Balance effects of tactile stimulation at the foot |
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| Affiliation: | 1. Département des sciences de l''activité physique, Université du Québec à Trois-Rivières, 3351, boulevard des Forges, Trois-Rivières, QC G8Z 4M3, Canada;2. École de kinésiologie et des sciences de l''activité physique de la Faculté de médecine, Université de Montréal, 2100 Edouard Montpetit Blvd. #6219, Montreal, QC H3T 1J4, Canada;3. Centre de recherche du CHU Sainte-Justine, 5858 Côte-des-Neiges Rd, Montreal, QC H3S 1Z1, Canada;4. Department of Family Medicine, McGill University, 5858 Côte-des-Neiges Rd, Montreal, QC H3S 1Z1, Canada;5. Human Kinetics Department, St Francis Xavier University, 4130 University Ave, Antigonish, NS B2G 2W5, Canada;6. Département de kinésiologie, Université Laval, 2300, rue de la Terrasse, Quebec, QC G1V 0A6, Canada;7. Département de Pédiatrique, Faculté de médecine, Université de Montréal, 3175, chemin Côte Sainte-Catherine, Montréal, QC H3T 1C5, Canada;1. Centre for Interdisciplinary Research in Rehabilitation and Social Integration, CIUSSS-CN, IRDPQ, Québec, Canada;2. Department of Rehabilitation, Faculty of Medicine, Université Laval, Québec, Canada;3. School of Physical and Occupational Therapy, McGill University, Québec, Canada;4. Feil and Oberfeld Research Centre, Jewish Rehabilitation Hospital – CISSS Laval site of Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal (CRIR), Québec, Canada;1. Institute of Physical Therapy, Prevention and Rehabilitation, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstrasse 1, D-55131 Mainz, Germany;2. Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 69, D-55131 Mainz, Germany;3. Institute of Complex Health Sciences, Hochschule Fresenius, University of Applied Sciences, Limburgerstr. 2, D-65510 Idstein, Germany;4. Department of Orthopedics and Trauma Surgery, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstrasse 1, D-55131 Mainz, Germany;1. School of Biological Sciences, Georgia Institute of Technology, United States of America;2. Department of Physical Therapy, University of Illinois, Chicago, United States of America;1. Institute of Psychology, Department of Psychology and Sports Medicine, UMIT TIROL - Private University for Health Sciences and Health Technology, Hall in Tyrol, Austria;2. Department of Psychology, Faculty of Psychology and Sports Sciences, University of Innsbruck, Austria;1. Nicotine Dependence Service, Centre for Addiction and Mental Health, Toronto, ON, Canada;2. Department of Health Research, Evidence, and Impact, McMaster University, Hamilton, ON, Canada;3. Division of Oncology, The Children''s Hospital of Philadelphia, Philadelphia, PA, USA;4. School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, Queensland, Australia;5. Department of Child and Youth Studies, Brock University, St. Catharines, ON, Canada |
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| Abstract: | Balance relies on several types of sensory information, including somatosensory senses such as touch and position sense (proprioception). As these senses decline in older adults, there is a question of whether shoes limit somatosensory feedback from the floor. Textured insoles are designed to stimulate the soles of the feet to enhance tactile feedback. Textured insoles have shown balance benefits in some populations, but it is unclear if such tactile stimulation improves a person's balance even in cushioned athletic shoes, which dampen proprioceptive signals. Here we ask whether tactile vs. proprioceptive cues contribute differently to balance control in the healthy somatosensory system. We assessed balance in 20 healthy young adults under four footwear conditions: cushioned shoes with regular insoles, cushioned shoes with textured insoles, barefoot, and minimalist shoes. Each condition was evaluated using the Y-Balance Test (YBT) and the Balance Error Scoring System (BESS), validated tests of dynamic and static balance, respectively. YBT is a dynamic reaching test performed on one leg. The BESS includes various stance conditions with eyes closed. The results showed that footwear influenced dynamic balance only, with textured insoles leading to significantly better performance than barefoot and minimalist shoes did in the YBT. These results suggest that at least for dynamic balance, balance benefits of tactile stimulation from the textured insoles offset any dampening of proprioception caused by the athletic shoes' cushioning. Future research on how these conditions compare in older adults may lead to improved footwear recommendations to reduce fall risk and injuries for that population. |
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