Investigation of the dynamic body balance by tracking a moving target on CRT using visual-guided stimulation.

通过使用视觉引导刺激在 CRT 上跟踪移动目标来研究动态身体平衡。

• 批准号: 05671447
• 负责人: YAMAMOTO Masahiko
• 金额: $ 1.34万
• 依托单位: Toho University School of Medicine
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1993
• 资助国家: 日本
• 起止时间: 1993 至 1994
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-05671447/
• 关键词: visual-guided stimulation; gravic body sway; body equilibrium; tracking ability; body tracking test; BTT; 視覚刺激; 追随機能; 平衡機能; Body Tracking Test(BTT)

In order to evaluate the function of the dynamic postural equilibrium, a computer-assisted evaluation system was constructed utilizing a gravicorder and a computer-controlled, dynamic target displayd on CRT.The system is constructed in such a way that the moving target on CRT is tracked by the volitional bodily movements, the gravitational center of which is simultaneously displayd on the same CRT.One is asked to attempt tracking the moving target by the center of body movement.This system is thus named the Body Tracking Test (BTT).System : Gravicorder is a G5500 model of ANIMA Co.and a PC 9801 personal computer (NEC) and a A/D converter (Analog-pro and ADX-98 model of Canopus C). A display stand was specially made by Hata Electric Co. ; i.e., the display stand can bring the moving target up to an appropriate height at the level of examinee's eyes.Method : The display stand was set in front of gravicorder and the eye level of the examinee.The moving target was displayd according to the … More BTT program.The examinee was to track the moving target on display by voluntary motions of the body. BTT programs contain several patterns, that include laterally moving, anterior-posterior moving, circling (clock-wise and counterclock-wise), and random stimulation.In this investigation, the stimulation used was in most case that of lateral movements.Analysis method : For evaluation of BTT,I have developed programs for data analysis.For this trial, the BTT was evaluated by comparing the moving distances of the target with that of bodily gravic movements for tracking the moving target. The test parameters. THE distance between the CRT and examinee, laterally moving target speed on CRT and the gain of displayd gravitational center as an output data from the gravicorder. The output power of gravicorder was 100mv/10Kg・cm.Results : Analysis of many BTT data of normal subjects revealed the following results.The most appropriate moving speed of target was 0.125Hz on the span of 15cm.2. The gain of the displayd target for tracking against a moving target was twice larger than that of moving target.3. Distance of the target from the gravicorder was 100 cm.According to the setup of these parameters, the test has been performed without major difficulty either of the examinee or the machine side and the results thus obtained were rather consistent.In the future, the BTT will be used to evaluate the quality and magnitude of disability brought about by the disorders of equilibrium, its rehabilitational functions and so forth.It will be utilized also to evaluate the equilibrium functions of an individual, when one's proficiency for specific sports is to be evaluated. Less

为了评估动态姿势等效的功能，使用重量订单和CRT上显示的计算机控制的动态目标构建了计算机辅助的评估系统。该系统的构建方式以使CRT上的移动目标跟踪，该系统是由自动性运动中心构建的，该系统仅通过cr的范围进行了移动，该系统在crt的中心，即在同一crtthement of the the the of the Cryth of the of the CRET。因此，被命名为身体跟踪测试（BTT）。系统：Gravicorder是Anima Co.的G5500型号，PC 9801个人计算机（NEC）和A/D转换器（Canopus C的Analog-Pro和ADX-98模型）。 Hata Electric Co.特别制造了展示台。即，显示架可以使移动目标在考生的眼睛水平上提高到适当的高度。方法：显示台设置在重型订单前和Examee的眼睛级别。根据…更多的BTT程序显示移动目标。Examee是由身体自愿进行的移动目标跟踪移动目标。 BTT程序包含几种模式，包括横向移动，前后移动，盘旋（循环和反向电键）和随机刺激。在此研究中，在大多数情况下，使用的刺激是横向运动方法：用于评估BTT的横向运动方法，我已经开发了用于数据分析的程序。对于该试验，该试验的移动是通过对移动进行的。 目标。测试参数。 CRT和EXAMEE之间的距离，CRT上的横向移动目标速度以及显示的重力中心的增益，作为重量订单的输出数据。重量订单的输出功率为100mV/10kg ・ cm。恢复：对正常受试者的许多BTT数据的分析显示了以下结果。最合适的目标移动速度在15cm.2的跨度为0.125Hz。针对移动目标跟踪的显示目标的增益比移动目标大的两倍。3。 Distance of the target from the gravicorder was 100 cm.According to the setup of these parameters, the test has been performed without major difficulty either of the examee or the machine side and the results thus obtained were rather consistent.In the future, the BTT will be used to evaluate the quality and magnitude of disability brought about by the disorders of equilibrium, its rehabilitational functions and so forth.It will be utilized also to evaluate the当一个人能够评估特定运动的能力时，个人的平衡函数。较少的