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肘关节解剖运动学(最新课件)

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肘关节 解剖 运动学 最新 课件
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Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘 关 节 2016年5月 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 教学目的 1 掌握肘关节的解剖学构成 肘关节的骨性结构 肘关节的辅助结构 韧带 肌肉 血管 神 经 2 掌握肘关节的解剖学特点 3 掌握肘关节运动特点 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘关节 elbow joint 由肱尺 肱桡和桡尺近侧三组关节包于一个关节囊 内构成 故称为复关节 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 组成肘关节的骨性结构 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘后三角 肘关节表面标志系由肘部骨 性突起所 肘关节伸展时 肱骨内髁和 外髁与尺骨鹰嘴尖部三点在 一条直线上 肘关节屈曲 90 时 这三个骨性突起组 成倒立的等腰三角形 这种特征性的骨性标志对肘 部损伤的临床诊断有意义 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肱尺关节 由肱骨滑车和尺骨滑车切迹构成 属于蜗状关节 是肘关节的主体部分 运动 可绕关节额状轴做屈伸运动 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肱桡关节 由肱骨小头和桡骨小头凹构成 属于球窝关节 可绕关节额状轴做屈伸 绕关节做旋内 旋外运动 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 桡尺近侧关节 由桡骨环状关节面与尺骨的桡切迹构成 属于车轴关节 肢体绕垂直轴可做做旋内 旋外运动 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘关节的关节囊 附着于各关节面附近的 骨面上 肱骨内 外上 髁均位于囊外 关节囊前后松弛薄弱 两侧紧张增厚形成侧副 韧带 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘关节的韧带 肘关节有4个主要韧带 内侧是尺侧副韧带连 接尺骨和肱骨 外侧是桡侧副韧带连 接桡骨和肱骨 另外两个韧带是环状 韧带和方形韧带连接 尺桡骨 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 尺侧副韧带 一分三束 作扇形行于肱骨内上髁冠突于 鹰嘴之间 前束自内上髁至冠突 为一坚固的圆形 束 伸肘时紧张 后束薄作扇形 屈肘时紧张 斜行束由尺骨鹰嘴至冠突 可加深滑车 切迹 尺侧副韧带可稳定肘关节 防止屈肘时过 分移向外侧 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 呈扇形 起于肱骨外侧髁的外下方 其纤维部分止于桡骨环状韧带 部分 止于尺骨冠突的外下方 拮抗内翻 防止桡骨向外脱位 桡侧副韧带 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 桡骨环状韧带 呈环形 包绕桡骨头 两端附于尺骨桡切迹的前后缘 加固上桡尺关节 防止桡骨头上脱位 4岁前的幼儿 桡骨头发育不全 且环状韧带松弛 故当肘 关节伸直牵拉前臂时 易发生桡骨小头半脱位 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 方形韧带 起自尺骨上端的桡骨切迹 下缘止于与桡骨颈 其前部纤维限制桡骨的过 度旋后活动 后部纤维限制 桡骨的过度旋前活动 方形韧带 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 三个关节有一个关节囊包裹 关节囊的前 后壁薄弱而松弛 关节两侧则有韧带加强 即桡侧有桡侧副韧带 尺侧 有尺侧副韧带加强 桡骨头处有桡骨环状韧带 肘关节的解剖学特点 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘关节运动 屈伸运动 肘关节伸直为0 肘关节屈伸运动范 围约30 180 旋前 旋后运动 各90 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 1 具有屈肘功能的肌肉 肱二头肌 肱肌 肱桡 肌 旋前圆肌 桡侧腕屈肌 2 具有伸肘功能的肌肉 肱三头肌 肘肌 3 具有旋转功能的肌肉 旋前圆肌 旋前方肌 肱 二头肌 旋后 旋后肌 与肘关节运动相关的肌肉 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 起点 肩胛骨盂上结节及肩胛 骨喙突 止点 桡骨粗隆后份 作用 屈肘关节 前臂旋前时 有旋后作用 神经支配 肌皮神经 肱二头肌 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 起点 肱骨下半的前面 止点 尺骨粗隆 作用 屈肘关节 神经支配 肌皮神经 肱 肌 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 位于肱骨后方 起点 肩胛骨关节盂下方及肱 骨背面 止点 尺骨鹰嘴 作用 伸肘关节 神经支配 桡神经 肱三头肌 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 肘肌 位置 位于肘关节后面 呈三角形 起点 起于肱骨外上髁 止点 止于尺骨背面上部 功能 使肘关节伸 并加固肘关节 神经支配 桡神经 肘肌 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 旋前圆肌 起点 肱骨内上髁 尺骨冠 突 止点 桡骨中部前面 功能 屈前臂 并使前臂内旋 神经支配 桡神经 正中神经 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 复习 1 肘关节是由那几个关节构成的 2 对肘关节运动起稳定作用的韧带有 3 参与肘关节屈 伸运动的肌肉分别有 4 肘关节的运动范围 Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial
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