Thumb opposition: its definition and my approach to its measurement
Thumb opposition: its definition and my approach to its measurement
复制标题
拇指对立：它的定义和我的测量方法
DOI：
10.1177/1753193419889504
复制
发表时间：
2019
期刊：
影响因子：
--
通讯作者：
M. Tonkin
中科院分区：
文献类型：
--
作者：
M. Tonkin
腕掌关节（TMC）允许在额面进行伸展/屈曲（也称为径向外展/内收）运动;在矢状面进行外展/内收（也称为前倾/后倾）运动;以及旋后/旋前（绕拇指纵轴旋转）运动（图1）。前两个是角运动，第三个是轴向旋转。我更喜欢用伸展/屈曲和外展/内收这两个术语来描述额状面和矢状面的运动，而不是括号中的运动。然而，这两种方法都被不同的作者使用。环转是拇指从完全旋后30（复位）到中立旋转0（当拇指甲与额面成90度时，伸展20度，外展30度（中立位）），再到完全旋前90度（拇指甲与手掌额面平行）（对侧）的运动路径（图1）。
The trapeziometacarpal (TMC) joint allows movement in extension/flexion (alternatively termed radial abduction/adduction) in the frontal plane; abduction/adduction (alternatively, antepulsion/retropulsion) in the sagittal plane; and supination/pronation (rotation around the longitudinal thumb axis) (Figure 1). The first two are angular movements and the third is an axial rotation. I prefer to use the terminology extension/flexion and abduction/adduction for movements in the frontal and sagittal planes, and not those in brackets. Nevertheless, both are used by different authors. Circumduction is the path followed by the thumb in movement from full supination of 30 (reposition); to neutral rotation of 0 when the thumbnail is at 90 to the frontal plane with 20 of extension and 30 of abduction (neutral position); to full pronation of 90 with the thumbnail parallel to the frontal plane of the palm (opposition) (Figure 1).