Inspiratory loading and limb locomotor and respiratory muscle deoxygenation during cycling exercise

Highlights ► Inspiratory loading during exercise increases limb and respiratory muscle deoxygenation. ► Greater respiratory muscle deoxygenation during inspiratory loading likely reflects increased O2 extraction. ► Increased locomotor muscle O2 extraction may facilitate increased O2 delivery to the...

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Veröffentlicht in:	Respiratory physiology & neurobiology 2013-02, Vol.185 (3), p.506-514
Hauptverfasser:	Turner, Louise A, Tecklenburg-Lund, Sandra, Chapman, Robert F, Stager, Joel M, Duke, Joseph W, Mickleborough, Timothy D
Format:	Artikel
Sprache:	eng
Schlagworte:	Bicycling - physiology Exercise - physiology Humans Inhalation - physiology Male Medical Education Muscle Contraction - physiology Muscle oxygenation Muscle, Skeletal - physiology Near-infrared spectroscopy Oxygen - metabolism Oxygen Consumption - physiology Pulmonary/Respiratory Resistive breathing Respiratory Muscles - physiology Spectroscopy, Near-Infrared Young Adult
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Beschreibung
Zusammenfassung:	Highlights ► Inspiratory loading during exercise increases limb and respiratory muscle deoxygenation. ► Greater respiratory muscle deoxygenation during inspiratory loading likely reflects increased O2 extraction. ► Increased locomotor muscle O2 extraction may facilitate increased O2 delivery to the respiratory muscles.
ISSN:	1569-9048 1878-1519
DOI:	10.1016/j.resp.2012.11.018