High altitude pulmonary edema: hemodynamic aspects.

abstract：:Unlike in Europeans and Africans, the relationship between the human guanine nucleotide binding beta polypeptide 3 (GNB3) C825T gene polymorphism (rs5443) and blood pressures is inconsistent in Asians. The aim of the study was to investigate whether the GNB3 genotype demonstrates different associations with resting bl...

journal_title：International journal of sports medicine

authors： Lee JY,Kim SU,Cho JK,Woo SK,Kang HS

更新日期：2009-12-01 00:00:00

abstract：:Patellofemoral joint (PFJ) pain syndrome is a commonly reported form of pain in female runners and military personnel. Increased PFJ stress may be a contributing factor. Few studies have examined PFJ stress running with added load. Our purpose was to analyze PFJ stress, PFJ reaction force, quadriceps force, knee flexi...

journal_title：International journal of sports medicine

authors： Kujawa M,Goerlitz A,Rutherford D,Kernozek TW

更新日期：2020-06-01 00:00:00

abstract：:Hypertension is not uncommon in childhood and adolescence; vascular and renal causes predominate. Non-pharmacologic therapy, including exercise, may lower blood pressure (BP). There are several articles relating to the use of exercise as a therapy for high BP. Most of these show a beneficial effect. The "dose" of exer...

journal_title：International journal of sports medicine

authors： Alpert BS

更新日期：2000-11-01 00:00:00

abstract：:The purpose of this study was to examine whether mental fatigue influences the perceived effort required to complete fairly light and hard effort self-paced exercise challenges. 12 participants completed 2 trials in a randomised cross-over design. Each participant was required to complete a time-matched pre-exercise t...

journal_title：International journal of sports medicine

authors： Brownsberger J,Edwards A,Crowther R,Cottrell D

更新日期：2013-12-01 00:00:00

abstract：:The purpose of this study was to determine whether preferred pedal rate (PPR) could be used as an index of cycling performance. Thirteen competitive cyclists cycled at PPR during a graded test and a supra-threshold constant power test (CPT). The results showed that PPR values reported in CPT were correlated to both pe...

journal_title：International journal of sports medicine

authors： Nesi X,Bosquet L,Pelayo P

更新日期：2005-06-01 00:00:00

abstract：:As of 2017, the international football federation introduced the change of direction ability test (CODA) and the 5×30 m sprint test for assistant referees (ARs) and continued the 6×40 m sprint test for field referees (FRs) as mandatory tests. The aim of this study was to evaluate the association between performance in...

journal_title：International journal of sports medicine

authors： Riiser A,Andersen V,Castagna C,Pettersen SA,Saeterbakken A,Froyd C,Ylvisaker E,Naess Kjosnes T,Fusche Moe V

更新日期：2018-07-01 00:00:00

abstract：:To study the effects of long-term, home-based exercise on physical fitness and cardiovascular risk factors of middle-aged nonsmoking males, a controlled study was conducted in 61 sedentary Swiss men. Thirty-nine men were randomly allocated to jog 2 h/week for 4 months on an individually prescribed and heart-rate-contr...

journal_title：International journal of sports medicine

authors： Suter E,Marti B,Tschopp A,Wanner HU,Wenk C,Gutzwiller F

更新日期：1990-12-01 00:00:00

abstract：:The purpose of this study was to investigate the effects of recombinant human erythropoietin (rHuEPO) administration on energy metabolism during exercise. Specifically, the contribution of anaerobic (glycogen) metabolism during exercise was evaluated. Sprague-Dawley rats were randomly assigned to an experimental [rHuE...

journal_title：International journal of sports medicine

authors： Lavoie C,Diguet A,Milot M,Gareau R

更新日期：1998-05-01 00:00:00

abstract：:Food restriction has a great impact on skeletal muscle mass by inducing muscle protein breakdown to provide substrates for energy production through gluconeogenesis. Genetic models of hyper-muscularity interfere with the normal balance between protein synthesis and breakdown which eventually results in extreme muscle ...

journal_title：International journal of sports medicine

authors： Matsakas A,Romanello V,Sartori R,Masiero E,Macharia R,Otto A,Elashry M,Sandri M,Patel K

更新日期：2013-03-01 00:00:00

abstract：:To determine the effects of aerobic fitness on pregnancy and the newborn, 20 primigravid subjects were studied throughout gestation and immediately postpartum. The subjects were classified as trained (T = 10) or untrained (UT = 10) based on the heart rate response to submaximal cycle ergometry testing done in each tri...

journal_title：International journal of sports medicine

authors： Wong SC,McKenzie DC

更新日期：1987-04-01 00:00:00

abstract：:The aim of the present study was to analyze the effects of age on cardiorespiratory fitness (CRF), muscle strength and heart rate (HR) response to exercise adaptation in women in response to a long-term twice-weekly combined aerobic and resistance exercise program. 85 sedentary women, divided into young (YG; n=22, 30....

journal_title：International journal of sports medicine

authors： Ciolac EG,Roberts CK,da Silva JM,Guimarães GV

更新日期：2014-05-01 00:00:00

abstract：:To examine the acute influence of pedaling cadence on arterial stiffness in young men, 15 healthy men (21.8±0.4 years) underwent 3 trials in self-control crossover design: non-cycling control (CON), cycling at 60 (RPM60) and 90 rounds per min (RPM90). Cycling lasted 30 min at intensity of 35% heart rate reserve. Arter...

journal_title：International journal of sports medicine

authors： Yin J,Wu H,Yu L,Zhang J,Zhu W

更新日期：2019-01-01 00:00:00

abstract：:The present study was designed to investigate the neuronal control and biomechanical effects of stumbling reactions. To induce these perturbations, a specially prepared treadmill was used which allowed rapid and powerful changes of treadmill speed. EMG recordings of leg muscles were related to cinematic movement patte...

journal_title：International journal of sports medicine

authors： Gollhofer A,Schmidtbleicher D,Quintern J,Dietz V

更新日期：1986-12-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of using different mathematical models to describe the relationship between treadmill running speed and time to exhaustion. All models generated a value for an aerobic parameter (critical speed; S (critical)). 35 university students performed 5-7 constant-speed 0%-s...

journal_title：International journal of sports medicine

authors： Hill DW,Vingren JL,Nakamura FY,Kokobun E

更新日期：2011-07-01 00:00:00

abstract：:This study was undertaken to determine which of the two commonly used field tests, the 20-meter shuttle run test (20-MST) or the University of Montreal track test (UM-TT), provides the most accurate assessment of maximal and functional aerobic capacity in moderately trained athletes. Eleven male subjects aged from 18 ...

journal_title：International journal of sports medicine

authors： Ahmaidi S,Collomp K,Caillaud C,Préfaut C

更新日期：1992-04-01 00:00:00

abstract：:The purpose of this study was to evaluate the accuracy and the repeatability of a new running computer system (RS800sd, Polar, Kempele, Finland) which included the measurement of running speed (RS) and stride rate (SR). Eight well-trained triathletes participated in this study. First, they completed an incremental con...

journal_title：International journal of sports medicine

authors： Hausswirth C,Le Meur Y,Couturier A,Bernard T,Brisswalter J

更新日期：2009-05-01 00:00:00

abstract：:During the world junior speed skating championship 2002 all athletes (60 males, 56 females) were subjected to hematologic blood testing one day before the competition as requested by International Skating Union--ISU. This study aimed to obtain hematological reference values for junior athletes, whilst the influence of...

journal_title：International journal of sports medicine

authors： Mayr A,Kuipers H,Falk M,Santer P,Wierer B

更新日期：2006-04-01 00:00:00

abstract：:Brain 5-HT neurotransmission has been described to be down-regulated in depressed people, and also suspected to be changed in overtraining state, the consequence of long-term physical overloading and stress in athletes. We studied brain serotonin (5-HT) transporter binding i.e., 5-HT reuptake with the specific radioli...

journal_title：International journal of sports medicine

authors： Uusitalo AL,Vanninen E,Valkonen-Korhonen M,Kuikka JT

更新日期：2006-09-01 00:00:00

abstract：:A prospective study of acute injuries from sports and physical exercise was carried out during 1 year in a total population of a municipality with 31,620 inhabitants. Data on exposure were collected: the number of participants in each sport, the hours of participation, and number of weeks in the season per year. The n...

journal_title：International journal of sports medicine

authors： de Loës M,Goldie I

更新日期：1988-12-01 00:00:00

abstract：:The purpose of this investigation was to determine the time course and magnitude of learning effects associated with repeated maximum cycling power tests and to determine if cycle-trained men exhibit different learning effects than active men who are not cycle-trained. Cycle-trained (N = 13) and active men (N = 35) pe...

journal_title：International journal of sports medicine

authors： Martin JC,Diedrich D,Coyle EF

更新日期：2000-10-01 00:00:00

abstract：:Ten young male adults (mean age 46.9 +/- 1.2 yrs) with 9.2 +/- 1.4 years of weight training experience and the ability to parallel squat at least 1.5 times their body mass were selected as subjects. The exercise session consisted of sets of 10 repetitions at 65% 1-RM of the parallel leg squat, with a cadence of one re...

journal_title：International journal of sports medicine

authors： Nieman DC,Henson DA,Sampson CS,Herring JL,Suttles J,Conley M,Stone MH,Butterworth DE,Davis JM

更新日期：1995-07-01 00:00:00

abstract：:The purpose of this study was to analyse adaptations in propulsion technique and gross efficiency in novice able-bodied subjects during the initial phase of learning hand-rim wheelchair propulsion to music. 22 able bodied participants performed wheelchair propulsion (1.1 m·s(-1)) followed by a VO(2) peak test on a whe...

journal_title：International journal of sports medicine

authors： Goosey-Tolfrey VL,West M,Lenton JP,Tolfrey K

更新日期：2011-02-01 00:00:00

abstract：:Gait retraining is a method for management of patellofemoral pain, which is a common ailment among recreational runners. The present study investigated the effects of gait retraining from rearfoot strike to forefoot strike on running economy, heart rate, and respiratory exchange ratio immediately post-retraining and o...

journal_title：International journal of sports medicine

authors： Roper JL,Doerfler D,Kravitz L,Dufek JS,Mermier C

更新日期：2017-12-01 00:00:00

abstract：:The aim of this study was to compare the effects of aerobic and mental training on cognitive function and to determine if the association of the two techniques shows better results. Thirty-two healthy elderly subjects (60 - 76 years) were assigned to one of four groups: aerobic training, mental training, combined aero...

journal_title：International journal of sports medicine

authors： Fabre C,Chamari K,Mucci P,Massé-Biron J,Préfaut C

更新日期：2002-08-01 00:00:00

abstract：:The broad spectrum of skills in sport, with their high demands on strength, speed, endurance, coordination, and flexibility, represents one of the greatest challenges to human motor performances. However, the basic neurophysiological mechanisms in sport are not principally different from those in everyday motor acts. ...

journal_title：International journal of sports medicine

authors： Henatsch HD,Langer HH

更新日期：1985-02-01 00:00:00

abstract：:To determine the effects of widely varying amounts of cushioning upon vertical force (VF) parameters, ten male subjects, (mean weight = 68.0 kg) ran at a speed of 4.5 m . s-1 (6 min/mile pace) and contacted a Kistler force platform. Two shoes were tested: a hard one and a softer shoe that had 50% more cushioning as me...

journal_title：International journal of sports medicine

authors： Clarke TE,Frederick EC,Cooper LB

更新日期：1983-11-01 00:00:00

abstract：:In young elite athletes the influence of a sensorimotor training (SMT = balance training) on strength, jump height and spinal reflex excitability was compared with adaptations induced by strength training (ST). Seventeen athletes were randomly assigned to either a SMT or a ST group. Before and after 6 weeks of trainin...

journal_title：International journal of sports medicine

authors： Taube W,Kullmann N,Leukel C,Kurz O,Amtage F,Gollhofer A

更新日期：2007-12-01 00:00:00

abstract：:To assess the effect of dietary manipulation on gross efficiency (GE), 15 trained male cyclists completed 3×2 h tests at submaximal exercise intensity (60% Maximal Minute Power). Using a randomized, crossover design participants consumed an isoenergetic diet (~4 000 kcal.day-1) in the 3 days preceding each test, that ...

journal_title：International journal of sports medicine

authors： Cole M,Coleman D,Hopker J,Wiles J

更新日期：2014-03-01 00:00:00

abstract：:In 1988 Segura and Ventura (14) reported that 1.2 g of L-Tryptophan (L-TRY) supplementation increased total exercise time by 49.4% when the subjects were running at 80% of maximal oxygen uptake (VO2max). In human performance research, acute improvements of that category are rather uncommon. Both for this reason and be...

journal_title：International journal of sports medicine

authors： Stensrud T,Ingjer F,Holm H,Strømme SB

更新日期：1992-08-01 00:00:00

abstract：:Physical exercise is associated with increases of serum and salivary levels of cortisol. The concomitant increase in serum lactate has been implicated as one of the mechanisms responsible for adrenocortical activation. We evaluated the responses of serum lactate and serum and salivary cortisol to an acute bout of high...

journal_title：International journal of sports medicine

authors： Paccotti P,Minetto M,Terzolo M,Ventura M,Ganzit GP,Borrione P,Termine A,Angeli A

更新日期：2005-11-01 00:00:00