Key result
Supine recovery after high-intensity exercise optimizes acute BP reduction vs standing by avoiding orthostatic stress.
RCT
randomized crossover
Absolute Event Rate: 61.5% vs 18.5%
p-value: p=<0.001
Supine recovery should be prioritized after high-intensity exercise to maximize acute BP reduction; extends PEH research to posture-specific protocols.
BACKGROUND: Postexercise hypotension (PEH) is a well-established cardiovascular benefit of acute exercise, yet the influence of recovery posture on hemodynamic mechanisms remains understudied. This study investigated how different recovery positions affect postexercise cardiovascular responses. METHODS: ) completed a randomized crossover trial comparing four conditions: control (no exercise), and high-intensity interval exercise followed by supine, seated, or standing recovery. Cardiovascular parameters of blood pressure, heart rate, stroke volume, and systemic vascular resistance were measured continuously for 60 minutes postexercise. RESULTS: Standing recovery produced the greatest heart rate increase (61.5%) versus supine (18.5%, P<0.001). Stroke volume showed significant condition × pre-/postexercise interactions (F(3, 2097)=134.219, P<0.001), with standing recovery causing dramatic reductions (-69.6%) compared to supine (+0.1%) and seated (-20.3%). Cardiac output interactions were significant (F(3, 2097)=45.292, P<0.001), with standing decreasing (-21.4%) while supine increased (+19.0%). Systemic vascular resistance demonstrated significant interactions (F(3, 2097)=55.977, P<0.001), increasing markedly during standing (+31.9%) while decreasing during supine recovery (-17.7%). Diastolic blood pressure showed significant condition × pre-/postexercise interactions (F(3, 592)=4.512, P=0.004), with standing producing the highest increase (+8.9%). CONCLUSIONS: Recovery posture significantly influences postexercise cardiovascular responses through gravitational effects on blood distribution. Standing recovery attenuates hypotensive benefits due to orthostatic stress, while supine recovery optimizes acute blood pressure reduction.
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Laufenberg et al. (2026) conducted an RCT in Postexercise hypotension. Standing, seated, or supine recovery following high-intensity interval exercise vs. Control (no exercise) was evaluated on Heart rate increase (p=<0.001). Standing recovery following high-intensity exercise produced a greater heart rate increase (61.5%) compared to supine recovery (18.5%, P<0.001), attenuating hypotensive benefits.
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