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首页> 外文期刊>Gait & posture >Accelerometry: A technique for quantifying movement patterns during walking.
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Accelerometry: A technique for quantifying movement patterns during walking.

机译：加速度计：一种量化步行过程中运动方式的技术。

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摘要

The popularity of using accelerometer-based systems to quantify human movement patterns has increased in recent years for clinicians and researchers alike. The benefits of using accelerometers compared to more traditional gait analysis instruments include low cost; testing is not restricted to a laboratory environment; accelerometers are small, therefore walking is relatively unrestricted; and direct measurement of 3D accelerations eliminate errors associated with differentiating displacement and velocity data. However, accelerometry is not without its disadvantages, an issue which is scarcely reported in gait analysis literature. This paper reviews the use of accelerometer technology to investigate gait-related movement patterns, and addresses issues of acceleration measurement important for experimental design. An overview of accelerometer mechanics is provided before illustrating specific experimental conditions necessary to ensure the accuracy of gait-related acceleration measurement. A literature review is presented on how accelerometry has been used to examine basic temporospatial gait parameters, shock attenuation, and segmental accelerations of the body during walking. The output of accelerometers attached to the upper body has provided useful insights into the motor control of normal walking, age-related differences in dynamic postural control, and gait patterns in people with movement disorders.
机译：近年来，对于临床医生和研究人员而言，使用基于加速度计的系统来量化人体运动模式的流行度有所增加。与更传统的步态分析仪器相比，使用加速度计的好处包括成本低;测试不限于实验室环境;加速度计很小，因此步行相对不受限制; 3D加速度的直接测量消除了与区分位移和速度数据相关的误差。然而，加速度计并非没有缺点，步态分析文献中很少报道这一问题。本文回顾了加速度计技术用于研究与步态有关的运动模式，并讨论了对实验设计很重要的加速度测量问题。在说明确保步态相关的加速度测量精度所必需的特定实验条件之前，先提供了加速度计力学的概述。文献综述介绍了如何使用加速度计来检查基本的颞pat步态参数，震动衰减以及步行过程中身体的分段加速度。附在上身的加速度计的输出为正常行走的运动控制，与年龄相关的动态姿势控制差异以及运动障碍者的步态模式提供了有用的见解。

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