Готові списки джерел за темами / Locomotor oxygenation

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Добірка наукової літератури з теми "Locomotor oxygenation"

Автор: Grafiati

Опубліковано: 10 січня 2023

Оновлено: 31 липня 2025

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Статті в журналах з теми "Locomotor oxygenation"

Medeiros, Wladimir M., Mari C. T. Fernandes, Diogo P. Azevedo, et al. "Oxygen delivery-utilization mismatch in contracting locomotor muscle in COPD: peripheral factors." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 308, no. 2 (2015): R105—R111. http://dx.doi.org/10.1152/ajpregu.00404.2014.

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Central cardiorespiratory and gas exchange limitations imposed by chronic obstructive pulmonary disease (COPD) impair ambulatory skeletal muscle oxygenation during whole body exercise. This investigation tested the hypothesis that peripheral factors per se contribute to impaired contracting lower limb muscle oxygenation in COPD patients. Submaximal neuromuscular electrical stimulation (NMES; 30, 40, and 50 mA at 50 Hz) of the quadriceps femoris was employed to evaluate contracting skeletal muscle oxygenation while minimizing the influence of COPD-related central cardiorespiratory constraints.

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LEGRAND, RENAUD, ALEXANDRE MARLES, FABRICE PRIEUR, STEFANO LAZZARI, NICOLAS BLONDEL, and PATRICK MUCCI. "Related Trends in Locomotor and Respiratory Muscle Oxygenation during Exercise." Medicine & Science in Sports & Exercise 39, no. 1 (2007): 91–100. http://dx.doi.org/10.1249/01.mss.0000241638.90348.67.

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Borghi-Silva, Audrey, Cláudia Carrascosa, Cristino Carneiro Oliveira, et al. "Effects of respiratory muscle unloading on leg muscle oxygenation and blood volume during high-intensity exercise in chronic heart failure." American Journal of Physiology-Heart and Circulatory Physiology 294, no. 6 (2008): H2465—H2472. http://dx.doi.org/10.1152/ajpheart.91520.2007.

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Blood flow requirements of the respiratory muscles (RM) increase markedly during exercise in chronic heart failure (CHF). We reasoned that if the RM could subtract a fraction of the limited cardiac output (QT) from the peripheral muscles, RM unloading would improve locomotor muscle perfusion. Nine patients with CHF (left ventricle ejection fraction = 26 ± 7%) undertook constant-work rate tests (70-80% peak) receiving proportional assisted ventilation (PAV) or sham ventilation. Relative changes (Δ%) in deoxy-hemoglobyn, oxi-Hb ([O2Hb]), tissue oxygenation index, and total Hb ([HbTOT], an index

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Forgue, J., A. Legeay, and J. C. Massabuau. "Is the resting rate of oxygen consumption of locomotor muscles in crustaceans limited by the low blood oxygenation strategy?" Journal of Experimental Biology 204, no. 5 (2001): 933–40. http://dx.doi.org/10.1242/jeb.204.5.933.

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Numerous water-breathers exhibit a gas-exchange regulation strategy that maintains O(2) partial pressure, P(O2), in the arterial blood within the range 1–3 kPa at rest during the daytime. In a night-active crustacean, we examined whether this could limit the rate of O(2)consumption (M(O2)) of locomotor muscles and/or the whole body as part of a coordinated response to energy conservation. In the crayfish Astacus leptodactylus, we compared the in vitro relationship between the M(O2) of locomotor muscles as a function of the extracellular P(O2) and P(CO2) and in vivo circadian changes in blood g

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Tong, Tom K., Hua Lin, Alison McConnell, Roger Eston, Jun Zheng, and Jinlei Nie. "Respiratory and locomotor muscle blood-volume and oxygenation kinetics during intense intermittent exercise." European Journal of Sport Science 12, no. 4 (2012): 321–30. http://dx.doi.org/10.1080/17461391.2011.566364.

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Brkic, Predrag, Mirjana Stojiljkovic, Tomislav Jovanovic, et al. "Hyperbaric oxygenation improves locomotor ability by enhancing neuroplastic responses after cortical ablation in rats." Brain Injury 26, no. 10 (2012): 1273–84. http://dx.doi.org/10.3109/02699052.2012.667593.

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Hirai, Daniel M., Joshua H. Jones, Joel T. Zelt, et al. "Oral N-acetylcysteine and exercise tolerance in mild chronic obstructive pulmonary disease." Journal of Applied Physiology 122, no. 5 (2017): 1351–61. http://dx.doi.org/10.1152/japplphysiol.00990.2016.

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Heightened oxidative stress is implicated in the progressive impairment of skeletal muscle vascular and mitochondrial function in chronic obstructive pulmonary disease (COPD). Whether accumulation of reactive oxygen species contributes to exercise intolerance in the early stages of COPD is unknown. The purpose of the present study was to determine the effects of oral antioxidant treatment with N-acetylcysteine (NAC) on respiratory, cardiovascular, and locomotor muscle function and exercise tolerance in patients with mild COPD. Thirteen patients [forced expiratory volume in 1 s (FEV1)-to-forced

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Hirai, Daniel M., Joel T. Zelt, Joshua H. Jones, et al. "Dietary nitrate supplementation and exercise tolerance in patients with heart failure with reduced ejection fraction." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 312, no. 1 (2017): R13—R22. http://dx.doi.org/10.1152/ajpregu.00263.2016.

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Endothelial dysfunction and reduced nitric oxide (NO) signaling are key abnormalities leading to skeletal muscle oxygen delivery-utilization mismatch and poor physical capacity in patients with heart failure with reduced ejection fraction (HFrEF). Oral inorganic nitrate supplementation provides an exogenous source of NO that may enhance locomotor muscle function and oxygenation with consequent improvement in exercise tolerance in HFrEF. Thirteen patients (left ventricular ejection fraction ≤40%) were enrolled in a double-blind, randomized crossover study to receive concentrated nitrate-rich (n

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Amann, Markus, Marlowe W. Eldridge, Andrew T. Lovering, Michael K. Stickland, David F. Pegelow, and Jerome A. Dempsey. "Arterial oxygenation influences central motor output and exercise performance via effects on peripheral locomotor muscle fatigue in humans." Journal of Physiology 575, no. 3 (2006): 937–52. http://dx.doi.org/10.1113/jphysiol.2006.113936.

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Boone, Jan, Kristof Vandekerckhove, Ilse Coomans, Fabrice Prieur, and Jan G. Bourgois. "An integrated view on the oxygenation responses to incremental exercise at the brain, the locomotor and respiratory muscles." European Journal of Applied Physiology 116, no. 11-12 (2016): 2085–102. http://dx.doi.org/10.1007/s00421-016-3468-x.

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Більше джерел

Дисертації з теми "Locomotor oxygenation"

Rodriguez-Anderson, Ramón F. "The Influence of Respiratory Muscle Work on Locomotor and Respiratory Muscle Oxygenation Trends in Repeated-Sprint Exercise." Thesis, 2018. https://vuir.vu.edu.au/37831/.

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This thesis investigated the role respiratory muscle work has on locomotor and respiratory muscle oxygen (O2) utilisation during multiple sprint work. To measure O2 delivery and uptake in real time, near-infrared spectroscopy (NIRS) can be used. However, there are inconsistent methods of smoothing and determining peaks and nadirs from the NIRS signal. Therefore, the aim of study 1 was to examine the effects of different methodologies commonly used in the literature on the determination of peaks and nadirs in the vastus lateralis deoxyhaemoglobin (HHbVL) signal. Means derived from predetermined

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Частини книг з теми "Locomotor oxygenation"

F. Rodriguez, Ramón, Robert J. Aughey, and François Billaut. "The Respiratory System during Intermittent-Sprint Work: Respiratory Muscle Work and the Critical Distribution of Oxygen." In Respiratory Physiology. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.91207.

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In healthy individuals at rest and while performing moderate-intensity exercise, systemic blood flow is distributed to tissues relative to their metabolic oxygen demands. During sustained high-intensity exercise, competition for oxygen delivery arises between locomotor and respiratory muscles, and the heightened metabolic work of breathing, therefore, contributes to limited skeletal muscle oxygenation and contractility. Intriguingly, this does not appear to be the case for intermittent-sprint work. This chapter presents new evidence, based on inspiratory muscle mechanical loading and hypoxic g

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Тези доповідей конференцій з теми "Locomotor oxygenation"

Oueslati, Ferid, Didier Saey, Eric Nadreau, Mickael Martin, and Francois Maltais. "Acute effects of normocapnic hyperpnoea exercise on intercostal and locomotor muscle oxygenation in COPD." In ERS International Congress 2018 abstracts. European Respiratory Society, 2018. http://dx.doi.org/10.1183/13993003.congress-2018.oa2148.

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Rossi Caruso, Flavia Cristina, Bruno Archiza, Daniela Kuguimoto Andaku Olenscki, et al. "The effects of inspiratory resistive loading on respiratory and locomotors muscle oxygenation during high intensity exercise in female soccer players." In ERS International Congress 2016 abstracts. European Respiratory Society, 2016. http://dx.doi.org/10.1183/13993003.congress-2016.pa697.

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Watanuki, Keiichi, Kenta Hirayama, and Kazunori Kaede. "Brain Activation Analysis of Voluntary Movement and Passive Movement Using Near-Infrared Spectroscopy." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-71273.

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During neural activity in the brain, humans transmit and process information and decide upon actions or responses. When neural activity occurs, blood flow and blood quantity increase in the tissue near the active neurons, and the ratio of oxygenated to deoxygenated hemoglobin in the blood changes. In this paper, we used near-infrared spectroscopy (NIRS) to determine the state of hemoglobin oxygenation at the cerebral surface and on that basis performed real-time color mapping of brain activity (the brain activation response) in the target regions. In this paper, we describe measurements of bra

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