The reduced lighting environment impacts gait characteristics during walking |
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| Affiliation: | 1. Division of Physical Therapy Education, College of Allied Health Professions, University of Nebraska Medical Center, 984420 Nebraska Medical Center, Omaha, NE, USA;2. Biomechanics Research Building, College of Education, University of Nebraska at Omaha, 6160 University Drive South, Omaha, NE, USA;1. Guanghua School of Management, Peking University, Beijing, China;2. Department of Industrial Engineering, Purdue University, West Lafayette, IN, USA;3. Quartermaster Research Institute, General Logistics Department, CPLA, Beijing, China;4. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing, China;5. University of Michigan Transportation Research Institute (UMTRI), University of Michigan, Ann Arbor, MI, USA;1. Department of Physical Education and Sport Sciences, Aristotle University of Thessaloniki, Thessaloniki 54006, Greece;2. Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, Serres 62110, Greece;3. INSERM U1093-CAPS, UFR des Sciences du Sport, Université Bourgogne Franche-Comté, F-21000 Dijon, France;1. Research Group Lifestyle and Health, Faculty of Health Care, University of Applied Sciences, Utrecht, The Netherlands;2. Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium;3. Research Institute MOVE, Faculty of Human Movement Sciences, VU University, Amsterdam, The Netherlands |
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| Abstract: | ObjectivesThis study aimed to investigate how different light intensities affect human gait patterns during walking. Humans rely on visual information from the surroundings to mediate foot placement and maintain balance during walking. The reduction of light, which diminishes visual input, is recognized as a contributing factor in the incidence of falling; however, such impact on gait characteristics has not been identified yet at different constrained levels of light intensities.MethodsTwelve healthy adults were instructed to walk at their self-selected pace on a treadmill either in high or low lighting conditions. The light intensity during treadmill walking was reduced using a pair of goggles attached to different layers of window films. Three-dimensional spatiotemporal gait data were collected using a motion capture system.ResultsThe significantly decreased stride length, stride time, double support time, and the significantly increased gait variability of stride length and stance time, were presented in the reduced lighting condition.ConclusionsOverall, this study indicates that the lighting intensity impacts gait adjustments during walking. Underground workers navigating in a dim and constrained environment could alter their walking patterns that relate to falling accidents.Relevance to industrySlips, trips and falls are common accidents occurred in underground workers which correlate to the insufficient lighting condition. This study investigated the impact of different lighting conditions on gait adjustment which contributes to the safety of workers situating in a reduced lighting environment. |
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| Keywords: | Dim lighting environment Falls |
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