Wireless inertial measurement unit-based methods for measuring lumbopelvic-hip range of motion are valid compared with optical motion capture as golden standard

IF 2.2 3区医学 Q3 NEUROSCIENCES

Gait & posture Pub Date : 2025-04-04 DOI:10.1016/j.gaitpost.2025.04.003

Robbert N. van Amstel , Iris E. Dijk , Karl Noten , Guido Weide , Richard T. Jaspers , Annelies L. Pool-Goudzwaard

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引用次数: 0

Abstract

Background

Lumbopelvic-hip motions in the sagittal plane are critical in distinguishing between individuals with Low Back Pain (LBP) and healthy counterparts. Assessment of these motions involves evaluation of the range of motion, timing, coordination, alignment, and functional performance. Traditional, golden standard devices, like optical motion capture systems, are costly and limited to lab settings. Alternatively, Inertial Measurement Units (IMUs) potentially offer an affordable solution that allows movement assessment in daily life.

Methods

This cross-sectional study compares two IMU-based measurement methods (2 versus 3 sensors) with optical motion capture to assess the sagittal lumbopelvic-hip range of motion (RoM) during extension and flexion motions in individuals with nonspecific chronic LBP and healthy controls. The primary objective was to establish the clinimetric measurement accuracy of IMU-based methods by assessing their concurrent validity with optical motion capture. Secondary aims included assessment time differences and measurement errors.

Findings

Strong positive correlations were shown between optical motion capture and both IMU-based measurement methods for flexion and extension RoM and the measurement timing. Minimal measurement errors were observed. For measuring both RoM and timing of measuring RoM, the IMU method with 3 sensors showed slightly better accuracy than the IMU method with 2 sensors.

Interpretation

This cross-sectional study successfully established the clinimetric measurement validity and accuracy of IMU-based methods in assessing lumbopelvic-hip mobility in individuals with nonspecific low back pain and healthy controls. Revised Sentence: Based on our findings, low-cost IMU-based methods can be validly utilized in both daily clinical practice and clinical research for the assessment of lumbopelvic-hip motion.

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与光学运动捕捉作为金标准相比，基于无线惯性测量单元的腰骨盆髋部运动范围测量方法是有效的

背景：矢状面腰骨盆-髋关节运动是区分下腰痛（LBP）患者和健康人的关键。对这些运动的评估包括对运动范围、时间、协调、对齐和功能表现的评估。传统的黄金标准设备，如光学运动捕捉系统，价格昂贵，而且仅限于实验室设置。另外，惯性测量单元（imu）可能提供一种经济实惠的解决方案，允许在日常生活中进行运动评估。方法：本横断面研究比较了两种基于imu的测量方法（2个与3个传感器）与光学运动捕捉，以评估非特异性慢性下腰痛患者和健康对照者在伸展和屈曲运动时的矢状面腰骨盆-髋关节运动范围（RoM）。主要目的是通过评估基于imu的方法与光学运动捕捉的并发有效性来建立临床测量精度。次要目的包括评估时差和测量误差。结果表明，光学运动捕捉与基于imu的屈伸RoM测量方法和测量时间之间存在很强的正相关关系。测量误差最小。对于测量RoM和测量RoM的定时，3个传感器的IMU方法的精度略高于2个传感器的IMU方法。解释：这项横断面研究成功地建立了基于imu的临床测量方法在评估非特异性腰背痛患者和健康对照者腰骨盆-髋关节活动度方面的有效性和准确性。基于我们的研究结果，低成本的基于imu的方法可以有效地用于日常临床实践和临床研究中评估腰骨盆-髋关节运动。

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

Gait & posture 医学-神经科学

CiteScore

4.70

自引率

12.50%

发文量

616

审稿时长

6 months

期刊介绍： Gait & Posture is a vehicle for the publication of up-to-date basic and clinical research on all aspects of locomotion and balance. The topics covered include: Techniques for the measurement of gait and posture, and the standardization of results presentation; Studies of normal and pathological gait; Treatment of gait and postural abnormalities; Biomechanical and theoretical approaches to gait and posture; Mathematical models of joint and muscle mechanics; Neurological and musculoskeletal function in gait and posture; The evolution of upright posture and bipedal locomotion; Adaptations of carrying loads, walking on uneven surfaces, climbing stairs etc; spinal biomechanics only if they are directly related to gait and/or posture and are of general interest to our readers; The effect of aging and development on gait and posture; Psychological and cultural aspects of gait; Patient education.