Key result
Aerobic exercise significantly lowered awake systolic and diastolic blood pressure compared to isometric handgrip exercise (differences of 4.8 and 3.1 mmHg, P=0.01/0.04) and control.
Why the study?
Does aerobic exercise compared with isometric handgrip exercise reduce blood pressure in middle-aged adults with prehypertension and obesity?
Population
27 middle-aged adults with prehypertension and obesity
Comparison
Acute bout of aerobic exercise and isometric… vs Nonexercise control
Design
RCT, Randomly completed three experiments
Follow-up
Acute (awake hours) and 8 weeks for a subset
Authors
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Favors aerobic over isometric exercise for BP reduction in prehypertensive obesity; confirms dynamic modality superiority in RCT.
RCT (n=27)
randomized
Does aerobic exercise compared with isometric handgrip exercise reduce blood pressure in middle-aged adults with prehypertension and obesity?
Mean Difference: 4.8
p-value: P = 0.01/0.04
Aerobic exercise, but not isometric handgrip exercise, provides immediate and sustained blood pressure reductions in adults with prehypertension and obesity.
Ash et al. (2016) conducted an RCT in prehypertension and obesity (n=27). Aerobic exercise vs. Isometric handgrip (IHG) resistance exercise and nonexercise control was evaluated on Awake systolic and diastolic blood pressure (MD 4.8/3.1 mmHg (SBP/DBP vs IHG), p=P = 0.01/0.04). Aerobic exercise significantly lowered awake systolic and diastolic blood pressure compared to isometric handgrip exercise (differences of 4.8 and 3.1 mmHg, P=0.01/0.04) and control.
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