世界针灸学会联合会

运动视频分析技术在针刺提插手法教学过程中的师生对比研究

作者:孙梦晓 来源:本站原创 点击:1152次 更新:2018-08-17
  

唐文超1,杨华元1,郭 义2,刘堂义1,高 明1

(1 上海中医药大学针灸推拿学院,上海201203;2 天津中医药大学针灸学院,天津 300193)

摘要:目的: 通过德国Simi Motion 3D三维运动图像解析系统对师生提插平补平泻手法进行量化分析,获得手法参数,对比手法特征。探索运动视频技术研究针刺手法的可行性,并指导教学。方法:研究选择30名针灸教师及60名针灸专业学生,取一侧“曲池穴”作为施术穴位,记录两组成员提插平补平泻20s的运动视频。视频经由Simi Motion 3D三维运动图像解析系统分析,得出“拇指指尖”等四个跟踪标记点位原始运动参数。通过t检验或秩和检验对比两组人员在相同手法施术过程中各跟踪标记点位的物理学参数差异情况,通过神经网络分析教师手法分类参数。结果:针刺手法参数呈非正态分布;提插手法近端指间关节角度的变化与X轴运动幅度呈正相关;教师组拇指指尖点位的力学输出与运动参数、食指近端指间关节开合角度以及X轴向摆动高于学生组;教师组提插手法可分4类,主要根据曲线外形及周期长短进行。结论:针刺手法参数总体上表现为非正态分布的多样性特征,且操作者拇食指的节律性双轴运动显著,提插手法可简化为以食指与拇指掌指关节为转轴中心的定轴转动;与学生组相比,提插过程中教师组更为用力、手指关节开合角度更大。针刺手法参数曲线为典型“人为控制曲线”,表现出神经网络分类集中度较低的特点;实验结果显示教师对于提插手法的特征理解不一,将会影响教学效果。

关键词:针刺手法;运动视频;参数;神经网络

Comparative Research of Lifting-thrusting Manipulation during Acupuncture Teaching between Teacher and Student with Motion Video-based Analysis Technology

TANG Wenchao1, YANG Huayuan1*, Guo Yi2, LIU Tangyi1, GAO Ming1

( 1. Acupuncture-Moxibustion and Tuina College of Shanghai University of Traditional Chinese Medicine,Shanghai 201203,China;2. Acupuncture College of Tianjin University of Traditional Chinese Medicine,Tianjin 300193,China)

Abstract: Objective: To obtain parameters and compare characteristics of acupuncture manipulation by quantitative analysis on lifting-thrusting of teacher and students with 3D movement image analysis system(Simi Motion 3D). Methods: 30 teachers (teacher group) and 60 students (student group) majored in acupuncture and moxibustion were selected in this study and Quchi (LI-11) point on one side was chose as the operation point. Movement video was record 20s for lifting-thrusting manipulation. The videos were analyzed by Simi Motion 3D, and original movement parameters of 4 trace mark locations such as thumb tip were obtained. Difference of the physical parameters between 2 groups were compared by t-test or rank-sum test with same manipulation. The sorting parameters of teacher group were obtained by SOM. Result: Acupuncture manipulation parameters presented an abnormal distribution. The change of interphalangeal joint at the near-end was positively associated with movement range of x-axis. The output strength and movement parameters of the thumb fingertip, the open angle and x-axis shaft swing of the near-end of forefinger in the teacher group were higher than that in student group. Lifting and thrusting manipulation can be divided into 4 types, mainly according to the curve sharp and cycles length. Conclusion: Acupuncture manipulation parameters presented an abnormal distribution that with multiple features, and the rhythmic double-shaft movement of the thumb and forefinger of the operator is obvious. The lifting and thrusting method could be simplified as a fixed-axis rotation taking metacarpophalangeal joints of the thumb and forefinger as the shaft center. The teacher group used more strength and open a larger angle of the finger joints during lifting and thrusting process. The acupuncture manipulation parameter curve is a classical “artificial control curve” that presents a low centralization of neural network classification. Experimental results indicated different comprehension among teachers, which will affect teaching effectiveness.

Key words: Acupuncture Manipulation, Motion Video, Parameters, neural network