November 9, 2007Journal of Applied Physiology
Short-term modulation of the exercise ventilatory response in young men
Why the study?
Does added external dead space alter the exercise ventilatory response in young men?
Population
12 young men
Comparison
Added external dead space at rest and during… vs Control conditions (no added dead space)
Design
Randomized (order of dead space volumes)
Authors
Discussion
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Implication
Induces short-term modulation of exercise ventilatory response in humans; confirms mechanisms proposed in animal studies.
Structured PICO
Does added external dead space alter the exercise ventilatory response in young men?
P
Population
12 young men
I
Intervention
Added external dead space (DS) (200, 400, and 600 ml) at rest and during mild-to-moderate cycle exercise
C
Comparator
Control conditions (no added dead space)
O
Outcome
Exercise ventilatory response (slope of the ventilation-CO2 production relationship, DeltaVe/DeltaVco2)surrogate
Short-term modulation of the exercise ventilatory response is induced in humans when resting ventilatory drive is increased with external dead space, confirming mechanisms previously proposed in animal studies.
Cite This Study
Wood et al. (2007) studied this question.