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Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention
Background: Hypertension is the leading risk factor for global mortality. Isometric resistance exercise training reduces blood pressure (BP). However, the protocols used are often limited by cost/immobility and the use of rigid exercise modalities. In response, a novel more versatile, isometric exer...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6600323/ https://www.ncbi.nlm.nih.gov/pubmed/31417322 http://dx.doi.org/10.2147/OAJSM.S193008 |
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author | Baddeley-White, Daniel S McGowan, Cheri L Howden, Reuben Gordon, Benjamin DH Kyberd, Peter Swaine, Ian L |
author_facet | Baddeley-White, Daniel S McGowan, Cheri L Howden, Reuben Gordon, Benjamin DH Kyberd, Peter Swaine, Ian L |
author_sort | Baddeley-White, Daniel S |
collection | PubMed |
description | Background: Hypertension is the leading risk factor for global mortality. Isometric resistance exercise training reduces blood pressure (BP). However, the protocols used are often limited by cost/immobility and the use of rigid exercise modalities. In response, a novel more versatile, isometric exercise (IE) device, the IsoBall (IB) was created. Purpose: The aim of this study was to test the BP-lowering effectiveness of this prototype. Methods: Twenty-three healthy participants (29.10±2.19 years old, 173.95±3.83 cm, 75.43±5.06 kg, SBP 127.10±10.37 mmHg, DBP 70.40±6.77 mmHg) were randomly allocated to either a control group (CON) or 2 isometric handgrip (IHG) training groups that used the Zona plus (ZON) and IB devices. The intervention groups completed 3 sessions each week of 4, 2 min IHG at 30% maximal voluntary contraction, with a 1-min rest, for 4 weeks. Resting BP, heart rate (HR) and IHG strength were measured in all groups at baseline and postintervention. Results: Postintervention systolic BP (SBP) was significantly lower in both ZON (114.5±8.2 mmHg, p = 0.000) and IB (119.9±7.0 mmHg, p = 0.000) compared to control (131.0±12.4 mmHg). Postintervention diastolic BP (DBP) was reduced in both intervention groups (ZON 66.6±7.4 mmHg, p = 0.004; IB 65.7±10.0 mmHg, p = 0.012) compared to CON (71.1±8.8 mmHg). Mean arterial pressure (MAP) was reduced in both groups (ZON 82.6±6.8 mmHg, p = 0.000; IB 84.3±9.1 mmHg, p = 0.000) compared to control (91.0±9.7 mmHg). No significant changes were seen in HR or strength (p > 0.05). Conclusion: The results of this study indicate that both the ZON and IB devices elicit significant SBP, DBP and MAP reductions. Despite the ZON group having larger reductions in BP, no significant differences were found between the two devices. Thus, this study indicates the IB device to be an effective alternative to the ZON that can also be used to perform other IE modalities. |
format | Online Article Text |
id | pubmed-6600323 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | Dove |
record_format | MEDLINE/PubMed |
spelling | pubmed-66003232019-08-15 Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention Baddeley-White, Daniel S McGowan, Cheri L Howden, Reuben Gordon, Benjamin DH Kyberd, Peter Swaine, Ian L Open Access J Sports Med Original Research Background: Hypertension is the leading risk factor for global mortality. Isometric resistance exercise training reduces blood pressure (BP). However, the protocols used are often limited by cost/immobility and the use of rigid exercise modalities. In response, a novel more versatile, isometric exercise (IE) device, the IsoBall (IB) was created. Purpose: The aim of this study was to test the BP-lowering effectiveness of this prototype. Methods: Twenty-three healthy participants (29.10±2.19 years old, 173.95±3.83 cm, 75.43±5.06 kg, SBP 127.10±10.37 mmHg, DBP 70.40±6.77 mmHg) were randomly allocated to either a control group (CON) or 2 isometric handgrip (IHG) training groups that used the Zona plus (ZON) and IB devices. The intervention groups completed 3 sessions each week of 4, 2 min IHG at 30% maximal voluntary contraction, with a 1-min rest, for 4 weeks. Resting BP, heart rate (HR) and IHG strength were measured in all groups at baseline and postintervention. Results: Postintervention systolic BP (SBP) was significantly lower in both ZON (114.5±8.2 mmHg, p = 0.000) and IB (119.9±7.0 mmHg, p = 0.000) compared to control (131.0±12.4 mmHg). Postintervention diastolic BP (DBP) was reduced in both intervention groups (ZON 66.6±7.4 mmHg, p = 0.004; IB 65.7±10.0 mmHg, p = 0.012) compared to CON (71.1±8.8 mmHg). Mean arterial pressure (MAP) was reduced in both groups (ZON 82.6±6.8 mmHg, p = 0.000; IB 84.3±9.1 mmHg, p = 0.000) compared to control (91.0±9.7 mmHg). No significant changes were seen in HR or strength (p > 0.05). Conclusion: The results of this study indicate that both the ZON and IB devices elicit significant SBP, DBP and MAP reductions. Despite the ZON group having larger reductions in BP, no significant differences were found between the two devices. Thus, this study indicates the IB device to be an effective alternative to the ZON that can also be used to perform other IE modalities. Dove 2019-06-24 /pmc/articles/PMC6600323/ /pubmed/31417322 http://dx.doi.org/10.2147/OAJSM.S193008 Text en © 2019 Baddeley-White et al. http://creativecommons.org/licenses/by-nc/3.0/ This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php). |
spellingShingle | Original Research Baddeley-White, Daniel S McGowan, Cheri L Howden, Reuben Gordon, Benjamin DH Kyberd, Peter Swaine, Ian L Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
title | Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
title_full | Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
title_fullStr | Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
title_full_unstemmed | Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
title_short | Blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
title_sort | blood pressure lowering effects of a novel isometric exercise device following a 4-week isometric handgrip intervention |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6600323/ https://www.ncbi.nlm.nih.gov/pubmed/31417322 http://dx.doi.org/10.2147/OAJSM.S193008 |
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