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首页> 外文会议>Ergonomics Society Annual Conference; 200604; Robinson College Cambridge(GB) >EFFECTS OF VIEWING ANGLE ON THE ESTIMATION OF JOINT ANGLES IN THE SAGITTAL PLANE
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EFFECTS OF VIEWING ANGLE ON THE ESTIMATION OF JOINT ANGLES IN THE SAGITTAL PLANE

机译：视角对矢状平面关节角估计的影响

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摘要

In assessing risks related to working posture, pictures of postures are taken from various directions, which can be a source of observation error. Joint postures of the neck, low back, knee, shoulder, and elbow were taken from 7 different viewing angles and 19 observers estimated joint angles after observing the pictures in 2-dimensional display. The joint angles were also measured using an optoelectronic motion measurement system. The estimation error increased as the viewing angles increased, but the patterns differ according to which joint angles were being observed. In general, it is strongly recommended to maintain the viewing angle within 40 degrees from the sagittal plane, while taking pictures of postures from the behind the individual is least recommended.
机译：在评估与工作姿势有关的风险时，会从各个方向拍摄姿势图片，这可能是观察误差的来源。颈部，下背部，膝盖，肩膀和肘部的关节姿势是从7个不同的视角拍摄的，并且19位观察者在以二维显示方式观察图片后估计了关节角度。还使用光电运动测量系统测量了关节角度。估计误差随着视角的增加而增加，但是根据观察到的关节角度的不同，图案也会有所不同。通常，强烈建议将视角保持在距矢状面40度以内的位置，而建议不要从个人背后拍摄姿势的照片。

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