A Mechatronic Device for a Standardized Execution of the Muscle Shortening Maneuver

IF 5.8 3区计算机科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Journal of Bionic Engineering Pub Date : 2025-03-01 DOI:10.1007/s42235-025-00669-w

Saad Jamshed Abbasi, Simone Rossi, Paolo Lippi, Piero Maria Orsini, Riccardo Bracci, Manuel G. Catalano, Matteo Bianchi

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引用次数: 0

Abstract

Muscle Shortening Maneuver (MSM) is a rehabilitation technique successfully applied to several pathological conditions. The concept is to passively elongate and shorten the target muscle group of the affected limb. As a result, the functionality (muscle strength and range of motion) of that limb is improved. The existing system induces these oscillations manually or without any feedback control, which can compromise the effectiveness and standardization of MSM. In this paper, we present a mechatronic system that can precisely deliver motion oscillations to the upper limb for a controllable execution of MSM. First, we collected the parameters (frequency and amplitude of the oscillations) from a system where a motor was heuristically used by a well-experienced therapist to induce the oscillations (without any feedback control). Based on these specifications, we chose the motor and rebuilt the experimental setup, implementing a sliding mode control with a sliding perturbation observer. With our system, the operator can choose a given frequency and amplitude of the oscillations within the range we experimentally observed. We tested our system with ten participants of different anthropometry. We found that our system can accurately reproduce oscillations in the frequency range 0.8 to 1.2 Hz and amplitude range 2 to 6 cm, with a maximum percentage normalized root mean square error around 7%.

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一种用于肌肉缩短动作标准化执行的机电一体化装置

肌肉缩短术（MSM）是一种成功应用于多种病理条件的康复技术。这个概念是被动地延长和缩短患肢的目标肌群。因此，肢体的功能（肌肉力量和活动范围）得到改善。现有的系统在没有任何反馈控制的情况下，人工诱导这些振荡，影响了MSM的有效性和标准化。在本文中，我们提出了一个机电系统，可以精确地传递运动振荡到上肢，以实现可控的MSM执行。首先，我们从一个系统中收集参数（振荡的频率和振幅），在这个系统中，一个经验丰富的治疗师启发式地使用一个马达来诱导振荡（没有任何反馈控制）。基于这些规格，我们选择了电机并重建了实验装置，实现了带有滑动摄动观测器的滑模控制。在我们的系统中，操作者可以在实验观察到的范围内选择给定的振荡频率和幅度。我们用10个不同人体测量法的参与者测试了我们的系统。我们发现我们的系统可以准确地再现频率范围为0.8至1.2 Hz，幅度范围为2至6 cm的振荡，最大百分比归一化均方根误差约为7%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Bionic Engineering 工程技术-材料科学：生物材料

CiteScore

7.10

自引率

10.00%

发文量

162

审稿时长

10.0 months

期刊介绍： The Journal of Bionic Engineering (JBE) is a peer-reviewed journal that publishes original research papers and reviews that apply the knowledge learned from nature and biological systems to solve concrete engineering problems. The topics that JBE covers include but are not limited to: Mechanisms, kinematical mechanics and control of animal locomotion, development of mobile robots with walking (running and crawling), swimming or flying abilities inspired by animal locomotion. Structures, morphologies, composition and physical properties of natural and biomaterials; fabrication of new materials mimicking the properties and functions of natural and biomaterials. Biomedical materials, artificial organs and tissue engineering for medical applications; rehabilitation equipment and devices. Development of bioinspired computation methods and artificial intelligence for engineering applications.