The reliability,and discriminative ability of the identification of functional ankle instability questionnaire,Japanese version |
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| Affiliation: | 1. Graduate School of Sport Sciences, Waseda University, Higashifushimi, Nishitokyo, Japan;2. Institute of Physical Education, Keio University, Hiyoshi, Yokohama, Japan;3. Department of Physical Education and Health, College of Engineering, Shibaura Institute of Technology, Saitama, Saitama, Japan;4. Faculty of Sport Sciences, Waseda University, Higashifushimi, Nishitokyo, Japan;1. Department of Public Health, Epidemiology & Health Economics, University of Liège, Liège, Belgium;2. Department of Sport and Rehabilitation Sciences, University of Liege, Liege, Belgium;3. Department of Physical Medicine & of Sports Traumatology, FIFA Medical Centre of Excellents, IOC Research Centre for Prevention of Injury and Protection of Athlete Health, FIMS Collaboration Centre of Sports Medicine, University and University Hospital of Liège, Liège, Belgium;4. HEL (Haute Ecole de la ville de Liège), Liège, Belgium;5. Department of Orthopaedic Surgery, Aspetar Orthopaedic and Sports Medicine Hospital, FIFA Medical Centre of Excellence, Aspire Zone - PO Box: 29222, Doha, Qatar;1. Department of Physical Education and Sport Sciences, University of Limerick, Ireland;2. Health Research Institute, University of Limerick, Ireland;3. School of Allied Health, University of Limerick, Ireland;4. Department of Mathematics and Statistics, University of Limerick, Ireland;5. Lero, The Irish Software Research Centre, University of Limerick, Ireland;6. Graduate Entry Medical School, University of Limerick, Ireland;1. Musculoskeletal Research Centre, School of Rehabilitation Sciences, Isfahan University of Medical Sciences, Isfahan, Iran;2. Centre for Health Sciences Research, School Health Sciences, University of Salford, UK;1. Laboratoire d’Automatique, de Mécanique, et d’Informatique industrielles et Humaines (LAMIH) – UMR CNRS 8201, Université de Valenciennes et du Hainaut-Cambrésis (UVHC), F-59313 Valenciennes, France;2. Laboratoire d’analyse du mouvement, Centre Hospitalier de la Région de Saint-Omer, F-62505 Saint-Omer Cedex, France;1. KU Leuven Movement Control and Neuroplasticity Research Group, Leuven, Belgium;2. KU Leuven Human Movement Biomechanics Research Group, Leuven, Belgium;3. KU Leuven Research Group for Musculoskeletal Rehabilitation, Faculty of Kinesiology and Rehabilitation Sciences, Group Biomedical Sciences, 3001 Leuven, Belgium;4. Department of Research, Development & Education, Sint Maartenskliniek, Nijmegen, The Netherlands;1. Health Science Department, Whitworth University, Spokane, WA;2. Department of Kinesiology and Health, Georgia State University, Atlanta, GA |
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| Abstract: | ObjectiveTo assess the discriminability as well as the reliability, and internal consistency of the Identification of Functional Ankle Instability questionnaire translated into Japanese (IdFAI-J).DesignCross-sectional study.SettingCollegiate athletic training/sports medicine clinic.ParticipantsTwenty bilingual and sixty-five collegiate athletes including participants with and without functional instability (FI).Main outcome measuresThe sensitivity, specificity, test retest reliability, and internal consistency of IdFAI-J.ResultsThe optimal cutoff score between the FI and non-FI participants was >10, with an area under the curve of 0.92. We calculated high sensitivity (0.94) and specificity (0.77) at the cutoff point. For the test-retest reliability, the intraclass correlation coefficient value of the IdFAI-J was 0.96; the standard error of measurement and minimal detectable change value was 1.69 and 3.60, respectively. Cronbach's α was 0.87; there was no improvement when a particular item was deleted from the scale.ConclusionsThe IdFAI-J has excellent discriminability, test-retest reliability, and internal consistency. Hence, the IdFAI-J significantly contribute to clinical practice and future research related to ankle instability in Japan. |
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| Keywords: | Ankle sprain Chronic ankle instability Clinical assessment tool |
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