肘关节应用解剖及生物力学XXXXX 市人民医院--- 创伤骨科软组织静力稳定结构内侧副韧带复合体外侧副韧带复合体关节囊动力稳定结构肘关节周围肌肉肘关节肱尺关节滑车关节肱桡关节球窝关节 上尺桡关节滑膜关节1 、骨Berry M E.Elbow Disorders and Injuries. RADIOLOGIC TECHNOLOGY, July/August 2013, Volume 84, Number 6 1.1 肱骨远端前面观后面观前倾角外翻角Diederichs G.Three-dimensional distribution of trabecular bone density and cortical thickness in the distal humerus. J Shoulder Elbow Surg (2009) 18, 399-407皮质厚度及骨密度分别特点：前后内外厚薄皮质厚度分布图内侧柱骨密度较外侧住高31% - 36%内侧柱皮质厚度较外侧高22% - 38%肱骨小头骨密度明显低Korner J.et al.The LCP-concept in the operative treatment of distal humerus fractures – biological, biomechanical and surgical aspects. Injured 34 (2003) S-B20–S-B30. 1.2 桡骨近端桡骨头--- 维持肘关节外翻稳定的次要结构（30% ） 60% 的轴向应力经桡骨头传导至肱骨随年龄增高： 桡骨小头骨密度 骨小梁稀疏、皮质变薄 且以女性明显Gebauer M.et al.Microarchitecture of the Radial Head and Its Changes in Aging. Calcif Tissue Int (2010) 86:14–22.前臂中立位划分桡骨小头为4 个象限 前外象限--- 绿色 前内象限--- 蓝色 后外象限--- 紫色 后内象限--- 红色尺骨切迹后内前外骨量： 后内象限 > 后外象限 > 前内象限 > 前外象限即桡骨小头前外侧骨量最低，可能是前外侧骨折最常见的原因之一Haverstock JP.et al.Regional variations in radial head bone volume and density: implications for fracture patterns and fixation. J Shoulder Elbow Surg (2012) 21, 1669-1673 1.3 尺骨近端An K,Morrey BF （2000 ）.Biomechanics of the elbow.In :Morrey BF The elbow and its disorers,3rd edn.W.B.Saunders,Philadelphia,pp43-60.Fornalski S ,et al.Anatomy and Biomechanics of the Elbow Joint. Techniques in Hand and Upper Extremity Surgery 7(4):168–178, 200375%--80% 的外翻应力作用于鹰嘴近端的一半60%--67% 的内翻应力作用于冠状突屈曲20°--- 鹰嘴与鹰嘴窝...
