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These results could suggest the need to review the current guidelines on physical exercise for the prevention and treatment of hypertension.
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In search of more up-to-date information, the researchers reviewed clinical trials reporting the effects of different exercise training interventions on resting blood pressure.
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Systolic blood pressure reductions after training were 4.49/2.53 mmHg for aerobic exercise, 4.55/3.04 mmHg for dynamic resistance training, 6.04/2.54 mmHg for combined training, 4.08/2.50 mmHg for HIIT and 8.24/4 mmHg for isometric exercise.
Isometric exercise training proved to be the most effective in reducing systolic blood pressure, followed by combination training, dynamic resistance training, aerobic exercise, and HIIT.
Secondary analyzes revealed that wall squats (isometric) and running (aerobic) were the most effective individual exercises in lowering systolic and diastolic blood pressure, respectively. In general, isometric exercise was found to be the most effective modality in reducing both components of blood pressure.
Despite acknowledging some limitations related to clinical trial variability and differences in exercise interventions, the investigators concluded that isometric exercise training is the most effective option for reducing both systolic and diastolic blood pressure.
