Comparison of oxygen uptake kinetics during knee extension and cycle exercise

American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Shunsaku KogaThomas J Barstow

Abstract

The knee extension exercise (KE) model engenders different muscle and fiber recruitment patterns, blood flow, and energetic responses compared with conventional cycle ergometry (CE). This investigation had two aims: 1) to test the hypothesis that upright two-leg KE and CE in the same subjects would yield fundamentally different pulmonary O(2) uptake (pVo(2)) kinetics and 2) to characterize the muscle blood flow, muscle Vo(2) (mVo(2)), and pVo(2) kinetics during KE to investigate the rate-limiting factor(s) of pVo(2) on kinetics and muscle energetics and their mechanistic bases after the onset of heavy exercise. Six subjects performed KE and CE transitions from unloaded to moderate [< ventilatory threshold (VT)] and heavy (>VT) exercise. In addition to pVo(2) during CE and KE, simultaneous pulsed and echo Doppler methods, combined with blood sampling from the femoral vein, were used to quantify the precise temporal profiles of femoral artery blood flow (LBF) and mVo(2) at the onset of KE. First, the gain (amplitude/work rate) of the primary component of pVo(2) for both moderate and heavy exercise was higher during KE ( approximately 12 ml.W(-1).min(-1)) compared with CE ( approximately 10), but the time constants for the primary...Continue Reading

References

Oct 1, 1991·Journal of Applied Physiology·D C PooleP D Wagner
Nov 1, 1991·The Journal of Physiology·D H Paterson, B J Whipp
Mar 1, 1990·Journal of Applied Physiology·T J BarstowB J Whipp
Nov 1, 1985·Journal of Applied Physiology·P AndersenB Saltin
Dec 1, 1981·Journal of Applied Physiology: Respiratory, Environmental and Exercise Physiology·W L BeaverK Wasserman
Nov 1, 1994·Medicine and Science in Sports and Exercise·B J Whipp
Nov 1, 1994·Medicine and Science in Sports and Exercise·T J Barstow
Dec 1, 1994·Journal of Applied Physiology·J K ShoemakerR L Hughson
Oct 1, 1993·Journal of Applied Physiology·R S RichardsonP D Wagner
Oct 1, 1996·Journal of Applied Physiology·R L HughsonJ M Kowalchuk
Oct 1, 1996·Journal of Applied Physiology·T J BarstowR Casaburi
Mar 1, 1996·Journal of Applied Physiology·B GrassiP D Wagner
Dec 1, 1996·Journal of Applied Physiology·M EngelenT J Barstow
Oct 24, 1997·Journal of Applied Physiology·S KogaT J Barstow
Feb 12, 1998·The American Journal of Physiology·G Rådegran, B Saltin
Jun 18, 1998·International Journal of Sports Medicine·R S RichardsonL J Haseler
Apr 8, 1999·Journal of Applied Physiology·M E Tschakovsky, R L Hughson
Jul 20, 1999·Journal of Applied Physiology·S KogaT J Barstow
Mar 31, 2000·Canadian Journal of Physiology and Pharmacology·M J MacDonaldR L Hughson
Aug 24, 2000·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·J BangsboB Saltin
Jan 3, 2001·Journal of Applied Physiology·M J MacDonaldR L Hughson
Feb 13, 2001·Journal of Applied Physiology·S KogaD C Poole
May 15, 2001·American Journal of Physiology. Endocrinology and Metabolism·J BangsboB Saltin
Jul 28, 2001·Exercise and Sport Sciences Reviews·B Grassi
Aug 8, 2001·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·R L Hughson
May 17, 2002·Journal of Applied Physiology·Yoshiyuki FukubaTakayoshi Yoshida
May 17, 2002·Journal of Applied Physiology·Andrew M JonesIain T Campbell
Oct 23, 2002·Journal of Applied Physiology·Casey A KindigMichael C Hogan
Nov 12, 2002·Respiratory Physiology & Neurobiology·Brad J BehnkeDavid C Poole
Jul 29, 2003·Journal of Applied Physiology·Barry W Scheuermann, Thomas J Barstow

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Citations

Jan 25, 2012·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Sarah Margaret ClelandDonald Hugh Paterson
Oct 3, 2008·American Journal of Physiology. Cell Physiology·Yanjun LiMarco E Cabrera
Nov 22, 2011·American Journal of Physiology. Heart and Circulatory Physiology·David C PooleTimothy I Musch
Jun 4, 2013·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Liza StathokostasDonald H Paterson
Nov 6, 2014·PloS One·C Martyn BeavenHans-Christer Holmberg
Feb 15, 2005·Experimental Physiology·Leonardo F FerreiraThomas J Barstow
May 24, 2007·European Journal of Applied Physiology·Anna OoueNarihiko Kondo
Dec 8, 2004·Journal of Applied Physiology·Natasha R SaundersMichael E Tschakovsky
Oct 5, 2006·Medicine and Science in Sports and Exercise·Michael E TschakovskyDenis E O'Donnell
Feb 5, 2005·Journal of Applied Physiology·Jason J HamannPhilip S Clifford
Nov 21, 2007·European Journal of Applied Physiology·John R ThistlethwaiteBarry W Scheuermann
Jun 10, 2008·Journal of Physiological Anthropology·Masato Tokui, Kohji Hirakoba
Apr 2, 2008·Medicine and Science in Sports and Exercise·David C PooleAndrew M Jones
Mar 25, 2006·Experimental Physiology·Allison J HarperThomas J Barstow
Jan 6, 2007·Journal of Applied Physiology·Richard A HowlettMichael C Hogan
May 19, 2007·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Nicolas J A Berger, Andrew M Jones
Sep 8, 2007·Journal of Applied Physiology·Leonardo F FerreiraThomas J Barstow
Mar 18, 2008·American Journal of Physiology. Heart and Circulatory Physiology·Masako Yamaoka EndoYoshiyuki Fukuba
Mar 19, 2008·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Neil Armstrong, Samantha G Fawkner
Dec 19, 2009·Medicine and Science in Sports and Exercise·Alan R BarkerNeil Armstrong
Apr 23, 2013·European Journal of Applied Physiology·Stefano LazzerBruno Grassi
Oct 5, 2010·American Journal of Physiology. Heart and Circulatory Physiology·Azmy FaisalRichard L Hughson
Nov 4, 2008·Journal of Strength and Conditioning Research·Moh H MalekDona J Housh
May 10, 2011·Medicine and Science in Sports and Exercise·Andrew M JonesDavid C Poole
May 3, 2019·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Shunsaku KogaThomas J Barstow
Oct 5, 2013·Medicine and Science in Sports and Exercise·Shunsaku KogaDavid C Poole
Oct 22, 2016·American Journal of Physiology. Heart and Circulatory Physiology·Victor M NiemeijerHareld M C Kemps
Sep 22, 2007·Journal of Applied Physiology·Shunsaku KogaThomas J Barstow
May 22, 2019·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Takashi NakagataHisashi Naito
Jan 25, 2020·The Journal of Physiology·David C PooleTimothy I Musch
Dec 24, 2014·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Kory W MathewsonRichard B Thompson
Jun 3, 2011·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Shunsaku KogaThomas J Barstow

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