Home-based isometric exercise training induced reductions resting blood pressure

Wiles, J., Goldring, N. G. and Coleman, D. A. (2016) Home-based isometric exercise training induced reductions resting blood pressure. European Journal of Applied Physiology. ISSN 1439-6319.

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Isometric exercise training (IET) reduces resting blood pressure (BP). Most previous protocols impose exercise barriers which undermine its effectiveness as a potential physical therapy for altering BP. An inexpensive, home-based programme would promote IET as a valuable tool in the fight against hypertension. The aims of this study were: (a) to investigate whether home-based wall squat training could successfully reduce resting BP, and (b) to explore the physiological variables that might mediate a change in resting BP.

Twenty-eight healthy normotensive males were randomly assigned to a control and a 4 week home-based IET intervention using a crossover design with a 4 week ‘washout’ period in-between. Wall squat training was completed 3x weekly over 4 weeks with 48 hours between sessions. Each session comprised 4x 2 minute bouts of wall squat exercise performed at a participant-specific knee joint angle relative to a target HR of 95% HRpeak, with 2 minutes rest between bouts. Resting heart rate, BP, cardiac output, total peripheral resistance and stroke volume were taken at baseline and post each condition.

Resting BP (systolic = -4 ± 5, diastolic = -3 ± 3 and mean arterial = -3 ± 3 mmHg), cardiac output (-0.54 ± 0.66 L∙min-1) and heart rate (-5 ± 7 beats∙min-1) were all reduced following IET, with no change in total peripheral resistance or stroke volume compared to the control.
These findings suggest the wall squat provides an effective method for reducing resting BP in the home resulting primarily from a reduction in resting heart rate.

Item Type: Article
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV0558 Sports science
Divisions: Faculty of Social and Applied Sciences > School of Human and Life Sciences
Depositing User: Dr Damian Coleman
Date Deposited: 17 Nov 2016 14:12
Last Modified: 07 Dec 2017 18:38
URI: https://create.canterbury.ac.uk/id/eprint/15157

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Last edited: 29/06/2016 12:23:00