{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T11:00:49Z","timestamp":1775473249572,"version":"3.50.1"},"reference-count":51,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,7,19]],"date-time":"2022-07-19T00:00:00Z","timestamp":1658188800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004586","name":"Funda\u00e7\u00e3o Carlos Chagas Filho de Amparo \u00e0 Pesquisa do Estado do Rio de Janeiro","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004586","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Physiol."],"abstract":"<jats:p><jats:bold>Objectives:<\/jats:bold>To investigate whether a single bout of mixed circuit training (MCT) can elicit acute blood pressure (BP) reduction in chronic hemiparetic stroke patients, a phenomenon also known as post-exercise hypotension (PEH).<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold>Seven participants (58 \u00b1 12\u00a0years) performed a non-exercise control session (CTL) and a single bout of MCT on separate days and in a randomized counterbalanced order. The MCT included 10 exercises with 3 sets of 15-repetition maximum per exercise, with each set interspersed with 45\u00a0s of walking. Systolic (SBP) and diastolic (DBP) blood pressure, mean arterial pressure (MAP), cardiac output (Q), systemic vascular resistance (SVR), baroreflex sensitivity (BRS), and heart rate variability (HRV) were assessed 10\u00a0min before and 40\u00a0min after CTL and MCT. BP and HRV were also measured during an ambulatory 24-h recovery period.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold>Compared to CTL, SBP (\u2206-22%), DBP (\u2206-28%), SVR (\u2206-43%), BRS (\u2206-63%), and parasympathetic activity (HF; high-frequency component: \u2206-63%) were reduced during 40\u00a0min post-MCT (<jats:italic>p<\/jats:italic>&amp;lt; 0.05), while Q (\u220635%), sympathetic activity (LF; low-frequency component: \u2206139%) and sympathovagal balance (LF:HF ratio: \u2206145%) were higher (<jats:italic>p<\/jats:italic>&amp;lt; 0.001). In the first 10\u00a0h of ambulatory assessment, SBP (\u2206-7%), MAP (\u2206-6%), and HF (\u2206-26%) remained lowered, and LF (\u220611%) and LF:HF ratio (\u220613%) remained elevated post-MCT<jats:italic>vs.<\/jats:italic>CTL (<jats:italic>p<\/jats:italic>&amp;lt; 0.05).<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold>A single bout of MCT elicited prolonged PEH in chronic hemiparetic stroke patients. This occurred concurrently with increased sympathovagal balance and lowered SVR, suggesting vasodilation capacity is a major determinant of PEH in these patients. This clinical trial was registered in the Brazilian Clinical Trials Registry (RBR-5dn5zd), available at<jats:ext-link>https:\/\/ensaiosclinicos.gov.br\/rg\/RBR-5dn5zd<\/jats:ext-link>.<\/jats:p><jats:p><jats:bold>Clinical Trial Registration:<\/jats:bold><jats:ext-link>https:\/\/ensaiosclinicos.gov.br\/rg\/RBR-5dn5zd<\/jats:ext-link>, identifier RBR-5dn5zd<\/jats:p>","DOI":"10.3389\/fphys.2022.902903","type":"journal-article","created":{"date-parts":[[2022,7,19]],"date-time":"2022-07-19T06:27:11Z","timestamp":1658212031000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Acute effects of mixed circuit training on hemodynamic and cardiac autonomic control in chronic hemiparetic stroke patients: A randomized controlled crossover trial"],"prefix":"10.3389","volume":"13","author":[{"given":"Guilherme F.","family":"Fonseca","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adrian W.","family":"Midgley","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sandra A.","family":"Billinger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andr\u00e9 C.","family":"Michalski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victor A. 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