Results 211 to 220 of about 81,911 (253)
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The lactate and ventilatory thresholds in resistance training
Clinical Physiology and Functional Imaging, 2016SummaryPurposeThis study was designed to identify the lactate threshold (LT) and first ventilatory threshold (VT1) in a graded resistance half‐squat test and determine whether both thresholds are produced at the same workload. A further goal was to compare the visual inspection and algorithm adjustment methods of detecting both thresholds during graded
José Luis, Maté-Muñoz +3 more
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A Comparison of Methods for Estimating the Lactate Threshold
The Journal of Strength and Conditioning Research, 2005The purpose of this study was to examine the accuracy of tests that may be used by distance runners to estimate the lactate threshold. Competitive distance runners/triathletes (N = 27) performed a criterion test that directly measured (blood lactate of 4.0 mmol.L(-1)) the lactate threshold.
James C, McGehee +2 more
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Respiratory Rate Threshold Accurately Estimates the Second Lactate Threshold
International Journal of Sports Medicine, 2018Abstract Purpose The modified Dmax method can accurately determine the second lactate threshold (LT2), which is valuable for predicting aerobic performance and prescribing exercise. The purpose of this study is to determine if the modified Dmax method can accurately find thresholds in VE (VT2), VCO2 (VCO2T), RER (RERT), and RR (RRT) to estimate LT2 ...
David J, Elmer, Marissa, Toney
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Lactate and ventilatory thresholds: disparity in time course of adaptations to training
Journal of Applied Physiology, 1985We tested the hypothesis that the lactate threshold (Tlac) during incremental exercise could be increased significantly during the first 3 wk of endurance training without any concomitant change in the ventilatory threshold (Tvent). Tvent is defined as O2 uptake (VO2) at which ventilatory equivalent for O2 [expired ventilation per VO2 (VE/VO2 ...
G A, Gaesser, D C, Poole
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Validity of a single lactate measure to predict fixed lactate thresholds in athletes
Journal of Sports Sciences, 2016This study aimed to validate the use of a single blood lactate concentration measure taken following a 12 km h-1 running stage (BLC12) to predict and monitor fixed blood lactate concentration (FBLC) thresholds. Three complementary studies were undertaken. Study I: the relationships between BLC12 and the running speeds at FBLC of 3 mmol L-1 (S3mM) and 4
Ibai, Garcia-Tabar +5 more
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Effect of mild dehydration on the lactate threshold in women
Medicine & Science in Sports & Exercise, 2000The purpose of this investigation was to examine the effects of dehydration on the lactate threshold and performance time to exhaustion in women.Seven moderately trained women (age = 23.6 +/- 1.6 yr) performed two graded exercise tests on separate occasions, once in a normally hydrated state (HY) and once in a dehydrated state (DE).
A, Moquin, R S, Mazzeo
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2009
The purpose of this investigation was to identify the intensity of recovery exercise, relevant to endurance event performance, that would result in the most rapid times for half decrease in blood lactate concentration, following 2 minutes of cycling at maximal rates.
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The purpose of this investigation was to identify the intensity of recovery exercise, relevant to endurance event performance, that would result in the most rapid times for half decrease in blood lactate concentration, following 2 minutes of cycling at maximal rates.
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Critical Velocity and Lactate Threshold in Young Swimmers
International Journal of Sports Medicine, 2006The purpose of the present study was to compare the critical swimming velocity (CV) in children, with the lactate threshold (LT) and the velocity corresponding to a blood lactate concentration of 4 mmol x l(-1) (V4). Twenty swimmers (ten females and ten males, mean +/- SD age: 12.9 +/- 1.1 years, body weight: 51.2 +/- 10.0 kg, height: 157.1 +/- 9.7 cm)
A G, Toubekis +2 more
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The concept of lactate threshold. A short review.
The Journal of sports medicine and physical fitness, 1995The anaerobic threshold (AT) is a widely used tool for investigating aerobic performance characteristics in physiological of pathological conditions. The aim of the present paper is to show that, when the lactate concentration in blood [Lab] is constant in time, regardless of its absolute level, the whole body energy sources for muscular work are ...
ANTONUTTO, Guglielmo +1 more
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Comparison of three methods for detection of the lactate threshold
Clinical Physiology and Functional Imaging, 2007SummaryThe lactate threshold (LT) represents the onset of a metabolic acidosis during graded exercise testing (GXT). It is a valuable measurement in clinical exercise testing and correlates well with endurance performance. Our purpose was to compare three LT detection methods, namely, Inspection (work rate at onset of a systematic increase in blood ...
James A, Davis +4 more
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