Upper limb motion analysis using haptic interface
Upper limb motion analysis using haptic interface
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DOI：
10.1109/3516.951363
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发表时间：
2001-09-01
影响因子：
6.4
通讯作者：
Primozic, A
中科院分区：
文献类型：
--
作者：
Bardorfer, A;Munih, M;Primozic, A
提出了一种评估神经系统疾病（ND）患者上肢（UL）功能研究的客观测试。该方法可以评估 UL 的运动学和动态运动能力。我们的方法基于创建虚拟环境，使用计算机显示器提供视觉信息和 PHANTOM 触觉界面。触觉接口用作运动学测量设备并为患者提供触觉反馈。在虚拟环境中，每次测试开始时都会在患者额状面上创建一个迷宫。通过移动触觉界面控制杆，患者能够在三个维度上移动指针（球）穿过迷宫并感受到墙壁的反作用力。患者的首要任务是尽快通过迷宫，并尽可能减少与墙壁的接触（碰撞）。该测试使不同程度的复杂性成为可能；通过选择具有不同轨道宽度和长度的迷宫，以及改变壁摩擦力。新测试提供了广泛的数字和图形结果。迄今为止，它已应用于 13 名患有各种形式 ND 的受试者（例如弗里德赖希共济失调、帕金森病、多发性硬化症）以及健康受试者。左右 UL 的性能比较已在健康受试者中进行。
An objective test for evaluating the functional studies of the upper limbs (UL) in patients with neurological diseases (ND) is presented. The method allows assessment of kinematic and dynamic motor abilities of UL. Our methodology is based on creating a virtual environment, using a computer display for visual information and a PHANTOM haptic interface. Haptic interface is used as a kinematic measuring device and for providing tactile feedback to the patient. In virtual environment, a labyrinth in patient's frontal plane was created at the start of each test. By moving the haptic interface control stick the patient was able to move the pointer (a ball) through the labyrinth in three dimensions and to feel the reactive forces of the wall. The patient's primary task was to pass the labyrinth as quickly as possible, with as few contacts (collisions) with the walls as possible. The test makes various degrees of complexity possible; by choosing labyrinths with various track width and length, and by changing wall friction. The,new test offers a wide range of numerical and graphic results. It has so far been applied to 13 subjects with various forms of ND (e.g., Friedreich Ataxia, Parkinson's disease, Multiple Sclerosis) as well as to healthy subjects. The comparison in performance between right and left UL has been carried out in healthy subjects.