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In vivo human gastrocnemius architecture with changing joint angle at rest and during graded isometric contraction.
1. Human gastrocnemius medialis architecture was analysed in vivo, by ultrasonography, as a function of joint angle at rest and during voluntary isometric contractions up to the maximum force (MCV).Expand
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Energy cost of running.
Indirect calorimetric measurements were made on two athletes running at different speeds up to 22 km/hr at grades from -20 to +15%; the function was found to be linearly related to speed. Within th...
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Changes in force, cross-sectional area and neural activation during strength training and detraining of the human quadriceps
SummaryFour male subjects aged 23–34 years were studied during 60 days of unilateral strength training and 40 days of detraining. Training was carried out four times a week and consisted of sixExpand
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Muscle oxygenation and pulmonary gas exchange kinetics during cycling exercise on-transitions in humans.
Near-infrared spectroscopy (NIRS) was utilized to gain insights into the kinetics of oxidative metabolism during exercise transitions. Ten untrained young men were tested on a cycle ergometer duringExpand
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Human quadriceps cross-sectional area, torque and neural activation during 6 months strength training.
Quadriceps muscle and fibre cross-sectional areas (CSA), torque and neural activation were studied in seven healthy males during 6 months of weight training on alternate days with six series of eightExpand
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Blood lactate accumulation and muscle deoxygenation during incremental exercise.
Near-infrared spectroscopy (NIRS) could allow insights into controversial issues related to blood lactate concentration ([La](b)) increases at submaximal workloads (). We combined, on fiveExpand
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Morphological adaptations of human skeletal muscle to chronic hypoxia.
Muscle structural changes during typical mountaineering expeditions to the Himalayas were assessed by taking muscle biopsies from 14 mountaineers before and after their sojourn at high altitudeExpand
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Effect of aging on human adductor pollicis muscle function.
The effect of aging on the voluntary and electrically evoked contractile properties of the human adductor pollicis muscle was investigated in 70 healthy male subjects aged 20-91 yr, 10 subjects forExpand
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Fatigue and exhaustion in chronic hypobaric hypoxia: influence of exercising muscle mass.
Exhaustive dynamic exercise with large muscle groups in chronic hypobaric hypoxia may be limited by central (nervous) rather than peripheral (metabolic) fatigue. Six males [32 +/- 4 (SD) yr] at seaExpand
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Phosphocreatine hydrolysis by 31P-NMR at the onset of constant-load exercise in humans.
The kinetics of phosphocreatine (PC) breakdown in human plantar flexors at the onset of constant-load aerobic exercise was determined by high-resolution 31P-nuclear magnetic resonance spectroscopyExpand
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