Key result
Dynamic resistance exercise lowers post-exercise blood pressure by ~8 mmHg vs isometric exercise and control.
Why the study?
Although both dynamic and isometric resistance exercise are effective complementary strategies for blood pressure management, their comparative effects on post-exercise hypotension remain unclear.
Does dynamic resistance exercise induce greater post-exercise hypotension than workload-matched isometric resistance exercise in normotensive young men?
Does dynamic resistance exercise induce greater post-exercise hypotension than workload-matched isometric resistance exercise in normotensive young men?
When matched for total workload and exercise characteristics, acute dynamic resistance exercise induces significant post-exercise hypotension (~-8 mmHg) whereas isometric resistance exercise does not, likely driven by greater systemic hemodynamic and autonomic perturbations during dynamic exercise.
Answers are grounded in this paper and cite their sources.
Dynamic resistance exercise may induce greater post-exercise hypotension than isometric; hypothesis-generating and requires confirmation in larger, clinical populations.
Post-exercise hypotension (PEH) is a clinically relevant response to acute exercise and a predictor of blood pressure (BP) adaptations to chronic training. Although both dynamic and isometric resistance exercise (RE) are effective complementary strategies for BP management, their comparative effects on PEH remain unclear. This study (i) compared PEH following dynamic-and isometric-RE matched for exercise characteristics and total workload, and (ii) examined systemic hemodynamics and autonomic function during exercise, as cardiovascular perturbations may influence PEH magnitude. In a crossover-design, ten normotensive-young men completed: dynamic-RE and isometric-RE on bilateral-leg-press (2-min×4-sets, 30% of MVC, with equivalent workload), and non-exercise control. BP was measured at rest and for 90 minutes post-intervention. Systemic hemodynamics and baroreceptor sensitivity (BRS) were assessed during RE. Dynamic-RE elicited significant PEH (approximately -8mmHg) versus isometric-RE and control (p<0.05-0.01), with reductions in systolic-, diastolic-, and mean-BP evident from 40 to 90 min post-exercise. Isometric-RE did not induce PEH. Dynamic-RE produced greater cardiovascular/autonomic responses, including higher heart-rate, stroke-volume, cardiac-output alongside larger reductions in total-peripheral-resistance and BRS. In conclusion, when matched for exercise characteristics, dynamic but not isometric-RE induced a PEH effect. The PEH effect of dynamic-RE may, in part, be related to its larger cardiovascular/autonomic perturbations, potentially promoting greater postexercise vasodilation.
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Koutlas et al. (2026) studied Normotensive (n=10). Dynamic resistance exercise on bilateral leg press vs. Isometric resistance exercise (2-min x 4-sets, 30% of MVC, matched workload) and non-exercise control was evaluated on Post-exercise hypotension (systolic, diastolic, and mean blood pressure reductions) (MD -8 mmHg, p=<0.05-0.01). Dynamic resistance exercise elicited significant post-exercise hypotension (~-8 mmHg) vs isometric resistance exercise and control (p<0.05-0.01).
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