{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T07:00:45Z","timestamp":1777532445071,"version":"3.51.4"},"reference-count":51,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2022,7,2]],"date-time":"2022-07-02T00:00:00Z","timestamp":1656720000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Studies on gait symmetry in healthy population have mainly been focused on small range of age categories, neglecting Teenagers (13\u201318 years old) and Middle-Aged persons (51\u201360 years old). Moreover, age-related effects on gait symmetry were found only when the symmetry evaluation was based on whole-body acceleration than on spatiotemporal parameters of the gait cycle. Here, we provide a more comprehensive analysis of this issue, using a Symmetry Index (SI) based on whole-body acceleration recorded on individuals aged 6 to 84 years old. Participants wore a single inertial sensor placed on the lower back and walked for 10 m at comfortable, slow and fast speeds. The SI was computed using the coefficient of correlation of whole-body acceleration measured at right and left gait cycles. Young Adults (19\u201335 years old) and Adults (36\u201350 years old) showed stable SI over the three speed conditions, while Children (6\u201312 years old), Teenagers (13\u201318 years old), Middle-Aged persons and Elderly (61\u201370 and 71\u201384 years old) exhibited lower SI values when walking at fast speed. Overall, this study confirms that whole-body gait symmetry is lower in Children and in Elderly persons over 60 years of age, showing, for the first time, that asymmetries appear also during teenage period and in Middle-Aged persons (51\u201360 years old).<\/jats:p>","DOI":"10.3390\/s22135001","type":"journal-article","created":{"date-parts":[[2022,7,4]],"date-time":"2022-07-04T20:59:18Z","timestamp":1656968358000},"page":"5001","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Identifying the Effects of Age and Speed on Whole-Body Gait Symmetry by Using a Single Wearable Sensor"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0180-4695","authenticated-orcid":false,"given":"Antonino","family":"Casabona","sequence":"first","affiliation":[{"name":"Laboratory of Neuro-Biomechanics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy"},{"name":"Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9728-3542","authenticated-orcid":false,"given":"Maria Stella","family":"Valle","sequence":"additional","affiliation":[{"name":"Laboratory of Neuro-Biomechanics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy"},{"name":"Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6019-4167","authenticated-orcid":false,"given":"Giulia Rita Agata","family":"Mangano","sequence":"additional","affiliation":[{"name":"Laboratory of Neuro-Biomechanics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy"}]},{"given":"Matteo","family":"Cioni","sequence":"additional","affiliation":[{"name":"Laboratory of Neuro-Biomechanics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,2]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"K\u00f6nig, I.N., Ravi, D.K., Orter, S., Hosseini Nasab, S.H., Taylor, W.R., and Singh, N.B. 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