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Nieminen T - - 2008
We tested the hypothesis that the change from the peak to recovery values of systolic arterial pressure (SAP recovery) and rate-pressure product (RPP recovery) can be used to predict all-cause and cardiovascular mortality, as well as sudden cardiac death (SCD) in patients referred to a clinical exercise stress test. As ...
Nagaraj Hosakote M - - 2008
PURPOSE: To study the changes in limb blood flow during lower extremity exercise using phase contrast (PC) MRI in normal volunteers. MATERIALS AND METHODS: Healthy volunteers performed plantar flexion exercise (<1 W) for four minutes. Flow velocity was measured using cardiac-gated, cine PC-MRI sequences (fast gradient recalled echo [GRE]; multishot ...
Castagna Carlo - - 2008
The aim of this study was to examine the effect of recovery mode on repeated sprint ability in young basketball players. Sixteen basketball players (age, 16.8 +/- 1.2 years; height, 181.3 +/- 5.7 cm; body mass, 73 +/- 10 kg; VO2max, 59.5 +/- 7.9 mL x kg(-1) x min(-1)) performed ...
Spencer Matt - - 2008
This study investigated the effects of a moderate (MI) and a low intensity (LI) active recovery (both compared to a passive recovery) on repeated-sprint performance and muscle metabolism. Nine, male, subjects performed three repeated-sprint cycle tests (6 x 4 s sprints, every 25 s) in a semi-randomized, counter-balanced order. Recovery ...
Kopf, Victoria
The Pacific spiny dogfish (Squalus acanthias) is one species of elasmobranch which has demonstrated increased reliance on monocarboxylates as metabolic fuels. This study examined the use of the monocarboxylates β-hydroxybutyrate (β-HB, a ketone body) and lactate (La-) in juvenile Pacific spiny dogfish during exhaustive exercise and recovery using in-vivo tracer ...
Nunney Robert - - 2008
While working on my first placement in the operating department recovery room, I was surprised by the frequency of patients coming into recovery with mild hypothermia, having taken their temperature on arrival. In many cases the patient did not arrive with a forced-air warming blanket, or any device other than ...
Malkova D - - 2008
Responses of plasma total ghrelin and appetite were investigated during preprandial and postprandial stages of recovery from a moderate-intensity cycling session. Healthy recreationally active men underwent one exercise and one control trial. In the exercise trial, subjects exercised for approximately 60 minutes, while in the control trial they rested quietly ...
Ogata Hisayoshi - - 2008
The aim of the present study was to determine whether oxygen supply to non-exercised muscle during recovery following fatiguing exercise is influenced by accumulated metabolites within exercised muscle. Twelve healthy male subjects performed 2-min isometric handgrip exercise at 40% maximal voluntary contraction with their right hand and the exercise was ...
Stewart Riley D - - 2008
PURPOSE: To investigate the effects of three consecutive days of prolonged exercise on muscle mechanical function, 12 volunteers (.VO(2peak) = 44.8 +/- 2.0 mL.kg(-1).min(-1), mean +/- SE) cycled at approximately 60% .VO(2peak) until fatigue. METHODS: Quadriceps muscle function was assessed before and after exercise on day 1 (E1) and day ...
Dewey Frederick E - - 2008
BACKGROUND: Although exercise-associated ventricular arrhythmias are frequently observed during exercise testing, their prognostic significance remains uncertain. Therefore, we aimed to evaluate the clinical correlates and prognostic significance of exercise-associated premature ventricular complexes (PVCs) during and after exercise testing. METHODS: We studied 1847 heart failure-free patients who underwent clinical treadmill testing ...
Tiburcio Nelson Jose - - 2008
Ex-offenders experience various difficulties in successfully reentering communities post-incarceration. For those with a history of opioid misuse, despite various interventions, long-term recovery rates are relatively low. Additionally, the difficulties ex-offenders experience reintegrating with their families and communities are further compounded by the stigma and structural barriers posed by prior criminal ...
Gustafsson Klas - - 2008
To date, the understanding of how recovery from work relates to cortisol output is poor. Considering this, the present study set out to investigate the associations between self-ratings of 15 items of rest and recovery and salivary cortisol sampled every second hour across two working days. Data came from 12 ...
Banfi Giuseppe - - 2008
The principal source of increased turnover of erythrocytes in athletes is sport hemolysis, the intravascular hemolysis that characteristically occurs with athletic performance in sport. The use of the parameter mean sphered cell volume (MSCV), automatically measured by means of the Coulter LH750, could be useful for diagnosing the presence of ...
Chiappa Gaspar R - - 2008
PURPOSE: It has long been suggested that inspiratory muscle activity may impact blood lactate levels ([Lac(-)]B) during the recovery from dynamic exercise. In this study, we tested the hypothesis that inspiratory muscle activation during recovery from intense exercise would contribute to La clearance, thus leading to reduced [Lac(-)]B. METHODS: Twelve ...
Fell James - - 2008
Recovery from exercise is integral to the physical training process. There is a perception among older athletes that aging negatively affects the recovery process. Plausible arguments for an impaired recovery with aging are a greater susceptibility of older muscle to exercise-induced skeletal-muscle damage and a slower repair and adaptation response. ...
Kabitz Hans-Joachim - - 2008
Exercise-induced diaphragmatic fatigue (DF) is conventionally considered to reflect impaired diaphragm function resulting from load imposed on the diaphragm during exercise and is known to be reduced by the application of non-invasive ventilation (NIV) during heavy-intensity exercise testing (HEET). On that physiological condition NIV applied for diaphragm unloading during recovery ...
Miranda Rita - - 2008
Left ventricular outflow tract obstruction is an independent predictor of adverse outcome in hypertrophic cardiomyopathy (HCM). The classical quantification of intraventricular obstruction is performed in resting conditions in supine position, but this assessment does not reflect what happens in HCM patients (pts) in their daily activities, neither during effort nor ...
Matsunaga Satoshi - - 2008
The hypothesis tested in this study was that the extent to which sarcoplasmic reticulum (SR) Ca(2+)-ATPase is oxidized would correlate with a decline in its activity. For this purpose, changes in the SR Ca(2+)-sequestering ability and the contents of carbonyl and sulfhydryl groups during recovery after exercise were examined in ...
Tekin Göknur - - 2008
PURPOSE: Polycystic ovary syndrome (PCOS) is frequently accompanied by the presence of cardiovascular risk factors. It has also been recognized that there is a significant relationship between the autonomic nervous system and adverse cardiac events. Heart rate recovery (HRR) after exercise is a marker of parasympathetic activity and attenuation of ...
Ghosh Arnab - - 2007
The present cross-sectional study was undertaken among the 100 adult (> or = 18 years), apparently healthy Asian Indian men to study post exercise systolic and diastolic recovery and effect of age, body mass index (BMI), physical fitness, respiratory rate (RR) and peak expiratory flow rate (PEFR) on these recoveries. ...
Vaile J - - 2008
The present study investigated the effects of three hydrotherapy interventions on next day performance recovery following strenuous training. Twelve cyclists completed four experimental trials differing only in 14-min recovery intervention: cold water immersion (CWI), hot water immersion (HWI), contrast water therapy (CWT), or passive recovery (PAS). Each trial comprised five ...
Kabitz Hans-Joachim - - 2008
Exercise-induced diaphragmatic fatigue (DF) manifests after - rather than during - exercise. This suggests that DF reflects post-exercise diaphragm-shielding. This study tested the physiological hypothesis that diaphragmatic force-generation undergoes similar regulations during either whole-body-exercise or controlled hyperventilation, but differs during recovery. Ten trained subjects (VO2(max) 60.3+/-6.4 ml/kg/min) performed: I, cycling ...
Siegler J C - - 2008
The aim of this study was to observe the influence of pre-exercise sodium bicarbonate (NaHCO3) ingestion and varying recovery modes on acid-base recovery from a single bout of supramaximal exercise. Nine male subjects completed four separate, randomized cycle ergometer exercise trials to volitional fatigue at 120% maximum power output, under ...
Hancock Thomas V - - 2008
The excess postexercise oxygen consumption (EPOC), a measure of recovery costs, is known to be large in ectothermic vertebrates such as the desert iguana (Dipsosaurus dorsalis), especially after vigorous activity. To analyze the cause of these large recovery costs in a terrestrial ectotherm, Dipsosaurus were run for 15 s at ...
Vaile Joanna - - 2008
This study independently examined the effects of three hydrotherapy interventions on the physiological and functional symptoms of delayed onset muscle soreness (DOMS). Strength trained males (n = 38) completed two experimental trials separated by 8 months in a randomised crossover design; one trial involved passive recovery (PAS, control), the other ...
Martinmäki Kaisu - - 2008
Previous studies have neglected the first recovery minutes after exercise when studying post-exercise heart rate variability (HRV). The present aim was to evaluate autonomic HR control immediately after exercise using Short-time Fourier transform (STFT) and to compare the effects of low [LI, 29(6)% of maximal power] and high [HI, 61(6)% ...
Kaikkonen Piia - - 2007
Since heart rate variability (HRV) during the first minutes of the recovery after exercise has barely been studied, we wanted to find out HRV dynamics immediately after five different constant-speed exercises. Thirteen sedentary women performed two low-intensity (3,500 m [3,500(LI)] and 7,000 m [7,000(LI)] at 50% of the velocity of ...
Henderson Gregory C - - 2007
We sought to determine whether lipolysis, fatty acid (FA) mobilization, and plasma FA oxidation would remain elevated for hours following isoenergetic exercise bouts of different intensities. Ten men and eight women received a primed-continuous infusion of [1,1,2,3,3-(2)H(5)]glycerol and continuous infusion of [1-(13)C]palmitate to measure glycerol and plasma FA kinetics. On ...
Grunovas A - - 2007
AIM: This study analyzed the effect of additional means of recovery (passive foot movements [PFM] and electrical stimulation [ES]), on peripheral and systemic circulation. METHODS: The subjects were 16 endurance athletes. A period of passive rest (PR), ES and PFM were applied in 3 trials during which arterial blood flow ...
Vaile Joanna M - - 2007
This study examined the effect of contrast water therapy (CWT) on the physiological and functional symptoms of delayed onset muscle soreness (DOMS) following DOMS-inducing leg press exercise. Thirteen recreational athletes performed 2 experimental trials separated by 6 weeks in a randomized crossover design. On each occasion, subjects performed a DOMS-inducing ...
Seiler Stephen - - 2007
PURPOSE: To investigate the effects of training intensity and duration, through a range representative of training in endurance athletes, on acute recovery of autonomic nervous system (ANS) balance after exercise. METHODS: Nine highly trained (HT) male runners (VO2max 72 +/- 5 mL.kg.min(-1), 14 +/- 3 training hours per week) and ...
Journeay W Shane - - 2007
PURPOSE: We evaluated the hypothesis that during recovery from dynamic exercise in the 15 degrees head-down tilt (HDT) position, the attenuation of the fall in mean arterial pressure (MAP), cutaneous vascular conductance (CVC), and sweat rate, and the augmentation of the rate of esophageal temperature (T(es)) decay relative to the ...
Zheng Hong - - 2007
BACKGROUND/PURPOSE: For microdialysis studies in the skin, laboratory-made linear probes are often used. The application of the microdialysis technique to the investigation of pharmacokinetics and pharmacodynamics of drugs requires careful assessment of the linear probes' performance to ensure validity of the data obtained using this technique. The aim of this ...
Barker Ruth N - - 2007
PURPOSE: To identify factors which contribute to upper limb recovery, from the perspective of stroke survivors. METHOD: A retrospective cross-sectional survey was administered by post to 220 stroke survivors with upper limb impairment who were more than 3 months post-stroke. The content and language for the questionnaire were drawn from ...
Matsuura Ryouta - - 2007
The purpose of this study was to determine the effect of oral administration of sodium bicarbonate (NaHCO3) on surface electromyogram (SEMG) activity from the vastus lateralis (VL) during repeated cycling sprints (RCS). Subjects performed two RCS tests (ten 10-s sprints) interspersed with both 30-s and 360-s recovery periods 1 h ...
Cheerambathur Dhanya K - - 2007
Anaphase B in Drosophila embryos is initiated by the inhibition of microtubule (MT) depolymerization at spindle poles, which allows outwardly sliding interpolar (ip) MTs to drive pole-pole separation. Using fluorescence recovery after photobleaching, we observed that MTs throughout the preanaphase B spindle are very dynamic and display complete recovery of ...
Dhonneur G - - 2007
BACKGROUND: Because the intensity of neuromuscular block at the diaphragm (DIA) is indirectly assessed, the electromyographic measurements of the DIA (DIA(EMG)) from surface electrodes were related to information provided by visual estimation of neuromuscular transmission at the adductor pollicis (AP) and the corrugator supercilii (CSC) during recovery from vecuronium block. ...
Zochowski Thomas - - 2007
CONTEXT: Warm-up before athletic competition might enhance performance by affecting various physiological parameters. There are few quantitative data available on physiological responses to the warm-up, and the data that have been reported are inconclusive. Similarly, it has been suggested that varying the recovery period after a standardized warm-up might affect ...
Hanson Mark L - - 2007
The influence of relative isolation on the ecological recovery of freshwater outdoor mesocosm communities after an acute toxic stress was assessed in a 14-month-long study. A single concentration of deltamethrin was applied to 8 out of 16 outdoor 9-m3 mesocosms to create a rapid decrease of the abundance of arthropods. ...
Myers Jonathan - - 2007
BACKGROUND: Heart rate recovery (HRR) is a marker of vagal tone that is associated with survival, but little is known about the effects of exercise training on HRR in patients with heart failure (HF). METHODS: Twenty-four patients with HF were randomized to a 2-month residential rehabilitation program or to usual ...
Billaut François - - 2007
We examined the effect of recovery pattern on mechanical and neuromuscular responses in active men during three repeated-sprint ability tests consisting of ten 6-s cycling sprints. Within each test, the recovery duration was manipulated: constant, increasing, and decreasing recovery pattern. Maximal voluntary contractions of the knee extensors were performed before ...
Perret Claudio - - 2007
To investigate the impact of low-intensity isocapnic hyperpnoea (IH) on blood lactate disappearance after exhaustive arm exercise in comparison with passive and active recovery using the previously loaded muscle group. Randomised, crossover trial. Institute for Sports Medicine. 18 healthy non-smoking and physically active male subjects. Subjects performed three arm cranking ...
Arena Ross - - 2007
INTRODUCTION: Heart rate recovery (HRR) has become an important diagnostic and prognostic marker in recent years. Subjects with hereditary hemochromatosis (HH) demonstrate arterial wall changes that reduce compliance. Arterial compliance may influence HRR by altering baroreceptor discharge. The purpose of the present study is to examine differences in HRR between ...
Skoric D - - 2007
The aim of this study was to compare (a) two different umbilical cord blood (UCB) collection methods while the placenta is still in the uterus (in utero), and (b) to evaluate the efficacy of four cryopreservation protocols based on UCB haematopoiestic stem cell (HSC) recovery. We analysed UCB samples collected ...
Myers Jonathan - - 2007
BACKGROUND: Both an impaired capacity to increase heart rate during exercise testing (chronotropic incompetence), and a slowed rate of recovery following exercise (heart rate recovery) have been shown to be associated with all-cause mortality. It is, however, unknown which of these responses more powerfully predicts risk, and few data are ...
Hamlin Michael J - - 2007
The aim of this study was to compare the effectiveness of two recovery techniques on blood lactate and repeated sprint performance. In a randomised cross-over design 20 junior representative rugby players (aged 19+/-1 years) were given either contrast temperature water therapy or active recovery after performing a repeated sprint test. ...
Glodzik-Sobanska L - - 2007
BACKGROUND AND PURPOSE: Functional imaging studies suggest that poststroke recovery is related to the reorganization in both contralesional and ipsilesional prefrontal cortex. Little is known, however, about how longitudinal metabolic changes in prefrontal regions relate to the improvement after stroke. We sought to determine whether poststroke recovery is associated with ...
Matsuura Ryouta - - 2007
The aim of this study was to determine whether a 350-s recovery period allows recovery of peak power output (PPO) to its initial value under the condition of a blood lactate (La) concentration higher than 10 mmol.L-1 during repeated cycling sprints (RCS). RCS (10x10-s cycling sprints) were performed under two ...
Hoffman Jay R - - 2007
The purpose of this study was to examine the effect of low- vs. high-intensity resistance exercise on lipid peroxidation. In addition, the role of muscle oxygenation on plasma malondialdehyde (MDA) concentrations was explored. Eleven experienced resistance trained male athletes (age: 20.8 +/- 1.3 years; weight: 96.2 +/- 14.4 kg; height: ...
Kiefer Jan - - 2007
The aim of the present study was to evaluate possible protective effects of corticosteroids on the inner ear after surgical trauma and to exclude any ototoxicity. A corticosteroid (triamcinolone, Volon A) was topically applied to the inner ear of guinea pigs, either by extracochlear application with permeation and diffusion through ...
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