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A comparison of blood pressure reductions following 12-weeks of isometric exercise training either in the laboratory or at home

A comparison of blood pressure reductions following 12-weeks of isometric exercise training either in the laboratory or at home

Gordon, B. DH., Vinoski Thomas, E., Warren-Findlow, J., Marino, J. S., Bennett, J. M., Reitzel, A. M., Leamy, L. J., Swaine, I. and Howden, R. (2018) A comparison of blood pressure reductions following 12-weeks of isometric exercise training either in the laboratory or at home. Journal of the American Society of Hypertension, 12 (11). pp. 798-808. ISSN 1933-1711 (Print), 1878-7436 (Online) (doi:https://doi.org/10.1016/j.jash.2018.09.003)

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Abstract

Purpose:
Isometric exercise training (IET) induced reductions in resting blood pressure (RBP) have been achieved in laboratory environments, but data in support of IET outside the lab is scarce. The aim of this study was to compare 12-weeks of home-based (HOM) IET with laboratory-based, face-to-face (LAB) IET in hypertensive adults.

Methods:
22 hypertensive participants (24-60 years) were randomized to three conditions; HOM, LAB or control (CON). IET involved isometric handgrip training (4 x 2-minutes at 30% maximum voluntary contraction, 3 days per week). RBP was measured every 6-weeks (0, 6 and 12 weeks) during training and 6-weeks post-training (18 weeks).

Results:
Clinically meaningful, but not statistically significant reductions RBP were observed following 12 weeks of LAB IET (SBP -9.1±4.1; DBP-2.8±2.1 P>0.05), which was sustained for 6 weeks of detraining (SBP -8.2±2.9; DBP -4±2.9 P>0.05). RBP was reduced in the HOM group after 12 weeks of training (SBP -9.7±3.4; DBP - 2.2±2.0 P>0.05) which was sustained for an additional 6 weeks of detraining (SBP -5.5±3.4;
DBP -4.6±1.8, P>0.05).

Conclusions:
Unsupervised home-based IET programs present an exciting opportunity for community-based strategies to combat hypertension but additional work is needed if IET is to be employed routinely outside the laboratory.

Item Type: Article
Uncontrolled Keywords: Blood pressure, hypertension, isometric exercise, home exercise
Subjects: Q Science > QP Physiology
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Centre for Science and Medicine in Sport and Exercise
Faculty of Engineering & Science > Department of Life & Sports Sciences
Last Modified: 23 Sep 2019 01:38
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: GREAT 3
URI: http://gala.gre.ac.uk/id/eprint/21451

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