نتایج جستجو برای: anaerobic threshold
تعداد نتایج: 153211 فیلتر نتایج به سال:
I read your article with interest. However, a sentence under the subheading ‘Cardiopulmonary exercise testing’ in the methods section (‘Two key measurements can be determined from these data, [oxygen uptake at peak exercise and anaerobic threshold], indicating the point at which anaerobic metabolism is inadequate to maintain high energy phosphate production [...]’) does not coincide with the pr...
We assessed the changes in arterial potassium concentration during exercise and recovery in relation to exercise tolerance in patients with impaired exercise tolerance. Sixteen patients with cardiac disease were subjected to a cardiopulmonary exercise test on a cycle ergometer. Arterial potassium and lactate concentrations were measured every minute during and after exercise, and ventilatory th...
BACKGROUND The ventilatory threshold (VT) is usually determined by visual assessment of the point where the rate of elimination of carbon dioxide (VCO(2)) increases nonlinearly with respect to oxygen uptake (VO(2)) (the V-Slope method). We quantified the reliability of VT determination using data from a multicenter study in patients with heart failure. METHODS AND RESULTS The Fix-Heart Failur...
Piergiuseppe Agostoni, MD, PhD; Ugo Corrà, MD; Gaia Cattadori, MD; Fabrizio Veglia, PhD; Elisa Battaia, MD; Rocco La Gioia, MD; Angela B Scardovi, MD; Michele Emdin, MD; Marco Metra, MD; Gianfranco Sinagra, MD; Giuseppe Limongelli, MD, PhD; Rosa Raimondo, MD; Federica Re, MD; Marco Guazzi, MD, PhD; Romualdo Belardinelli, MD; Gianfranco Parati, MD; Damiano Magrì, MD, PhD; Cesare Fiorentini, MD; ...
PURPOSE The purpose of this study was to develop a regression model to estimate the heart rate at the lactate threshold (HRLT) and the heart rate at the ventilatory threshold (HRVT) using the heart rate threshold (HRT), and to test the validity of the regression model. METHODS We performed a graded exercise test with a treadmill in 220 normal individuals (men: 112, women: 108) aged 20-59 year...
The purpose of the study was to assess whether the point of deflection from linearity of heart rate (HRD) could be used as an alternative method to determine the ventilatory threshold (VT) in Indian (Bengali) boys that represents the determination of the anaerobic threshold (AT), and also to standardize an exercise test to be effective in eliciting AT in Indian (Bengali) boys by using HRD. Twen...
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