使用三轴加速度计对日常生活中的迎风姿势进行分类。

IF 1.7 4区 医学 Q3 ENGINEERING, BIOMEDICAL
Haruhiko Sato, Takenobu Inoue
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引用次数: 0

摘要

严重脑瘫(CP)儿童经常会出现不对称的迎风姿势。然而,CP 患儿在日常生活中保持迎风姿势的时间有多长仍不清楚。因此,我们开发了一种用于检测迎风姿势的三重加速度计系统。本研究旨在评估系统对各种身体姿势和动作进行分类的有效性。我们对九名健康的年轻人(年龄在 21-23 岁之间)进行了系统准确性的评估。参与者在胸骨和两条大腿上佩戴加速度监测器,然后在 8 种不同姿势和 3 种体力活动中各用 3 分钟。准确性得到确认后,我们对 6 名健康的年轻人(年龄在 21-23 岁之间)在家庭环境中 24 小时的姿势和动作进行了评估。身体姿势和活动都被正确检测到:在至少 68% 的时间里,所有受试者的姿势和活动都与受试者的活动记录 100% 一致,而在至少 96% 的时间里,腰部姿势和活动都与受试者的活动记录 100% 一致。我们的结论是,所建议的监测系统是在自由生活环境中评估迎风髋关节姿势的一种可靠而有效的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Classification of windswept posture in daily life using tri-axial accelerometers.

An asymmetric windswept posture is often seen in children with severe cerebral palsy (CP). However, it is still unclear how long children with CP remain in the windswept posture in daily life. Thus, we developed a triple-accelerometer system for detecting windswept posture. The aim of this study was to assess the validity of a system for classifying various body postures and movements. We assessed the accuracy of our system in nine healthy young adults (age range, 21-23 years). The participants wore acceleration monitors on the sternum and both thighs, then spent 3 min each in eight different positions and three physical activities. Once accuracy was confirmed, we assessed the posture and movements for 24 h in six healthy young adults (age range, 21-23 years) in their home environments. The body postures and activities were correctly detected: the agreement across the subjects were 100% compatible with the subjects' activity logs at least 68% of the time, and at least 96% of the time for recumbent positions. We concluded that the proposed monitoring system is a reliable and valid approach for assessing windswept hip posture in a free-living setting.

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来源期刊
CiteScore
3.60
自引率
5.60%
发文量
122
审稿时长
6 months
期刊介绍: The Journal of Engineering in Medicine is an interdisciplinary journal encompassing all aspects of engineering in medicine. The Journal is a vital tool for maintaining an understanding of the newest techniques and research in medical engineering.
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