Lee T Atkins, Mark Wilhelm, Casey Base, Casady Downey, Seth Moore, Rebecca Moreno, Alexander Fogg, Tiffany Sissom, Mindy Brummett
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The initial search resulted in 407 potentially relevant titles. Following title, abstract, and full-text screening, 8 studies were included in this review. To be included, studies must have examined the inter- or intrarater reliability of 2D joint or segment kinematics measured using digital video on either a smartphone or tablet. Study quality was evaluated using the Quality Appraisal of Reliability Studies (QAREL) tool.</p><p><strong>Results: </strong>Inter- and intrarater reliability intraclass correlation values varied considerably between and within studies. These varied reliability findings can be attributed to differences in testing protocol and equipment, activity examined, the discrete point of interest during an activity (e.g., time of initial contact or peak knee flexion), and joint(s) or segment(s) of interest.</p><p><strong>Conclusion: </strong>Using smartphones and tablets to measure 2D joint and segment kinematics clinically is promising as it can be performed reliably. However, clinicians should be aware of the potential impact of their methodological decisions on the reliability of joint or segment kinematics obtained using these handheld devices.</p><p><strong>Trial registration: </strong>This study was registered with PROSPERO on May 12, 2022 (CRD42022330137).</p>","PeriodicalId":47243,"journal":{"name":"Physiotherapy Research International","volume":"30 3","pages":"e70083"},"PeriodicalIF":1.5000,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12199112/pdf/","citationCount":"0","resultStr":"{\"title\":\"The Reliability of Using a Handheld Device to Measure 2D Kinematics: A Systematic Review.\",\"authors\":\"Lee T Atkins, Mark Wilhelm, Casey Base, Casady Downey, Seth Moore, Rebecca Moreno, Alexander Fogg, Tiffany Sissom, Mindy Brummett\",\"doi\":\"10.1002/pri.70083\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Smartphones and tablets can be used by clinicians to measure 2D joint and segment kinematics, which helps inform important treatment decisions. However, whether 2D kinematic measures obtained with these devices are reliable is unknown.</p><p><strong>Objective: </strong>This study examined the inter- and intrarater reliability of 2D kinematic measures obtained using handheld devices.</p><p><strong>Methods: </strong>CINAHL, Embase, PubMed, and SPORTDiscus database searches were performed using Medical Subject Heading terms, keywords, and text words related to reliability, handheld device, 2-dimensions, video analysis, application, kinematics, and functional movement. The initial search resulted in 407 potentially relevant titles. Following title, abstract, and full-text screening, 8 studies were included in this review. To be included, studies must have examined the inter- or intrarater reliability of 2D joint or segment kinematics measured using digital video on either a smartphone or tablet. Study quality was evaluated using the Quality Appraisal of Reliability Studies (QAREL) tool.</p><p><strong>Results: </strong>Inter- and intrarater reliability intraclass correlation values varied considerably between and within studies. These varied reliability findings can be attributed to differences in testing protocol and equipment, activity examined, the discrete point of interest during an activity (e.g., time of initial contact or peak knee flexion), and joint(s) or segment(s) of interest.</p><p><strong>Conclusion: </strong>Using smartphones and tablets to measure 2D joint and segment kinematics clinically is promising as it can be performed reliably. 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The Reliability of Using a Handheld Device to Measure 2D Kinematics: A Systematic Review.
Background: Smartphones and tablets can be used by clinicians to measure 2D joint and segment kinematics, which helps inform important treatment decisions. However, whether 2D kinematic measures obtained with these devices are reliable is unknown.
Objective: This study examined the inter- and intrarater reliability of 2D kinematic measures obtained using handheld devices.
Methods: CINAHL, Embase, PubMed, and SPORTDiscus database searches were performed using Medical Subject Heading terms, keywords, and text words related to reliability, handheld device, 2-dimensions, video analysis, application, kinematics, and functional movement. The initial search resulted in 407 potentially relevant titles. Following title, abstract, and full-text screening, 8 studies were included in this review. To be included, studies must have examined the inter- or intrarater reliability of 2D joint or segment kinematics measured using digital video on either a smartphone or tablet. Study quality was evaluated using the Quality Appraisal of Reliability Studies (QAREL) tool.
Results: Inter- and intrarater reliability intraclass correlation values varied considerably between and within studies. These varied reliability findings can be attributed to differences in testing protocol and equipment, activity examined, the discrete point of interest during an activity (e.g., time of initial contact or peak knee flexion), and joint(s) or segment(s) of interest.
Conclusion: Using smartphones and tablets to measure 2D joint and segment kinematics clinically is promising as it can be performed reliably. However, clinicians should be aware of the potential impact of their methodological decisions on the reliability of joint or segment kinematics obtained using these handheld devices.
Trial registration: This study was registered with PROSPERO on May 12, 2022 (CRD42022330137).
期刊介绍：
Physiotherapy Research International is an international peer reviewed journal dedicated to the exchange of knowledge that is directly relevant to specialist areas of physiotherapy theory, practice, and research. Our aim is to promote a high level of scholarship and build on the current evidence base to inform the advancement of the physiotherapy profession. We publish original research on a wide range of topics e.g. Primary research testing new physiotherapy treatments; methodological research; measurement and outcome research and qualitative research of interest to researchers, clinicians and educators. Further, we aim to publish high quality papers that represent the range of cultures and settings where physiotherapy services are delivered. We attract a wide readership from physiotherapists and others working in diverse clinical and academic settings. We aim to promote an international debate amongst the profession about current best evidence based practice. Papers are directed primarily towards the physiotherapy profession, but can be relevant to a wide range of professional groups. The growth of interdisciplinary research is also key to our aims and scope, and we encourage relevant submissions from other professional groups. The journal actively encourages submissions which utilise a breadth of different methodologies and research designs to facilitate addressing key questions related to the physiotherapy practice. PRI seeks to encourage good quality topical debates on a range of relevant issues and promote critical reflection on decision making and implementation of physiotherapy interventions.
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