimensional images of metacarpal bones were reconstructed, and their volume, cortical thickness and bending angle of 5th metacarpal bone were measured. Results （ 1 ） Compared with the control group, the volume of 2nd, 3rd, 4th and 5th metacarpal of the right hand in the gongli group were all significantly increased （P 〈 0.05 ）. In the gongli group, the volume of 5th metacarpal of the right hand were larger than that of the left （P 〈 0.05）. （2） Compared with the control group, the transverse diameter of 2nd, 3rd, 4th and 5th metacarpal of the right hand in the gongli group were all significantly increased （P 〈 0.05 ）. In the experimental group, the transverse diameter of 5th metacarpal of the right hand were larger than that of the left （P 〈 0.01 ）. （3） The cortical thickness of 5th metacarpal of the right hand in gongli group were larger than that in the control （P 〈 0.05 ） ; The cortical thickness of 4th and 5th metacarpal of the right hand in the gongli group were larger than that of the left （P 〈 0.05, P 〈 0.01 ）. In the gongli group, the cortical thickness ratio of 5th metacarpal of the right hand were larger than that in the control （P 〈 0.05）. （4） The bending angle of 5th metacarpal bones of the right hand in the gongli group were larger than that in the control （P 〈 0.05）, and than that of the left hand in the gongli group （P〈 0.05）. Conclusion Chronic and heavy stress induced bg gongli power would lead to some specific and adaptive changes about structure and morphology of the metacarpal bones such as volume, transverse diameter, cortical thickness and bending ang

关 键 词：掌骨 功力运动 骨皮质厚度 弯曲度 螺旋CT 运动医学 

分 类 号：R816.8[医药卫生—放射医学]