Author(s) |
Hess, N C L
Carlson, D J
Inder, J D
Jesulola, E
McFarlane, J R
Smart, N A
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Publication Date |
2016
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Abstract |
There exists no examination of what is the minimum antihypertensive threshold intensity for isometric exercise training. Twenty two normotensive participants were randomly assigned to training intensities at either 5% or 10% of their maximal contraction. Twenty participants completed the study. Clinical meaningful, but not statistically significant, reductions in systolic blood pressure were observed in both 5% and 10% groups -4.04 mm Hg (95 % CI -8.67 to +0.59, p=0.08) and -5.62 mm Hg (95 % CI -11.5 to +0.29, p=0.06) respectively after 6 weeks training. No diastolic blood pressure reductions were observed in either 5 % -0.97 mm Hg (95 % CI -2.56 to +0.62, p=0.20) or 10 % MVC +1.8 mm Hg (95 % CI -1.29 to +4.89, p=0.22) groups respectively after training. In those unable to complete isometric exercise at the traditional 30 % intensity, our results suggest there is no difference between 5 and 10 % groups and based on the principle of regression to the mean, this could mean both interventions induce a similar placebo-effect.
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Citation |
Physiological Research, 65(3), p. 461-468
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ISSN |
1802-9973
0862-8408
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Link | |
Publisher |
Akademie Ved Ceske Republiky, Fyziologicky Ustav, Czech Academy of Sciences, Institute of Physiology
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Title |
Clinically Meaningful Blood Pressure Reductions With Low Intensity Isometric Handgrip Exercise: A Randomized Trial
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Type of document |
Journal Article
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Entity Type |
Publication
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