眼球运动.ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,眼球运动,杜万良,2010.4.21,先看两幅图。有问题吗？,眼外肌的解剖,眼外肌的解剖,眼球的运动是三维的,眼外肌的作用力随眼位而改变,眼外肌的作用力随眼位而改变,图,b,显示第一眼位的作用力,Extraocular,Muscles,Primary Action,Secondary Action,Tertiary Action,Lateral,rectus,Abduction,外转,None,None,Medial,rectus,Adduction,内转,None,None,Superior,rectus,Elevation,上转,Incyclotorsion,内旋,Adduction,内转,Inferior,rectus,Depression,下转,Excyclotorsion,外旋,Adduction,内转,Superior Oblique,Incyclotorsion,内旋,Depression,下转,Abduction,外转,Inferior oblique,Excyclotorsion,外旋,Elevation,上转,Abduction,外转,肌群,内转肌,=,直肌,外转肌,=,斜肌,上转肌,=,上直肌 下斜肌,下转肌,=,下直肌 上斜肌,内旋肌,=,上直肌 上斜肌,外旋肌,=,下直肌 下斜肌,图,a,显示第二和第三眼位的作用力,