{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:49:55Z","timestamp":1787237395010,"version":"build-2736575974"},"reference-count":52,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T00:00:00Z","timestamp":1772755200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Universidad T\u00e9cnica del Norte","award":["InvestigaUTN-2025-1475"],"award-info":[{"award-number":["InvestigaUTN-2025-1475"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JFMK"],"abstract":"<jats:p>Background: Hypertension is a multifactorial condition influenced by physiological, behavioral, and psychosocial factors. Muscle strength, physical activity, sleep quality, and perceived stress may contribute to blood pressure variability, although their relative influence remains unclear. This study examined associations between systolic blood pressure (SBP) and demographic, anthropometric, neuromuscular, behavioral, and psychosocial variables in adults with primary hypertension, with secondary analyses for diastolic blood pressure (DBP) and sex differences. Methods: A cross-sectional study was conducted in 391 adults with hypertension (165 men, 226 women). Predictors included age, body mass index, lower-limb muscle strength, physical activity (GPAQ), sleep quality (PSQI), and perceived stress. Associations were analyzed using correlation analyses and sex-stratified multivariable regression models. Results: In men, SBP correlated positively with age and negatively with lower-limb strength. In women, SBP showed associations with physical activity and perceived stress. Regression analyses indicated that sleep quality and perceived stress were independently associated with SBP in women (adjusted R2 = 0.13), whereas hamstring strength was associated with DBP in men with low explanatory capacity (R2 = 0.05). Moderate-to-high collinearity was observed among strength variables. Conclusions: Blood pressure variability was associated with neuromuscular and psychosocial factors with sex-specific patterns; however, the modest explained variance suggests these factors act as complementary rather than primary determinants. Longitudinal studies are needed to clarify causal relationships.<\/jats:p>","DOI":"10.3390\/jfmk11010112","type":"journal-article","created":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T13:00:02Z","timestamp":1772802002000},"page":"112","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The Role of Muscle Strength, Physical Activity, Perceived Stress, and Sleep Quality in Patients with Hypertension"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4035-0967","authenticated-orcid":false,"given":"Veronica","family":"Potosi-Moya","sequence":"first","affiliation":[{"name":"Facultad Ciencias de la Salud, Universidad T\u00e9cnica del Norte (UTN), Ibarra 100105, Ecuador"},{"name":"Red de Investigaci\u00f3n en Fisioterapia (RIF), Ibarra 100105, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0691-3367","authenticated-orcid":false,"given":"Ronnie","family":"Paredes-G\u00f3mez","sequence":"additional","affiliation":[{"name":"Facultad Ciencias de la Salud, Universidad T\u00e9cnica del Norte (UTN), Ibarra 100105, Ecuador"},{"name":"Red de Investigaci\u00f3n en Fisioterapia (RIF), Ibarra 100105, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shulianna","family":"Burgos-Vera","sequence":"additional","affiliation":[{"name":"Facultad Ciencias de la Salud, Universidad T\u00e9cnica del Norte (UTN), Ibarra 100105, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samantha","family":"B\u00e1ez-Narv\u00e1ez","sequence":"additional","affiliation":[{"name":"Facultad Ciencias de la Salud, Universidad T\u00e9cnica del Norte (UTN), Ibarra 100105, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"380","DOI":"10.1111\/jch.14621","article-title":"Reductions in Systolic Blood Pressure Achieved by Hypertensives with Three Isometric Training Sessions per Week Are Maintained with a Single Session per Week","volume":"25","author":"Cohen","year":"2023","journal-title":"J. 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