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Article type: Research Article
Authors: Boudreau, Nicolasa | Brochu, Felix-Oliviera | Dubreuil, Louis-Michela | Laurendeau, Thierrya | Leblanc, Oliviera | De Vette, Emmanuelleb | Tousignant-Laflamme, Yannicka; b; *
Affiliations: [a] École de Réadaptation, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, QC, Canada | [b] Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada
Correspondence: [*] Corresponding author: Yannick Tousignant-Laflamme, School of Rehabilitation Faculty of Medicine and Health Sciences, University of Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, J1H 5N4, Canada. Tel.: +1 819 821 8000 ext. 72912; Fax: +1 819 820 6864; E-mail: [email protected].
Abstract: BACKGROUND: Recent technologies, such as the iPod, are often equipped with an accelerometer and magnetometer, which, through software applications, can perform various inclinometric functions. These applications have the potential to measure and quantify range of motion (ROM). OBJECTIVE: The purpose of this study was to estimate the iPod “Gyroscope” application intra- and inter-rater reliability as well as its criterion validity in healthy participants lumbar ROM assessment. METHODS: The sample consisted of 29 healthy participants. For the estimation of intra- and inter-reliability, two examiners measured the lumbar ROM of each participant twice using the iPod. To estimate the criterion validity, the measures were compared to those obtained with the Back Range of Motion Device (BROM; lateral flexion) and the double inclinometer (flexion and extension). Reliability and validity were then established using the intraclass correlation coefficient (ICC). RESULTS: We observed a moderate to high intra-rater reliability (ICCs = 0.67–0.91) and a moderate to high inter-rater reliability for each movement (ICCs = 0.72–0.89). For the criterion validity, the ICCs were all high (ICCs = 0.65–0.89). CONCLUSION: Our results provide evidence that the iPod “Gyroscope” application can be used to assess lumbar ROM for all movements.
Keywords: Range of motion, outcome measures, reliability, criterion validity, iPod, lumbar spine, digital inclinometer
DOI: 10.3233/BMR-181184
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 33, no. 4, pp. 685-692, 2020
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