PDF(Pubmed)
Abstract：
Movement sonification has emerged as a promising approach for rehabilitation and motion control. Despite significant advancements in sensor technologies, challenges remain in developing cost-effective, user-friendly, and reliable systems for gait detection and sonification. This study introduces a novel wearable personalised sonification and biofeedback device to enhance movement awareness for individuals with irregular gait and posture. Through the integration of inertial measurement units (IMUs), MATLAB, and sophisticated audio feedback mechanisms, the device offers real-time, intuitive cues to facilitate gait correction and improve functional mobility. Utilising a single wearable sensor attached to the L4 vertebrae, the system captures kinematic parameters to generate auditory feedback through discrete and continuous tones corresponding to heel strike events and sagittal plane rotations. A preliminary test that involved 20 participants under various audio feedback conditions was conducted to assess the system\'s accuracy, reliability, and user synchronisation. The results indicate a promising improvement in movement awareness facilitated by auditory cues. This suggests a potential for enhancing gait and balance, particularly beneficial for individuals with compromised gait or those undergoing a rehabilitation process. This paper details the development process, experimental setup, and initial findings, discussing the integration challenges and future research directions. It also presents a novel approach to providing real-time feedback to participants about their balance, potentially enabling them to make immediate adjustments to their posture and movement. Future research should evaluate this method in varied real-world settings and populations, including the elderly and individuals with Parkinson\'s disease.
摘要：
运动声化已成为康复和运动控制的一种有希望的方法。尽管传感器技术取得了重大进展，发展成本效益仍然存在挑战，用户友好，和可靠的系统步态检测和声波。这项研究引入了一种新颖的可穿戴式个性化超声和生物反馈装置，以增强步态和姿势不规则的个体的运动意识。通过惯性测量单元（IMU）的集成，MATLAB,和复杂的音频反馈机制，该设备提供实时，直观的线索，以促进步态矫正和提高功能的流动性。利用连接到L4椎骨的单个可穿戴传感器，该系统捕获运动学参数，以通过与脚跟撞击事件和矢状平面旋转相对应的离散和连续音调来生成听觉反馈。进行了一项涉及20名参与者在各种音频反馈条件下的初步测试，以评估系统的准确性，可靠性,和用户同步。结果表明，听觉线索促进了运动意识的有希望的改善。这表明有可能增强步态和平衡，对步态受损或正在接受康复过程的个体特别有益。本文详细介绍了开发过程,实验装置，和初步发现，讨论了整合面临的挑战和未来的研究方向。它还提出了一种新颖的方法来向参与者提供有关其平衡的实时反馈，可能使他们能够立即调整自己的姿势和动作。未来的研究应该在不同的现实环境和人群中评估这种方法，包括老年人和帕金森病患者。
