Self-Selected walking speed increases when individuals are aware of being recorded |
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| Institution: | 1. School of Engineering, Queen’s University, Kingston, Canada;2. HAS-Motion Inc., Kingston, Canada;3. C-Motion Inc., Germantown, USA;4. School of Science and Technology, Nottingham Trent University, Nottingham, UK;1. Univeristy of Southern California, Los Angeles, California, United States;2. Children’s Hospital Los Angeles, Los Angeles, California, United States;1. Willy Taillard Laboratory of Kinesiology, Geneva University Hospitals and Geneva University, Switzerland;2. Univ Lyon, Université Lyon 1, IFSTTAR, LBMC UMR_T9406, F69622, Lyon, France;3. Pediatric Orthopaedic Service, Department of Child and Adolescent, Geneva University Hospitals and Geneva University, Geneva, Switzerland;1. Department of Orthopaedic Surgery, University of Pretoria, Steve Biko Academic Hospital, South Africa;2. Walk-a-Mile Centre for Advanced Orthopaedics, Pretoria, South Africa;3. Department of Orthopaedic Surgery, University of Texas Health Science Center, San Antonio, TX, USA;4. Department of Orthopaedic Surgery, Royal Brisbane Hospital, Herston, Australia;5. Department of Surgery, School of Medicine, University of Queensland, Australia;6. Queensland University of Technology, Australia;7. Orthopaedic Research Institute of Australia, Australia;8. School of Medicine, University of Pretoria, South Africa;9. Valiant Clinic/Houston Methodist Group, United Arab Emirates;1. Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University. Sapporo, N12-W5, Kita-Ku, Sapporo, Hokkaido, 060-0812, Japan;2. Division of Rehabilitation, Sapporo Medical University Hospital, Sapporo Medical University, S1-W16, Chuo-Ku, Sapporo, Hokkaido, 060-8543, Japan;3. Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, Sapporo, S1-W17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan;4. Graduate School of Health Sciences, Hokkaido University, N12-W5, Kita-Ku, Sapporo, Hokkaido, 060-0812, Japan |
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| Abstract: | BackgroundTypical gait data collections consist of discrete walking trials where participants are aware when data are being recorded. Anecdotally, some investigators have reported that participants often walk differently between trials or before or after data collection compared to when they know they are being recorded. In addition, walking speed, which affects a number of gait variables, is known to be different when individuals complete discrete and continuous walking trials.Research questionThe purpose of this study was to determine whether changes in walking speed occurred as a result of participants being aware, versus unaware that data were being recorded, during both discrete and continuous walking trials.MethodsKinematic data were collected for twenty two individuals walking continuous trials or discrete trials, while they were both aware and unaware of being recorded. Comparisons of walking speeds were made between groups (continuous walking; discrete trials) and awareness of being recorded (aware; unaware) using a two way ANOVA.ResultsThe results indicated that participants walked significantly faster during discrete trials when they were aware that data were being recorded compared to when they were unaware. However, when they walked continuously their walking speed was not affected by their awareness.SignificanceThe results suggest that awareness of data collection, and the type of protocol used during data collection, affect an individual’s walking speed during gait analysis. Therefore, care should be taken when determining gait analysis protocols where variables are sensitive to walking speeds. |
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| Keywords: | Gait Methodology Walking speed |
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