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Identidad visual corporativa en las ONG: valoración del estado actual y propuestas de desarrollo futuro
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Teachers as designers of formative e-rubrics: a case study on the introduction and validation of go/no-go criteria
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Gait analysis with the Kinect v2: normative study with healthy individuals and comprehensive study of its sensitivity, validity, and reliability in individuals with stroke
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Abstract:
[EN] Background: Gait is usually assessed by clinical tests, which may have poor accuracy and be biased, or instrumented systems, which potentially solve these limitations at the cost of being time-consuming and expensive. The different versions of the Microsoft Kinect have enabled human motion tracking without using wearable sensors at a low-cost and with acceptable reliability. This study aims: First, to determine the sensitivity of an open-access Kinect v2-based gait analysis system to motor disability and aging; Second, to determine its concurrent validity with standardized clinical tests in individuals with stroke; Third, to quantify its inter and intra-rater reliability, standard error of measurement, minimal detectable change; And, finally, to investigate its ability to identify fall risk after stroke. Methods: The most widely used spatiotemporal and kinematic gait parameters of 82 individuals post-stroke and 355 healthy subjects were estimated with the Kinect v2-based system. In addition, participants with stroke were assessed with the Dynamic Gait Index, the 1-min Walking Test, and the 10-m Walking Test. Results: The system successfully characterized the performance of both groups. Significant concurrent validity with correlations of variable strength was detected between all clinical tests and gait measures. Excellent inter and intra-rater reliability was evidenced for almost all measures. Minimal detectable change was variable, with poorer results for kinematic parameters. Almost all gait parameters proved to identify fall risk. Conclusions: Results suggest that although its limited sensitivity to kinematic parameters, the Kinect v2-based gait analysis could be used as a low-cost alternative to laboratory-grade systems to complement gait assessment in clinical settings. ; This study was funded by project VALORA, grant 201701-10 of the Fundacio la Marato de la TV3 (Barcelona, Spain), and grant "Ayuda a Primeros Proyectos de Investigacion (PAID-06-18), Vicerrectorado de Investigacion, Innovacion y Transferencia de la Universitat Politecnica de Valencia" (Valencia, Spain). ; Latorre, J.; Colomer, C.; Alcañiz Raya, ML.; Llorens Rodríguez, R. (2019). Gait analysis with the Kinect v2: normative study with healthy individuals and comprehensive study of its sensitivity, validity, and reliability in individuals with stroke. Journal of NeuroEngineering and Rehabilitation. 16:1-11. https://doi.org/10.1186/s12984-019-0568-y ; S ; 1 ; 11 ; 16 ; Balaban B, Tok F. Gait disturbances in patients with stroke. 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Keyword:
Biomedical technology assessment; EXPRESION GRAFICA EN LA INGENIERIA; Fall risk; Gait; Kinect v2; Reliability and validity; Stroke; TEORIA DE LA SEÑAL Y COMUNICACIONES
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URL: https://doi.org/10.1186/s12984-019-0568-y
http://hdl.handle.net/10251/158837
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A New m-Learning Scenario for a Listening Comprehension Assessment Test in Second Language Acquisition [SLA]
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El lector indiferente . El impacto del estilo en tipografía de edición.
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Improvement in balance using a virtual reality-based stepping exercise: a randomized controlled trial involving individuals with chronic stroke
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