The effect of slow breathing on cardiovascular and electromyographic responses during standing perturbations in older adults

Patrick Siedlecki (), Tanya D. Ivanova () and S. Jayne Garland ()
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Patrick Siedlecki: Western University
Tanya D. Ivanova: Western University
S. Jayne Garland: Western University

European Journal of Ageing, 2025, vol. 22, issue 1, No 26, 12 pages

Abstract: Abstract A bi-directional interaction between the cardiovascular and postural control systems has been previously reported in young adults; however, limited data exist in older populations where physiological alternations in these systems are well known. The purpose of this study was to determine: (1) the effect of slow breathing on heart rate (HR) and systolic blood pressure (SBP) responses following surface support postural perturbations in older adults and (2) the effect of slow breathing on lower limb muscle burst onset and burst amplitude during postural perturbations of the support surface in older adults. Twenty community-dwelling older adults experienced posteriorly directed accelerations of treadmill belts during quiet standing while breathing spontaneously (SPON) or breathing at 6 breaths per minute (SLOW). SBP, HR, and muscle burst onset and burst amplitude were analyzed for 7 s from each perturbation’s onset. Post-perturbation comparison of SLOW and SPON showed that SBP was significantly higher during SPON over the entire analyzed time period (0–7 s) (p 0.05). The muscle burst onset was shortened in the SLOW compared to SPON task (p

Keywords: Heart rate; Blood pressure; Postural control; Cardiac baroreflex; Respiration (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10433-025-00863-z

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