Exercise training increases the S-Klotho plasma levels in sedentary middle-aged adults: A randomised controlled trial. The FIT-AGEING study.

abstract：:Free radical production increases during exercise and oxidative damage occurs in several tissues. We examined the effects of three different exercise tests on the pattern of change of erythrocyte enzyme antioxidant activities. The tests were a short maximal exercise test, a submaximal prolonged exercise test and a cyc...

journal_title：Journal of sports sciences

authors： Tauler P,Aguiló A,Guix P,Jiménez F,Villa G,Tur JA,Córdova A,Pons A

更新日期：2005-01-01 00:00:00

abstract：:This study investigated psychosocial processes associated with avoidance of health- and morality-based deterrents to performance-enhancing drug (PED) use. In-depth semi-structured interviews were conducted with 64 English male bodybuilders with experience of doping. Resultant data were content analysed deductively usi...

journal_title：Journal of sports sciences

authors： Boardley ID,Grix J,Dewar AJ

更新日期：2014-01-01 00:00:00

abstract：:This paper investigates how tennis players control stroke-induced vibration. Its aim is to characterise how a tennis player deals with entering vibration waves or how he/she has the ability to finely adjust them. A specific experimental procedure was designed, based on simultaneously collecting sets of kinematic, vibr...

journal_title：Journal of sports sciences

authors： Chadefaux D,Rao G,Androuet P,Berton E,Vigouroux L

更新日期：2017-08-01 00:00:00

abstract：:The aim of this study was to determine the effects of positive and negative outcome imagery on golf-putting performance. Players of both high and low ability performed a golf-putting task in three imagery conditions: (a) a positive outcome imagery condition, (b) a negative outcome imagery condition and (c) a no-imager...

journal_title：Journal of sports sciences

authors： Taylor JA,Shaw DF

更新日期：2002-08-01 00:00:00

abstract：:We examined the effects of time of day on a cycling time trial with and without a prolonged warm-up, among cyclists who tended towards being high in "morningness". Eight male cyclists (mean +/- s: age = 24.9 +/- 3.5 years, peak power output = 319 +/- 34 W, chronotype = 39 +/- 6 units) completed a 16.1-km time trial wi...

journal_title：Journal of sports sciences

authors： Atkinson G,Todd C,Reilly T,Waterhouse J

更新日期：2005-03-01 00:00:00

abstract：:The purpose of this study was to examine the changes in the metabolic state of quadriceps femoris muscles using transverse relaxation time (T2), measured by muscle functional magnetic resonance (MR) imaging, after inactive or active recovery exercises with different intensities following high-intensity knee-extension ...

journal_title：Journal of sports sciences

authors： Mukaimoto T,Semba S,Inoue Y,Ohno M

更新日期：2014-01-01 00:00:00

abstract：:A simulated cricket batting innings was developed to replicate the physical demands of scoring a century during One-Day International cricket. The simulated innings requires running-between-the-wickets across six 5-over stages, each of 21 min duration. To validate whether the simulated batting innings is reflective of...

journal_title：Journal of sports sciences

authors： Houghton L,Dawson B,Rubenson J,Tobin M

更新日期：2011-05-01 00:00:00

abstract：:Healthy young male football players who were either fasting (n = 59) or not fasting (n = 36) during the month of Ramadan were studied. Body mass, body composition, and dietary intake were assessed at each time point. Energy intake was relatively stable in the fasting participants, but there was a small decrease of app...

journal_title：Journal of sports sciences

authors： Maughan RJ,Bartagi Z,Dvorak J,Zerguini Y

更新日期：2008-12-01 00:00:00

abstract：:The aim of this study is to examine the prevalence and correlates of adolescents' resistance training (RT) skill competence. Participants were 548 adolescents (14.1 ± 0.5 years) from 16 schools in New South Wales, Australia. RT skills were assessed using the Resistance Training Skills Battery. Demographics, BMI, muscu...

journal_title：Journal of sports sciences

authors： Smith JJ,DeMarco M,Kennedy SG,Kelson M,Barnett LM,Faigenbaum AD,Lubans DR

更新日期：2018-06-01 00:00:00

abstract：:Deci and Ryan's causality orientations theory suggests that there are individual differences in motivational orientation towards initiating and regulating behaviour. They described three causality orientations: autonomy, control and impersonal. The aim of this paper is to describe the development and concurrent validi...

journal_title：Journal of sports sciences

authors： Rose EA,Markland D,Parfitt G

更新日期：2001-06-01 00:00:00

abstract：:The mixture of dihydroxyacetone and pyruvate (DHAP) is an ergogenic aid that enhances muscle glucose extraction during prolonged aerobic exercise. In order to evaluate the effect of DHAP on muscle amino acid extraction during exercise, we measured arterial concentration and muscle exchange of amino acids in 18 untrain...

journal_title：Journal of sports sciences

authors： Stanko RT,Diven WF,Robertson RJ,Spina RJ,Galbreath RW,Reilly JJ Jr,Goss FL

更新日期：1993-02-01 00:00:00

abstract：:This study developed a method to determine whether the distribution of individual player performances can be modelled to explain match outcome in team sports, using Australian Rules football as an example. Player-recorded values (converted to a percentage of team total) in 11 commonly reported performance indicators w...

journal_title：Journal of sports sciences

authors： Robertson S,Gupta R,McIntosh S

更新日期：2016-10-01 00:00:00

abstract：:The International Paralympic Committee (IPC) and individual sports federations have established the need to develop evidence-based systems of classification for athletes with vision impairment (VI) that may differ depending on the visual demands of each sport. As a consequence, research has been conducted that led to ...

journal_title：Journal of sports sciences

authors： Allen PM,Mann DL,van der Linde I,Beukes EW

更新日期：2020-12-15 00:00:00

abstract：:The purpose of this study was to determine the foot strike patterns (FSP), rearfoot position at initial contact (RPic, i.e., No INV/EVE) and foot rotation in children in relation to age. A total of 932 children aged 3 to 16 years participated in this study. A sagittal and frontal-plane video was recorded using a high-...

journal_title：Journal of sports sciences

authors： Latorre Román PÁ,Redondo Balboa F,Párraga Montilla J,Soto Hermoso VM,Consuegra González PJ,García Pinillos F

更新日期：2019-03-01 00:00:00

abstract：:This study aimed to evaluate the autonomic modulation of heart rate in sedentary paraplegics and paraplegic wheelchair basketball players with thoracic spinal cord injury below T6. Seven paraplegic wheelchair basketball players (active paraplegic group), five paraplegics who were not involved in regular exercise (sede...

journal_title：Journal of sports sciences

authors： Zamunér AR,Silva E,Teodori RM,Catai AM,Moreno MA

更新日期：2013-01-01 00:00:00

abstract：:Interval exercise training is increasingly recommended to improve health and fitness; however, it is not known if cardiovascular risk is different from continuous exercise protocols. This systematic review with meta-analyses assessed the effect of a single bout of interval exercise on cardiovascular responses that ind...

journal_title：Journal of sports sciences

authors： Price KJ,Gordon BA,Bird SR,Benson AC

更新日期：2020-05-01 00:00:00

abstract：:The aim of this study was to determine whether endurance training in athletes induces airway inflammation and pulmonary function disorders. Respiratory pattern and function were analysed in ten healthy endurance runners at rest, during sub-maximal exercise, and during the recovery. Inflammatory cells and metabolites (...

journal_title：Journal of sports sciences

authors： Denguezli M,Ben Chiekh I,Ben Saad H,Zaouali-Ajina M,Tabka Z,Abdelkrim Z

更新日期：2008-10-01 00:00:00

abstract：:This study aimed to investigate activation characteristics of the biceps femoris long head (BFlh) and semitendinosus (ST) muscles during the acceleration and maximum-speed phases of sprinting. Lower-extremity kinematics and electromyographic (EMG) activities of the BFlh and ST muscles were examined during the accelera...

journal_title：Journal of sports sciences

authors： Higashihara A,Nagano Y,Ono T,Fukubayashi T

更新日期：2018-06-01 00:00:00

abstract：:In this study, we examined the effects of augmented kinematic knowledge of performance (KP) on shooting performance and learning. Knowledge of performance described the aiming trajectory of the rifle barrel. The effects of knowledge of performance were evaluated in terms of shooting accuracy (shooting score), variabil...

journal_title：Journal of sports sciences

authors： Mononen K,Viitasalo JT,Konttinen N,Era P

更新日期：2003-10-01 00:00:00

abstract：:In the present study, we examined the influence of shoe lacing on foot biomechanics in running. Twenty experienced rearfoot runners ran in six different lacing conditions across a force platform at a speed of 3.3 m . s(-1). Foot pronation during contact, tibial acceleration, and plantar pressure distribution of the ri...

journal_title：Journal of sports sciences

authors： Hagen M,Hennig EM

更新日期：2009-02-01 00:00:00

abstract：:The relative age effect (RAE) has been highlighted extensively within literature as influencing selection and identification within sports. However, this initial bias appears to not be systemic in some talent development systems. Accordingly, we report an investigation into the initial identification, selection and co...

journal_title：Journal of sports sciences

authors： McCarthy N,Collins D,Court D

更新日期：2016-08-01 00:00:00

abstract：:The study examined the "micro-structure" of football practice and the "macro-structure" of participation history of female professional football players. Participants were 29 German 1st league (Bundesliga) players, 14 of whom played on the senior national team (Olympic Champion in 2016). A questionnaire recorded the p...

journal_title：Journal of sports sciences

authors： Güllich A

更新日期：2019-06-01 00:00:00

abstract：:The aim of present study was to examine the relationships between serum and salivary values of free testosterone, dehydroepiandrosterone, and cortisol before and after a session of resistance exercise. Twenty-eight healthy men (mean age 40 years, s = 4) participated in the present study. Serum and salivary samples wer...

journal_title：Journal of sports sciences

authors： Cadore E,Lhullier F,Brentano M,Silva E,Ambrosini M,Spinelli R,Silva R,Kruel L

更新日期：2008-08-01 00:00:00

abstract：:The aims of the present study were to assess the maximal oxygen uptake and body composition of adult Chinese men and women, and to determine how these variables relate to age. The cross-sectional sample consisted of 196 men and 221 women aged 20 - 64 years. Maximal oxygen uptake (VO2max) was determined by indirect cal...

journal_title：Journal of sports sciences

authors： Wong SY,Chan FW,Lee CK,Li M,Yeung F,Lum CC,Choy DT,Woo J

更新日期：2008-02-01 00:00:00

abstract：:An important goal of the athlete's everyday diet is to provide the muscle with substrates to fuel the training programme that will achieve optimal adaptation for performance enhancements. In reviewing the scientific literature on post-exercise glycogen storage since 1991, the following guidelines for the training diet...

journal_title：Journal of sports sciences

authors： Burke LM,Kiens B,Ivy JL

更新日期：2004-01-01 00:00:00

abstract：:The aim of this study was to examine acute physiological responses and time-motion characteristics associated with three different small-sided soccer game formats in youth players. Sixteen male soccer players aged 16.3+/-0.6 years (mean+/-s) completed three variations of a small-sided game (i.e. 2 vs. 2, 4 vs. 4, and ...

journal_title：Journal of sports sciences

authors： Hill-Haas SV,Dawson BT,Coutts AJ,Rowsell GJ

更新日期：2009-01-01 00:00:00

abstract：:Adequate dietary strategies are essential for the successful participation in ultra-endurance races. The aim of this study was to evaluate and compare the energy and water intakes of participants during three different mountain ultra-endurance runs. The study took place at the "Ultra Mallorca Serra de Tramuntana" (Mal...

journal_title：Journal of sports sciences

authors： Martinez S,Aguilo A,Rodas L,Lozano L,Moreno C,Tauler P

更新日期：2018-02-01 00:00:00

abstract：:The purpose of this study was to capture the lower limb kinematics before during and after ball impact of soccer kicking by examining the influence of both sampling rate and smoothing procedures. Nine male soccer players performed maximal instep kicks and the three-dimensional leg movements were captured at 1000 Hz. A...

journal_title：Journal of sports sciences

authors： Nunome H,Lake M,Georgakis A,Stergioulas LK

更新日期：2006-01-01 00:00:00

abstract：:Although elite athletes have been reported to be high academic achievers, many elite soccer players struggle with a stereotype of being low academic achievers. The purpose of this study was to compare the academic level (pre-university or pre-vocational) and self-regulatory skills (planning, self-monitoring, evaluatio...

journal_title：Journal of sports sciences

authors： Jonker L,Elferink-Gemser MT,Toering TT,Lyons J,Visscher C

更新日期：2010-12-01 00:00:00

abstract：:This study aimed to investigate deprivation and sex differences in selected health-relatedfitness measures in 9-12-year-old children. Data were captured on 3,407 children (49.3% boys; aged 10.5 ± 0.6 years). Cardiorespiratory fitness(20 m multistage shuttle run test; 20 m MSRT), muscular strength (handgrip strength) a...

journal_title：Journal of sports sciences

authors： Tyler R,Mackintosh KA,Spacey HL,Stratton G

更新日期：2020-01-01 00:00:00