{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T13:16:17Z","timestamp":1763644577297,"version":"build-2065373602"},"reference-count":77,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2025,3,5]],"date-time":"2025-03-05T00:00:00Z","timestamp":1741132800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"the Portuguese Foundation for Science and Technology (FCT) through the project PREVOCUPAI","doi-asserted-by":"publisher","award":["DSAIPA\/AI\/0105\/2019","UIDB\/05913\/2020","PRT\/BD\/152843\/2021"],"award-info":[{"award-number":["DSAIPA\/AI\/0105\/2019","UIDB\/05913\/2020","PRT\/BD\/152843\/2021"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"name":"FCT, I.P., and the European Union","award":["DSAIPA\/AI\/0105\/2019","UIDB\/05913\/2020","PRT\/BD\/152843\/2021"],"award-info":[{"award-number":["DSAIPA\/AI\/0105\/2019","UIDB\/05913\/2020","PRT\/BD\/152843\/2021"]}]},{"name":"the State Budget, under the MIT Portugal Program","award":["DSAIPA\/AI\/0105\/2019","UIDB\/05913\/2020","PRT\/BD\/152843\/2021"],"award-info":[{"award-number":["DSAIPA\/AI\/0105\/2019","UIDB\/05913\/2020","PRT\/BD\/152843\/2021"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This pilot study examines the relationship between pain intensity and trunk sitting postural control in 10 office workers with chronic spinal pain, using field-based real-time inertial sensors. Pain intensity was assessed with the Numeric Pain Rating Scale (NPRS) before and after work across three non-consecutive workdays, while postural control was evaluated through estimated center of pressure (COP) displacements. Linear and nonlinear metrics, including sway range, velocity, the Hurst exponent, and sample entropy, were derived from the estimated COP time series. Pearson correlation coefficients (r) and corresponding p-values were used to analyze the relationship between pain intensity and postural control. Significant correlations, though limited to specific metrics, were found (r = \u22120.860 to 0.855; p &lt; 0.05), suggesting that higher pain intensity may be correlated with reduced postural variability. These findings provide preliminary insights into the potential link between pain intensity and postural control. Understanding trunk posture dynamics could inform the development of targeted ergonomic interventions to reduce musculoskeletal stress and improve sitting comfort in office environments.<\/jats:p>","DOI":"10.3390\/s25051583","type":"journal-article","created":{"date-parts":[[2025,3,5]],"date-time":"2025-03-05T05:54:38Z","timestamp":1741154078000},"page":"1583","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Correlation Between Pain Intensity and Trunk Sway in Seated Posture Among Office Workers with Chronic Spinal Pain: A Pilot Field-Based Study"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1002-4295","authenticated-orcid":false,"given":"Eduarda","family":"Oliosi","sequence":"first","affiliation":[{"name":"Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics (LIBPhys), NOVA School of Science & Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal"},{"name":"Research Centre in Physical Activity, Health, and Leisure (CIAFEL), Faculty of Sports, University of Porto, 4099-002 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3066-9578","authenticated-orcid":false,"given":"Afonso Caetano","family":"J\u00falio","sequence":"additional","affiliation":[{"name":"Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics (LIBPhys), NOVA School of Science & Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9811-0571","authenticated-orcid":false,"given":"Lu\u00eds","family":"Silva","sequence":"additional","affiliation":[{"name":"Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics (LIBPhys), NOVA School of Science & Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3239-9813","authenticated-orcid":false,"given":"Phillip","family":"Probst","sequence":"additional","affiliation":[{"name":"Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics (LIBPhys), NOVA School of Science & Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4109-2939","authenticated-orcid":false,"given":"Jo\u00e3o Paulo","family":"Vilas-Boas","sequence":"additional","affiliation":[{"name":"Centre for Research, Education, Innovation, and Intervention in Sport (CIFI2D) and Porto Biomechanics Laboratory (LABIOMEP), Faculty of Sports, University of Porto, 4200-450 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4310-7652","authenticated-orcid":false,"given":"Ana Rita","family":"Pinheiro","sequence":"additional","affiliation":[{"name":"Institute of Biomedicine (iBiMED), School of Health Sciences, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4022-7424","authenticated-orcid":false,"given":"Hugo","family":"Gamboa","sequence":"additional","affiliation":[{"name":"Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics (LIBPhys), NOVA School of Science & Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2025,3,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"e316","DOI":"10.1016\/S2665-9913(23)00098-X","article-title":"Global, regional, and national burden of low back pain, 1990\u20132020, its attributable risk factors, and projections to 2050: A systematic analysis of the Global Burden of Disease Study 2021","volume":"5","author":"Ferreira","year":"2023","journal-title":"Lancet Rheumatol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"e142","DOI":"10.1016\/S2665-9913(23)00321-1","article-title":"Global, regional, and national burden of neck pain, 1990\u20132020, and projections to 2050: A systematic analysis of the Global Burden of Disease Study 2021","volume":"6","author":"Wu","year":"2024","journal-title":"Lancet Rheumatol."},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Zhang, C., Zi, S., Chen, Q., and Zhang, S. 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