{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T00:52:24Z","timestamp":1760057544330,"version":"build-2065373602"},"reference-count":39,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2025,2,10]],"date-time":"2025-02-10T00:00:00Z","timestamp":1739145600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100013348","name":"Swiss Innovation Agency (Innosuisse)","doi-asserted-by":"publisher","award":["120.365 IP-SBM"],"award-info":[{"award-number":["120.365 IP-SBM"]}],"id":[{"id":"10.13039\/501100013348","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This pilot study aimed to evaluate the usability of a new, feedback-based dexterity training system in people with Parkinson\u2019s disease (PwPD) and healthy adults. Seven PwPD and seven healthy adults participated in the study. The System Usability Scale (SUS) and the Post-Study System Usability Questionnaire Version 3 (PSSUQ) were used to assess usability. Additionally, the feedback shown as a counter, detected through newly developed algorithms, was evaluated by comparing the device-detected repetitions during six exercises to those counted by a supervisor. High median SUS scores of 92.5 were obtained in both PwPD (IQR = 81.25\u201398.75) and healthy adults (IQR = 87.5\u201393.75, maximum score 100, minimum score 0). Similarly, high PSSUQ median scores were achieved after the session (1.14, IQR = 1.00\u20131.33, PD; 1.08, IQR = 1.00\u20131.58, healthy adults, maximum score 1, minimum score 7). PwPD completed 648 repetitions, with 551 (85%) correctly recognized by the system. For healthy adults, 883 out of 913 (97%) repetitions were classified as right. The present study showed high usability and high perceived user satisfaction for the new training system in all study participants. The system effectively detects exercise repetition rates but requires further refinement to enhance accuracy for specific pinch grip exercises.<\/jats:p>","DOI":"10.3390\/s25041051","type":"journal-article","created":{"date-parts":[[2025,2,10]],"date-time":"2025-02-10T09:29:26Z","timestamp":1739179766000},"page":"1051","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Usability Pilot Study of a Sensor-Guided Interactive System for Dexterity Training in Parkinson\u2019s Disease"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-6358-8144","authenticated-orcid":false,"given":"Nic","family":"Krummenacher","sequence":"first","affiliation":[{"name":"Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, 3012 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6730-0652","authenticated-orcid":false,"given":"Stephan M.","family":"Gerber","sequence":"additional","affiliation":[{"name":"Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, 3012 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2603-8915","authenticated-orcid":false,"given":"Manuela","family":"Pastore-Wapp","sequence":"additional","affiliation":[{"name":"Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, 3012 Bern, Switzerland"},{"name":"Neurocenter, Luzerner Kantonsspital, University Teaching and Research Hospital, University of Lucerne, 6000 Lucerne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4883-9484","authenticated-orcid":false,"given":"Michael","family":"Single","sequence":"additional","affiliation":[{"name":"Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, 3012 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0723-8164","authenticated-orcid":false,"given":"Stephan","family":"Bohlhalter","sequence":"additional","affiliation":[{"name":"Neurocenter, Luzerner Kantonsspital, University Teaching and Research Hospital, University of Lucerne, 6000 Lucerne, Switzerland"},{"name":"Department of Neurology, University Hospital Zurich, 8091 Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8069-9450","authenticated-orcid":false,"given":"Tobias","family":"Nef","sequence":"additional","affiliation":[{"name":"Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, 3012 Bern, Switzerland"},{"name":"Department of Neurology, Inselspital, 3010 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0884-2005","authenticated-orcid":false,"given":"Tim","family":"Vanbellingen","sequence":"additional","affiliation":[{"name":"Gerontechnology and Rehabilitation Group, ARTORG Center for Biomedical Engineering Research, University of Bern, 3012 Bern, Switzerland"},{"name":"VAMED Management & Services Schweiz AG, Research and Innovation, 8001 Z\u00fcrich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,10]]},"reference":[{"key":"ref_1","first-page":"135","article-title":"Delivering Multidisciplinary Rehabilitation Care in Parkinson\u2019s Disease: An International Consensus Statement","volume":"14","author":"Goldman","year":"2024","journal-title":"J. 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