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Open AccessArticle

Validity and Reliability of a New Optoelectronic System for Measuring Active Range of Motion of Upper Limb Joints in Asymptomatic and Symptomatic Subjects

1
Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain
2
Department of Physiotherapy, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
3
Research group Fisioterapia y Discapacidad, Murcia BioHealth Research Institute-Virgen de la Arrixaca Hospital, El Palmar, 30120 Murcia, Spain
4
Research fellow, Department of Physiotherapy, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
5
Department of Electromagnetism and Electronics, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
6
Department of Dermatology, Stomatology, Radiology and Physical Medicine, University of Murcia, 30100 Murcia, Spain
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2019, 8(11), 1851; https://doi.org/10.3390/jcm8111851
Received: 9 October 2019 / Revised: 21 October 2019 / Accepted: 29 October 2019 / Published: 2 November 2019
(This article belongs to the Section Orthopedics)
The aim of this study was to evaluate the validity of the Veloflex infrared dynamic angle-meter (Veloflex-IDA) and the intra- and inter-rater reliability when measuring the ranges of motion (ROMs) of the upper limb joints. Thirty-five healthy and 20 symptomatic participants were evaluated. Twelve upper limb movements were measured in two sessions with the Veloflex-IDA, which is a device composed of a camera that tracks the trajectory of retro-reflective markers. In addition, a goniometer was used in the first session to evaluate concurrent validity. Validity and agreement were evaluated by Pearson correlation coefficient (r) and Bland–Altmann plots. Intra- and inter-rater reliability were evaluated using intra-class correlation (ICC), standard error of measurement (SEM), and minimal detectable change (MDC). Both instruments showed excellent correlation for all movements (r range from 0.992 to 0.999). The intra- and inter-rater reliability were excellent (ICC range from 0.95 to 0.99 and 0.90 to 0.98, respectively). Intra-rater reliability showed SEMs <1.38% and <5.19% and inter-rater reliability SEMs <2.26% and <5.22% for asymptomatic and symptomatic, respectively. Veloflex-IDA is a valid and reliable alternative to measure the upper limb joints’ ROM and it can be used in clinical practice and research after basic training. View Full-Text
Keywords: range of motion; upper limb joints; biomedical technology; optoelectronic device range of motion; upper limb joints; biomedical technology; optoelectronic device
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MDPI and ACS Style

Martín-San Agustín, R.; García-Vidal, J.A.; Cánovas-Ambit, G.; Arenas-Della Vecchia, A.; López-Nicolás, M.; Medina-Mirapeix, F. Validity and Reliability of a New Optoelectronic System for Measuring Active Range of Motion of Upper Limb Joints in Asymptomatic and Symptomatic Subjects. J. Clin. Med. 2019, 8, 1851.

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