Digital characteristics of Pulling and Rotating Oblique Pulling Manipulation based on “manipulation from hand”

doi:10.3969/j.issn.2095-4344.2017.27.016

Abstract

Abstract:

BACKGROUND: The researches of Pulling and Rotating Oblique Pulling Manipulation focus on clinical research and biomechanical changes of lumbar functional units, and the mechanical characteristics of manipulation are little reported.

OBJECTIVE: To study the characteristics of the Pulling and Rotating Oblique Pulling Manipulation by digital method, so as to provide quantitative basis for inheritance, teaching and learning, promotion, and basic research of the manipulation.

METHODS: The force-time curve and the force of the manipulators were tested and recorded with the multi-point membrane pressure measurement system. The kinetic parameters (the average load force, the average minimum force and the maximum impact force) were shown. The values of = the flip time, flip speed and impulse were measured by the test analysis system.

RESULTS AND CONCLUSION: (1) The average load force was (145.86±34.80) N, duration was (1.43±0.46) s, the average minimum force was (72.24±13.87) N, the maximum impact force was (446.21±143.98) N, the flip time was (0.55±0.15) s, flip speed was (914.52±259.18) N/s, and the impulse was (256.21±82.30) N•s. (2) The rising slope of the impulse was (93.96±6.94), and the falling slope was (-82.70±26.10). (3) To conclude, the characteristics of “manipulation from hand” are analyzed in views of digitization, which provides an objective evaluation index for Lin’s manipulation.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Lumbar Vertebrae, Manipulation, Osteopathic, Tissue Engineering

CLC Number:

R318

Fan Zhi-yong, Huang Shu-yun, Li Li, Wang Jin-ling, Wu Shan, Lai Shu-hua, Guo Ru-song, Tian Qiang. Digital characteristics of Pulling and Rotating Oblique Pulling Manipulation based on “manipulation from hand” [J]. Chinese Journal of Tissue Engineering Research, 2017, 21(27): 4354-4359.

Figures/Tables 2

2.1 参与者数量分析按意向性处理，共纳入10例受试者，并全部进入结果分析，无脱落。 2.2 “时间-力”曲线连续5次手法操作，整体图形变化规律整齐。从单独的一个手法动作的图形来看，与目前普遍公认和应用的Triano提出的腰椎高速度、低振幅的冲击手法的力学曲线相似[9]：①预加载力：在手法起始阶段对位于拟调整关节浅层的软组织给以准静态的载荷，目的是压紧软组织并使目标关节向生理范围极限运动。从图形上可直观的反映出该术者预加载力始终保持在一个相对稳定的水平；②谷值：在冲击前预载荷力下降到最低值，通常称为“助跑”；③扳动速度：冲击相的斜率(△y/△x)，反应冲击力即爆发力的发力速度的快慢；④最大冲击力：作用于关节的最大的力，使用高速度、低幅度的力作用于目标关节之后是消散相。这种冲击力是顺势而发的一种瞬间的爆发力，曲线也会表现为力值瞬间达到峰值，而后陡直落低下降为起始值；⑤扳动时间：冲击相开始至峰值的时间段。详见图2。 2.3 手法力学指标分析结果如表1，2所示，10名受试者年龄20-29岁，体质量50-70 kg，身高163-173 cm。预加载力、谷值、最大冲击力之间差异有显著性意义(P < 0.05)，其余各指标之间差异无显著性意义(P > 0.05)。说明专家对于每位受试者运用手法时所产生的力的大小存在着一定差异，但是运用力的技巧方面没有差别。因为林氏腰椎提拉旋转手法在临床运用时多连续操作5-7次，因此为了试验的临床指导意义，本次试验在每位受试者身上均连续操作5次，所以每位受试者每个指标都有5个不同的具体参数，试验目的是为了通过直观图像和客观指标对手法力学特征进行分析，因此，运用10位受试者共50个数据的均值作为手法各个参数指标的范围，并依此分析手法特征。本试验所采集的图形和数据是由多个受试者进行多次试验后所得，所选取的样本基本可代表整体，具有代表性和准确性。由图2中标记为③的部分可以看成此段近似直线，表示手法由较小的力量值增长为较大的力量只需要短暂的时间，加之冲击力的上升斜率和下降斜率数值较大，说明力量的增长和下降的速率较大，共同揭示了手法冲击力的发力和收力的速度之快。从表中数据结果可以看出手法上升和下降的斜率的绝对值都较大，且上升的斜率稍大于下降的斜率绝对值，表明冲击相中手法的爆发力是突然的发力，使力量在最短的时间内迅速上升至最高点，发力特点为突发、短促、可控。总结而言，提拉旋转斜扳法爆发力的运用关键是快速短促的发力和收力，收发自如。 "

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