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J Am Heart Assoc. 2016 Sep 28;5(10). pii: e003231. doi: 10.1161/JAHA.116.003231.

Dynamic Resistance Training as Stand-Alone Antihypertensive Lifestyle Therapy: A Meta-Analysis.

Author information

1
Department of Kinesiology, The University of Alabama, Tuscaloosa, AL Department of Kinesiology, University of Connecticut, Storrs, CT Institute for Collaboration on Health, Intervention, and Policy (InCHIP), University of Connecticut, Storrs, CT hvmacdonald@ua.edu.
2
Department of Psychological Sciences, University of Connecticut, Storrs, CT Institute for Collaboration on Health, Intervention, and Policy (InCHIP), University of Connecticut, Storrs, CT.
3
Department of Allied Health Sciences, University of Connecticut, Storrs, CT Institute for Collaboration on Health, Intervention, and Policy (InCHIP), University of Connecticut, Storrs, CT.
4
Homer Babbidge Library, Health Sciences, University of Connecticut, Storrs, CT.
5
The Ohio State University College of Medicine, Columbus, OH.
6
Department of Human Sciences, The Ohio State University, Columbus, OH.
7
Institute of Physical Education and Sports, Universidade do Estado do Rio de Janeiro, Brazil.
8
Department of Kinesiology, University of Connecticut, Storrs, CT Institute for Collaboration on Health, Intervention, and Policy (InCHIP), University of Connecticut, Storrs, CT.

Abstract

BACKGROUND:

Aerobic exercise (AE) is recommended as first-line antihypertensive lifestyle therapy based on strong evidence showing that it lowers blood pressure (BP) 5 to 7 mm Hg among adults with hypertension. Because of weaker evidence showing that dynamic resistance training (RT) reduces BP 2 to 3 mm Hg among adults with hypertension, it is recommended as adjuvant lifestyle therapy to AE training. Yet, existing evidence suggests that dynamic RT can lower BP as much or more than AE.

METHODS AND RESULTS:

We meta-analyzed 64 controlled studies (71 interventions) to determine the efficacy of dynamic RT as stand-alone antihypertensive therapy. Participants (N=2344) were white (57%), middle-aged (47.2±19.0 years), and overweight (26.8±3.4 kg/m(2)) adults with prehypertension (126.7±10.3/76.8±8.7 mm Hg); 15% were on antihypertensive medication. Overall, moderate-intensity dynamic RT was performed 2.8±0.6 days/week for 14.4±7.9 weeks and elicited small-to-moderate reductions in systolic BP (SBP; d+=-0.31; 95% CIs, -0.43, -0.19; -3.0 mm Hg) and diastolic BP (DBP; d+=-0.30; 95% CIs, -0.38, -0.18; -2.1 mm Hg) compared to controls (Ps<0.001). Greater BP reductions occurred among samples with higher resting SBP/DBP: ≈6/5 mm Hg for hypertension, ≈3/3 mm Hg for prehypertension, and ≈0/1 mm Hg for normal BP (Ps<0.023). Furthermore, nonwhite samples with hypertension experienced BP reductions that were approximately twice the magnitude of those previously reported following AE training (-14.3 mm Hg [95% CIs, -19.0, -9.4]/-10.3 mm Hg [95% CIs, -14.5, -6.2]).

CONCLUSIONS:

Our results indicate that for nonwhite adult samples with hypertension, dynamic RT may elicit BP reductions that are comparable to or greater than those reportedly achieved with AE training. Dynamic RT should be further investigated as a viable stand-alone therapeutic exercise option for adult populations with high BP.

KEYWORDS:

exercise training; high blood pressure; hypertension; lifestyle; meta‐analysis; systematic review

PMID:
27680663
PMCID:
PMC5121472
DOI:
10.1161/JAHA.116.003231
[Indexed for MEDLINE]
Free PMC Article

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