{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:54:54Z","timestamp":1760144094577,"version":"build-2065373602"},"reference-count":52,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2024,3,21]],"date-time":"2024-03-21T00:00:00Z","timestamp":1710979200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"McMaster Institute for Research on Aging (MIRA)"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Clinical screening tests for balance and mobility often fall short of predicting fall risk. Cognitive distractors and unpredictable external stimuli, common in busy natural environments, contribute to this risk, especially in older adults. Less is known about the effects of upper sensory\u2013motor coordination, such as coordinating one\u2019s hand with an external stimulus. We combined movement sonification and affordable inertial motion sensors to develop a task for the precise measurement and manipulation of full-body interaction with stimuli in the environment. In a double-task design, we studied how a supra-postural activity affected quiet stance. The supra-postural task consisted of rhythmic synchronization with a repetitive auditory stimulus. The stimulus was attentionally demanding because it was being modulated continuously. The participant\u2019s hand movement was sonified in real time, and their goal was to synchronize their hand movement with the stimulus. In the unpredictable condition, the tempo changed at random points in the trial. A separate sensor recorded postural fluctuations. Young healthy adults were compared to older adult (OA) participants without known risk of falling. The results supported the hypothesis that supra-postural coordination would entrain postural control. The effect was stronger in OAs, supporting the idea that diminished reserve capacities reduce the ability to isolate postural control from sensory\u2013motor and cognitive activity.<\/jats:p>","DOI":"10.3390\/s24061994","type":"journal-article","created":{"date-parts":[[2024,3,21]],"date-time":"2024-03-21T06:35:30Z","timestamp":1711002930000},"page":"1994","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Concurrent Supra-Postural Auditory\u2013Hand Coordination Task Affects Postural Control: Using Sonification to Explore Environmental Unpredictability in Factors Affecting Fall Risk"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5543-360X","authenticated-orcid":false,"given":"Dobromir","family":"Dotov","sequence":"first","affiliation":[{"name":"Department of Biomechanics, University of Nebraska Omaha, Omaha, NE 68182, USA"},{"name":"Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, ON L8S 4K1, Canada"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-6900-4259","authenticated-orcid":false,"given":"Ariel","family":"Motsenyat","sequence":"additional","affiliation":[{"name":"Integrated Biomedical Engineering and Health Science, McMaster University, Hamilton, ON L8S 4K1, Canada"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3397-2079","authenticated-orcid":false,"given":"Laurel J.","family":"Trainor","sequence":"additional","affiliation":[{"name":"Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, ON L8S 4K1, Canada"},{"name":"Rotman Research Institute, Toronto, ON M6A 2E1, Canada"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1701","DOI":"10.1056\/NEJM198812293192604","article-title":"Risk Factors for Falls among Elderly Persons Living in the Community","volume":"319","author":"Tinetti","year":"1988","journal-title":"N. 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