{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T23:32:44Z","timestamp":1773963164760,"version":"3.50.1"},"reference-count":44,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,4,1]]},"abstract":"<jats:p>\n                    <jats:italic>\n                      <jats:bold>Background:<\/jats:bold>\n                    <\/jats:italic>\n                    Prolonged standing demands continuous postural adjustments to redistribute weight and maintain comfort. People with Parkinson\u2019s disease (PwPD) may show impaired adaptability due to motor symptoms and rigidity. The effects of dopaminergic medication on postural control during prolonged standing are not well understood. This study aims to analyze the impact of dopaminergic medication on postural control during prolonged standing in PwPD, focusing on both global sway characteristics and discrete postural adjustments.\n                    <jats:italic>\n                      <jats:bold>Methods:<\/jats:bold>\n                    <\/jats:italic>\n                    Twenty-two PwPD (Hoehn and Yahr II\u2013III) performed a 15-min standing task on a force plate in randomized ON (medicated) and OFF (unmedicated) sessions. Global sway parameters (sway area, root mean square, velocity, and frequency) and discrete postural adjustments (shifts, fidgets, and drifts) were calculated from center of pressure data. Nonparametric and parametric tests compared ON and OFF states.\n                    <jats:italic>\n                      <jats:bold>Results:<\/jats:bold>\n                    <\/jats:italic>\n                    In the ON state, participants showed significantly larger sway area, increased root mean square and velocity in anterior\u2013posterior and mediolateral directions, and higher sway frequency (all\n                    <jats:italic>p<\/jats:italic>\n                    \u2009&lt;\u2009.05). The number and amplitude of discrete adjustments were greater in the ON state, especially anterior\u2013posterior drifts and mediolateral shifts. These changes indicate enhanced postural dynamics under dopaminergic medication.\n                    <jats:italic>\n                      <jats:bold>Conclusion:<\/jats:bold>\n                    <\/jats:italic>\n                    Dopaminergic therapy promotes a more dynamic and adaptable postural control strategy during prolonged standing in PwPD. Rather than reflecting instability, increased sway and frequent adjustments suggest adaptive behaviors facilitating comfort and stability over time. These findings underscore the value of prolonged standing tasks for assessing postural control and guiding rehabilitation strategies in PwPD beyond what short static tests capture.\n                  <\/jats:p>","DOI":"10.1123\/mc.2025-0080","type":"journal-article","created":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T16:41:50Z","timestamp":1768322510000},"page":"117-128","source":"Crossref","is-referenced-by-count":0,"title":["Beyond Quiet Stance: The Role of Levodopa in Prolonged Standing in Parkinson\u2019s Disease"],"prefix":"10.1123","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-3540-1899","authenticated-orcid":true,"given":"Ana Rita C.","family":"Donati","sequence":"first","affiliation":[{"name":"Associa\u00e7\u00e3o de Assist\u00eancia \u00e0 Crian\u00e7a Deficiente (AACD), S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5595-4395","authenticated-orcid":true,"given":"Caroline","family":"Ribeiro de Souza","sequence":"additional","affiliation":[{"name":"Biomedical Engineering, Federal University of ABC, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2610-1320","authenticated-orcid":true,"given":"Thayna","family":"Magalh\u00e3es","sequence":"additional","affiliation":[{"name":"Center for Mathematics, Computation and Cognition, Federal University of ABC, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-9019-1862","authenticated-orcid":true,"given":"Mariana Freire","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o de Assist\u00eancia \u00e0 Crian\u00e7a Deficiente (AACD), S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-9953-3304","authenticated-orcid":true,"given":"Victor Mantic","family":"Correia","sequence":"additional","affiliation":[{"name":"Associa\u00e7\u00e3o de Assist\u00eancia \u00e0 Crian\u00e7a Deficiente (AACD), S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3678-8456","authenticated-orcid":true,"given":"Fabio Augusto","family":"Barbieri","sequence":"additional","affiliation":[{"name":"Human Movement Research Laboratory (MOVI-LAB), Department of Physical Education, School of Sciences, S\u00e3o Paulo State University (UNESP), Bauru, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8758-6507","authenticated-orcid":true,"given":"Daniel Boari","family":"Coelho","sequence":"additional","affiliation":[{"name":"Biomedical Engineering, Federal University of ABC, S\u00e3o Paulo, SP, Brazil"},{"name":"Center for Mathematics, Computation and Cognition, Federal University of ABC, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","reference":[{"key":"r1","series-title":"Brain Research,","doi-asserted-by":"publisher","DOI":"10.1016\/j.brainres.2021.147727","article-title":"Temporal dynamics of cortical activity and postural control in response to the first levodopa dose of the day in people with Parkinson\u2019s disease","volume":"1775","author":"Araujo-Silva, F.","year":"2022","unstructured":"Araujo-Silva, F., Santinelli, F.B., Felipe, I.I.L., Silveira, A.P.B., Vieira, L.H.P., Alcock, L., & Barbieri, F.A. 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