BIO Web of Conferences
Volume 1, 2011The International Conference SKILLS 2011
|Number of page(s)||4|
|Published online||15 December 2011|
Stabilizing the Locomotor-Respiratory Coupling Using a Metronome to Save Energy
Movement to Health (M2H) Laboratory, EuroMov, Montpellier-1 University, France
The Locomotor-Respiratory Coupling (LRC) is often evidenced by phase- or frequency-locking patterns. The model of the sine circle map is used here to characterize LRC. Several studies have suggested that a sound emitted by an external metronome can stabilize the LRC. Participants in our task were asked during a cycling exercise to synchronize either their respiration or their pedaling rate with an external auditory stimulus corresponding to their preferred respiratory and pedaling frequencies respectively. Our results showed a significant reduction in energy expenditure when participants breathed in sync with the auditory stimulation, but not accompanied by a change in the stabilization of LRC. A large within- as well as between-participants LRC variability, together with the spontaneous adoption of the most stable pace, contributes to explain this result.
© Owned by the authors, published by EDP Sciences, 2011
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