Caffeine, carbohydrate, and cooling use during prolonged simulated tennis.

abstract：PURPOSE:To describe and analyze the distribution of internal training load (ITL), recovery, and physical performance of professional volleyball players throughout 1 season. METHODS:Fifteen male professional Brazilian volleyball players participated in this study. The session rating of perceived exertion (s-RPE) and To...

journal_title：International journal of sports physiology and performance

authors： Debien PB,Mancini M,Coimbra DR,de Freitas DGS,Miranda R,Bara Filho MG

更新日期：2018-10-01 00:00:00

abstract：PURPOSE:To establish the validity of smartphone photoplethysmography (PPG) and heart-rate sensor in the measurement of heart-rate variability (HRV). METHODS:29 healthy subjects were measured at rest during 5 min of guided breathing and normal breathing using smartphone PPG, a heart-rate chest strap, and electrocardiog...

journal_title：International journal of sports physiology and performance

authors： Plews DJ,Scott B,Altini M,Wood M,Kilding AE,Laursen PB

更新日期：2017-11-01 00:00:00

abstract：PURPOSE:To assess the net effects of strength training on middle- and long-distance performance through a meta-analysis of the available literature. METHODS:Three databases were searched, from which 28 of 554 potential studies met all inclusion criteria. Standardized mean differences (SMDs) were calculated and weighte...

journal_title：International journal of sports physiology and performance

authors： Berryman N,Mujika I,Arvisais D,Roubeix M,Binet C,Bosquet L

更新日期：2018-01-01 00:00:00

abstract：PURPOSE:This study investigated whether there is a correlation between time-trial performance and competitive performance capacity of male and female junior cross-country skiers and sought to explain sex-specific competitive performance capacity through multiple-regression modeling. METHODS:The International Ski Feder...

journal_title：International journal of sports physiology and performance

authors： Carlsson M,Carlsson T,Hammarström D,Malm C,Tonkonogi M

更新日期：2014-01-01 00:00:00

abstract：:In elite basketball, players are exposed to intensified competition periods when participating in both national and international competitions. How coaches manage training between matches and in reference to match scheduling for a full season is not yet known. PURPOSE:First, to compare load during short-term match co...

journal_title：International journal of sports physiology and performance

authors： Doeven SH,Brink MS,Huijgen BCH,de Jong J,Lemmink KAPM

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:To determine the relationship between distance covered and player load (PL: sum of accelerations in all 3 planes of movement) in hockey training and competition. METHODS:Elite male hockey players (N=24) wore player-tracking devices in 7 international matches and 7 training sessions. Players were arranged in 4 ...

journal_title：International journal of sports physiology and performance

authors： Polglaze T,Dawson B,Hiscock DJ,Peeling P

更新日期：2015-05-01 00:00:00

abstract：PURPOSE:To identify the dose-response relationship between measures of training load (TL) and changes in aerobic fitness in academy rugby union players. METHOD:Training data from 10 academy rugby union players were collected during a 6-wk in-season period. Participants completed a lactate-threshold test that was used ...

journal_title：International journal of sports physiology and performance

authors： Taylor RJ,Sanders D,Myers T,Abt G,Taylor CA,Akubat I

更新日期：2018-02-01 00:00:00

abstract：PURPOSE:To assess the measures of salivary free testosterone and cortisol concentrations across selected rugby union matches according to game outcome. METHODS:Twenty-two professional male rugby union players were studied across 6 games (3 wins and 3 losses). Hormone samples were taken 40 min before the game and 15 mi...

journal_title：International journal of sports physiology and performance

authors： Gaviglio CM,Crewther BT,Kilduff LP,Stokes KA,Cook CJ

更新日期：2014-03-01 00:00:00

abstract：PURPOSE:The time-motion characteristics and the within-athlete variability in movement patterns were quantified for the same male fast bowler playing One Day International (ODI) cricket matches (n=12). METHODS:A number of different time motion characteristics were monitored using a portable 5-Hz global positioning sys...

journal_title：International journal of sports physiology and performance

authors： Petersen C,Pyne DB,Portus MR,Karppinen S,Dawson B

更新日期：2009-06-01 00:00:00

abstract：UNLABELLED:The contractile history of muscle can potentiate electrically evoked force production. A link to voluntary force production, related in part to an increase in reflex excitability, has been suggested. PURPOSE:Our purpose was to quantify the effect of postactivation potentiation on voluntary force production ...

journal_title：International journal of sports physiology and performance

authors： Hodgson MJ,Docherty D,Zehr EP

更新日期：2008-06-01 00:00:00

abstract：PURPOSE:To identify contributing factors to the incidence of illness for professional team-sport athletes, using training load (TL), self-reported illness, and well-being data. METHODS:Thirty-two professional rugby league players (26.0 ± 4.8 y, 99.1 ± 9.6 kg, 1.84 ± 0.06 m) were recruited from the same club. Players p...

journal_title：International journal of sports physiology and performance

authors： Thornton HR,Delaney JA,Duthie GM,Scott BR,Chivers WJ,Sanctuary CE,Dascombe BJ

更新日期：2016-05-01 00:00:00

abstract：PURPOSE:The purpose of this study was to analyze the effects of high-level competition on salivary free cortisol, countermovement jump (CMJ), and rating of perceived exertion (RPE) and the relationships between these fatigue indicators in a group of elite middle- and long-distance runners. METHOD:The salivary free cor...

journal_title：International journal of sports physiology and performance

authors： Balsalobre-Fernández C,Tejero-González CM,del Campo-Vecino J

更新日期：2014-09-01 00:00:00

abstract：PURPOSE:The purpose of this study was to evaluate differences in hamstring activation during lower body resistance training exercises. This study also sought to assess differences in hamstring-to-quadriceps muscle activation ratios and gender differences therein. METHODS:A randomized repeated measures design was used ...

journal_title：International journal of sports physiology and performance

authors： Ebben WP

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:To identify the effect of additional elastic force on the kinetic and kinematic characteristics, as well as the magnitude of leg stiffness, during the performance of accentuated countermovement jumps (CMJs). METHODS:Fifteen trained male subjects performed 3 types of CMJ including free CMJ (FCMJ; ie, body weigh...

journal_title：International journal of sports physiology and performance

authors： Aboodarda SJ,Yusof A,Abu Osman NA,Thompson MW,Mokhtar AH

更新日期：2013-03-01 00:00:00

abstract：:The aim of the current study was to analyze the temporal effects that unsportsmanlike fouls may have on basketball teams' scoring performance under consideration of context-related variables. The authors analyzed 130 unsportsmanlike fouls from 362 elite basketball games (men's and women's Olympic Games, European and W...

journal_title：International journal of sports physiology and performance

authors： Gómez MÁ,Toro EO,Furley P

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:To quantify the mean daily changes in training and match load and any parallel changes in indicators of morningmeasured fatigue across in-season training weeks in elite soccer players. METHODS:After each training session and match (TL), session ratings of perceived exertion (s-RPE) were recorded to calculate o...

journal_title：International journal of sports physiology and performance

authors： Thorpe RT,Strudwick AJ,Buchheit M,Atkinson G,Drust B,Gregson W

更新日期：2016-10-01 00:00:00

abstract：:Paratriathlon will debut at the Rio 2016 Paralympic Games, but research documenting the physiological attributes and training practices of elite paratriathletes is lacking. This case study reports on the physiology and training of a long-distance worldchampion male paratriathlete (below-the-knee amputee) over 19 mo. H...

journal_title：International journal of sports physiology and performance

authors： Mujika I,Orbañanos J,Salazar H

更新日期：2015-10-01 00:00:00

abstract：PURPOSE:To establish a specific player profile on body-composition parameters and to provide a data set of bioelectric impedances values for male volleyball players. METHODS:The study included 201 athletes (age 26.1 [5.4] y, height 191.9 [9.7] cm, weight 86.8 [10.8] kg) registered in the Italian volleyball divisions. ...

journal_title：International journal of sports physiology and performance

authors： Campa F,Toselli S

更新日期：2018-10-01 00:00:00

abstract：CONTEXT:Drop jumps and high-intensity interval running are relevant training methods to improve explosiveness and endurance performance, respectively. Combined training effects might, however, be achieved by performing interval drop jumping. PURPOSE:To determine the acute effects of interval drop jumping on oxygen upt...

journal_title：International journal of sports physiology and performance

authors： Ducrocq GP,Hureau TJ,Meste O,Blain GM

更新日期：2019-10-17 00:00:00

abstract：PURPOSE:To quantify changes in skeletal-muscle oxygenation and pulmonary O2 uptake (V̇O2) after an extreme ultratrail running bout. METHODS:Before (PRE) and after (POST) the race (330-km, 24000 D±), profiles of vastus lateralis muscle oxygenation (ie, oxyhemoglobin [O2Hb], deoxyhemoglobin [HHb], and tissue oxygenation...

journal_title：International journal of sports physiology and performance

authors： Vernillo G,Brighenti A,Limonta E,Trabucchi P,Malatesta D,Millet GP,Schena F

更新日期：2017-04-01 00:00:00

abstract：:Velocity strength training requires exercise modalities that allow athletes to reach very high movement velocity, which is limited during vertical movements involving body weight. PURPOSE:To quantify the mechanical outputs developed during horizontal squat jumps (HSJs), notably the movement velocity, in comparison wi...

journal_title：International journal of sports physiology and performance

authors： Samozino P,Rivière JR,Rossi J,Morin JB,Jimenez-Reyes P

更新日期：2018-08-01 00:00:00

abstract：PURPOSE:To (1) compare the pacing strategies of different-level open-water swimmers during the 10-km race of the FINA 2015 Swimming World Championships and (2) relate these pacing strategies to the race performance. METHODS:Final and intermediate split times, as well as intermediate race positions, from the 10-km race...

journal_title：International journal of sports physiology and performance

authors： Rodriguez L,Veiga S

更新日期：2018-07-01 00:00:00

abstract：PURPOSE:To compare psychophysiological responses to 6 repeated-sprint sessions in normobaric hypoxia (RSH) and normoxia (RSN) in team-sport athletes during a 2-wk "live high-train low" training camp. METHODS:While residing under normobaric hypoxia (≥14 h/d, FiO2 14.5-14.2%), 23 lowland elite field hockey players perfo...

journal_title：International journal of sports physiology and performance

authors： Brocherie F,Millet GP,Girard O

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:To investigate the influence of prior knowledge of exercise duration on the pacing strategies employed during game-based activities. METHODS:Twelve semiprofessional team-sport athletes (mean ± SD age 22.8 ± 2.1 y) participated in this study. Players performed 3 small-sided games in random order. In one conditi...

journal_title：International journal of sports physiology and performance

authors： Gabbett TJ,Walker B,Walker S

更新日期：2015-04-01 00:00:00

abstract：PURPOSE:To determine the reliability of the 505 change-of-direction (COD) test performed with both a stationary and a flying start. METHODS:Fifty-two female netball players (age 23.9 ± 5.4 y, height 169.9 ± 3.3 cm, body mass 65.2 ± 4.6 kg) performed 6 trials of the 505 COD test, 3 with a flying start and 3 with a stat...

journal_title：International journal of sports physiology and performance

authors： Barber OR,Thomas C,Jones PA,McMahon JJ,Comfort P

更新日期：2016-04-01 00:00:00

abstract：:An activity profile of competitive 3 × 2-min novice-level amateur boxing was created based on video footage and postbout blood [La] in 32 male boxers (mean ± SD) age 19.3 ± 1.4 y, body mass 62.6 ± 4.1 kg. Winners landed 18 ± 11 more punches than losers by applying more lead-hand punches in round 1 (34.2 ± 10.9 vs 26.5...

journal_title：International journal of sports physiology and performance

authors： Davis P,Wittekind A,Beneke R

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:This study aimed to compare the effects of 5 different 18-week in-season strength training programs on strength gains and specific water polo performance. METHODS:A total of 56 young male water polo players were randomly assigned to the following 5 training groups: dry-land strength training, in-water-specific...

journal_title：International journal of sports physiology and performance

authors： Martin MS,Pareja Blanco F,De Villarreal ES

更新日期：2021-01-28 00:00:00

abstract：PURPOSE:To determine the effect of altitude training at 1600 and 1800 m on sea-level (SL) performance in national-level runners. METHODS:After 3 wk of SL training, 24 runners completed a 3-wk sojourn at 1600 m (ALT1600, n = 8), 1800 m (ALT1800, n = 9), or SL (CON, n = 7), followed by up to 11 wk of SL racing. Race per...

journal_title：International journal of sports physiology and performance

authors： Sharma AP,Saunders PU,Garvican-Lewis LA,Clark B,Welvaert M,Gore CJ,Thompson KG

更新日期：2019-03-01 00:00:00

abstract：PURPOSE:To determine if the mathematical model used to derive critical power could be used to identify the critical resistance (CR) for the deadlift; compare predicted and actual repetitions to failure at 50%, 60%, 70%, and 80% 1-repetition maximum (1RM); and compare the CR with the estimated sustainable resistance for...

journal_title：International journal of sports physiology and performance

authors： Dinyer TK,Byrd MT,Vesotsky AN,Succi PJ,Bergstrom HC

更新日期：2019-10-10 00:00:00

abstract：PURPOSE:To determine the effect of high- versus low-intensity training in the heat and ensuing taper period in the heat on endurance performance. METHODS:In total, 19 well-trained triathletes undertook 5 days of normal training and a 1-wk taper including either low- (heat acclimation [HA-L], n = 10) or high-intensity ...

journal_title：International journal of sports physiology and performance

authors： Schmit C,Duffield R,Hausswirth C,Brisswalter J,Le Meur Y

更新日期：2018-07-01 00:00:00