2022
DOI: 10.1152/japplphysiol.00750.2021
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Priming cardiac function with voluntary respiratory maneuvers and effect on early exercise oxygen uptake

Abstract: Oxygen uptake (V'O2) at exercise onset is determined in part by acceleration of pulmonary blood flow (Q'p). Impairments in the Q'p response can decrease exercise tolerance. Prior research has shown that voluntary respiratory maneuvers can augment venous return, but the corollary impacts on cardiac function, Q'p and early-exercise V'O2 remain uncertain. We examined a) the cardiovascular effects of 3 distinct respiratory maneuvers (abdominal, AB; rib cage, RC and deep breathing, DB) under resting conditions in h… Show more

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Cited by 2 publications
(1 citation statement)
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“…The testing of respiratory movements was conducted using respiration belts (Vernier, Beaverton, OR, USA), which is a strap of fabric with a resistive stretch sensor embedded into it. Researchers used one or two belts to test the respiration rate [34], breathing maneuvers (abdominal breathing and chest breathing) [35], or respiratory waveform [36]. In the present study, we used two belts.…”
Section: Respiratory Movements Testing and Data Processingmentioning
confidence: 99%
“…The testing of respiratory movements was conducted using respiration belts (Vernier, Beaverton, OR, USA), which is a strap of fabric with a resistive stretch sensor embedded into it. Researchers used one or two belts to test the respiration rate [34], breathing maneuvers (abdominal breathing and chest breathing) [35], or respiratory waveform [36]. In the present study, we used two belts.…”
Section: Respiratory Movements Testing and Data Processingmentioning
confidence: 99%