The implementation of a home-based isometric wall squat intervention using ratings of perceived exertion to select and control exercise intensity: a pilot study in normotensive and pre-hypertensive adults.

Journal article

Lea, John W. D., O'Driscoll, Jamie M. and Wiles, J. 2023. The implementation of a home-based isometric wall squat intervention using ratings of perceived exertion to select and control exercise intensity: a pilot study in normotensive and pre-hypertensive adults. European Journal of Applied Physiology. https://doi.org/10.1007/s00421-023-05269-2

Publication dates
Authors	Lea, John W. D., O'Driscoll, Jamie M. and Wiles, J.
Abstract	Isometric exercise (IE) and isometric wall squat (IWS) training have been shown to be effective methods of reducing arterial blood pressure. However, most IE interventions require methodologies and equipment that could present a barrier to participation. Therefore, this study aimed to examine the effectiveness of an accessible RPE prescribed IWS intervention. Thirty normotensive and pre-hypertensive adults were randomly assigned to a control group or one of two 4-week home-based IWS intervention groups: the first group conducted IWS exercise where intensity was prescribed and monitored using RPE (RPE-EX), whilst the other used a previously validated HR prescription method (HR-EX). Resting and ambulatory heart rate (HR) and blood pressure (BP) were measured pre- and post-intervention. Minimum clinically important differences (MCID; - 5 mmHg) in SBP and/or DBP were shown in 100% of intervention participants. Statistically significant reductions were shown in resting seated BP (RPE-EX: SBP: - 9 ± 6, DBP: - 6 ± 4, MAP: - 6 ± 3 mmHg; HR-EX: SBP: - 14 ± 6, DBP: - 6 ± 4, MAP: - 8 ± 4 mmHg), supine BP (RPE-EX: SBP: - 8 (- 5), DBP: - 8 (- 7), MAP: - 8 (- 4) mmHg; HR-EX: SBP: - 5 (- 4), MAP - 5 (- 4) mmHg), and ambulatory SBP (RPE-EX: - 8 ± 6 mmHg; HR-EX: - 10 ± 4 mmHg) following the interventions. There were no statistically significant differences between intervention groups in the magnitude of BP reduction. RPE prescribed IWS exercise can provide an effective and more accessible method for reducing BP at home, providing reductions comparable to the current HR-based prescription method. [Abstract copyright: © 2023. The Author(s).]
Keywords	Hypertension; Randomised control trial; RPE; Resistance exercise; Perceived effort; Blood pressure
Year	2023
Journal	European Journal of Applied Physiology
ISSN	1439-6327
Digital Object Identifier (DOI)	https://doi.org/10.1007/s00421-023-05269-2
Official URL	https://link.springer.com/article/10.1007/s00421-023-05269-2
Online	17 Jul 2023
Publication process dates
Accepted	28 Jun 2023
Deposited	12 Sep 2023
Publisher's version	s00421-023-05269-2.pdf License CC BY 4.0
Output status	Published

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Swaine, I., Hunter, A., Carlton, K., Wiles, J. and Coleman, D. 2010. Reproducibility of limb power outputs and cardiopulmonary responses to exercise using a novel swimming training machine. International Journal of Sports Medicine. 31 (12), pp. 854-859. https://doi.org/10.1055/s-0030-1265175

The effect of sodium bicarbonate ingestion on 1500-m racing time

Bird, S., Wiles, J. and Robbins, J. 1995. The effect of sodium bicarbonate ingestion on 1500-m racing time. Journal of Sports Sciences. 13 (5), pp. 399-403. https://doi.org/10.1080/02640419508732255

Validity and reliability of the Ergomopro Powermeter

Kirkland, A., Coleman, D., Wiles, J. and Hopker, J. 2008. Validity and reliability of the Ergomopro Powermeter. International Journal of Sports Medicine. 29 (11), pp. 913-916. https://doi.org/10.1055/s-2008-1038621

The relationships between exercise intensity, heart rate, and blood pressure during an incremental isometric exercise test

Wiles, J., Allum, S., Coleman, D. and Swaine, I. 2007. The relationships between exercise intensity, heart rate, and blood pressure during an incremental isometric exercise test. Journal of Sports Sciences. 26 (2), pp. 155-162. https://doi.org/10.1080/02640410701370655

A novel method for the performance of isometric exercise in the home

Wiles, J., Coleman, D., Dunford, M. and Swaine, I. 2005. A novel method for the performance of isometric exercise in the home. Journal of Sports Sciences. 23 (8), pp. 795-803. https://doi.org/10.1080/02640410400021658

The effects of caffeine ingestion on performance time, speed and power during a laboratory-based 1 km cycling time-trial

Wiles, J., Coleman, D., Tegerdine, M. and Swaine, I. 2006. The effects of caffeine ingestion on performance time, speed and power during a laboratory-based 1 km cycling time-trial. Journal of Sports Sciences. 24 (11), pp. 1165-1171. https://doi.org/10.1080/02640410500457687

Validity and reliability of a new isometric hand dynamometer

Wiles, J., Boyson, H., Balmer, J. and Bird, S. 2001. Validity and reliability of a new isometric hand dynamometer. Sports Engineering. 4 (3), pp. 147-152. https://doi.org/10.1046/j.1460-2687.2001.00080.x

Relationships between pulse wave velocity and heart rate variability in healthy men with a range of moderate-to-vigorous physical activity levels

Perkins, G., Owen, A., Swaine, I. and Wiles, J. 2006. Relationships between pulse wave velocity and heart rate variability in healthy men with a range of moderate-to-vigorous physical activity levels. European Journal of Applied Physiology. 98 (5), pp. 516-523. https://doi.org/10.1007/s00421-006-0303-9

The implementation of a home-based isometric wall squat intervention using ratings of perceived exertion to select and control exercise intensity: a pilot study in normotensive and pre-hypertensive adults.

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