Level walking in adults with and without Developmental Coordination Disorder: An analysis of movement variability |
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| Institution: | 1. School of Occupational Therapy, Hebrew University Hadassah Medical School, Jerusalem, Israel;2. Hebrew University Hadassah Medical School, Jerusalem, Israel;3. Israeli Ministry of Health, Jerusalem, Israel;1. University of Cape Town, Faculty of Health Sciences, Department of Health and Rehabilitation Sciences, Suite F45: Old Main Building, Groote Schuur Hospital, Main Road, Observatory 7925, Cape Town 8000, South Africa;2. Katholieke Universiteit Leuven, Faculty of Kinesiology and Rehabilitation Sciences, Department of Kinesiology, Movement Control and Neuroplasticity Research Group, Tervuursevest 101, Postbox 1501, B-3001 Heverlee, Belgium;3. Avans + University of Professionals, Department of Physiotherapy, Heerbaan 14-40, Postbox 2087, 4800 CB Breda, The Netherlands;4. Maastricht University Medical Centre, Department of Rehabilitation Medicine & Adelante Center of Expertise in Rehabilitation & Audiology, P.O. Box 616, 6200 MD Maastricht, The Netherlands;1. Sensorimotor Development Research Unit, Department of Psychology, Goldsmiths, University of London, London SE14 6NW, UK;2. School of Psychology and Clinical Language Sciences, University of Reading, RG6 7BE, UK;3. Centre for Brain and Cognitive Development, Department of Psychological Sciences, Birkbeck University of London, Malet Street, London WC1E 7HX, UK;1. Department of Recreational Sport & Health Promotion, National Pingtung University of Science & Technology, Taiwan;2. Institute of Physical Education, Health & Leisure Studies, National Cheng Kung University, Taiwan |
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| Abstract: | Several studies have shown that Developmental Coordination Disorder (DCD) is a condition that continues beyond childhood. Although adults with DCD report difficulties with dynamic balance, as well as frequent tripping and bumping into objects, there have been no specific studies on walking in this population. Some previous work has focused on walking in children with DCD but variation in the tasks and measures used has led to inconsistent findings. The aim of the current study therefore was to examine the characteristics of level walking in adults with and without DCD. Fifteen adults with DCD and 15 typically developing (TD) controls walked barefoot at a natural pace up and down an 11 m walkway for one minute. Foot placement measures and velocity and acceleration of the body were recorded, as well as measures of movement variability. The adults with DCD showed similar gait patterns to the TD group in terms of step length, step width, double support time and stride time. The DCD group also showed similar velocity and acceleration to the TD group in the medio-lateral, anterior–posterior and vertical direction. However, the DCD group exhibited greater variability in all foot placement and some body movement measures. The finding that adults with DCD have a reduced ability to produce consistent movement patterns is discussed in relation to postural control limitations and compared to variability of walking measures found in elderly populations. |
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| Keywords: | Gait Locomotion Movement variability Developmental Coordination Disorder |
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