April 1, 2008Applied Physiology Nutrition and Metabolism
Post-exercise hypotension and cardiovascular responses to moderate orthostatic stress in endurance-trained males
Key result
Acute bouts of interval or continuous exercise induced post-exercise hypotension (MAP reduced by 10 mmHg; p<0.05) but did not alter cardiovascular responses to moderate orthostatic stress.
Why the study?
Does acute exercise alter cardiovascular and cerebrovascular responses to moderate orthostatic stress in endurance-trained males?
Population
10 healthy, male, endurance-trained athletes, mean age 29.6 +/- 5 years.
Comparison
Acute bouts of interval and continuous exercise… vs Baseline LBNP session (without prior exercise).
Design
Other
Authors
Discussion
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Implication
Post-exercise hypotension does not impair orthostatic responses in trained males; leaves open generalizability to broader or clinical populations.
Structured PICO
Does acute exercise alter cardiovascular and cerebrovascular responses to moderate orthostatic stress in endurance-trained males?
P
Population
10 healthy, male, endurance-trained athletes assessed for cardiovascular and cerebrovascular responses to lower-body negative pressure following acute bouts of interval and continuous exercise.
I
Intervention
Acute bouts of interval and continuous exercise followed by lower-body negative pressure (LBNP).
C
Comparator
Baseline LBNP session (without prior exercise).
O
Outcome
Cardiovascular and cerebrovascular responses to LBNP (including mean arterial pressure, cardiac output, total peripheral resistance, heart rate variability, and total cerebral oxygen index).surrogate
Post-exercise hypotension following acute interval or continuous exercise does not alter cardiovascular and cerebrovascular responses to moderate orthostatic stress in young, endurance-trained males.
Cite This Study
Scott et al. (2008) studied Healthy, endurance-trained athletes (n=10). Acute bouts of interval and continuous exercise vs. Baseline (pre-exercise) was evaluated on Cardiovascular and cerebrovascular responses to lower-body negative pressure (LBNP). Acute bouts of interval or continuous exercise induced post-exercise hypotension (MAP reduced by 10 mmHg; p<0.05) but did not alter cardiovascular responses to moderate orthostatic stress.