Development of an Agility Test for Badminton Players and Assessment of Its Validity and Test-Retest Reliability.

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：:The effects of an enforced fast start on long-distance performance are controversial and seem to depend on the athlete's capacity to delay and tolerate metabolic disruption. The aim of this study was to investigate the effects of an enforced start on 10-km-running performance and the influence of the some physiologica...

journal_title：International journal of sports physiology and performance

authors： do Carmo EC,Barroso R,Renfree A,Gil S,Tricoli V

更新日期：2016-09-01 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：BACKGROUND:Sprint running acceleration is a key feature of physical performance in team sports, and recent literature shows that the ability to generate large magnitudes of horizontal ground-reaction force and mechanical effectiveness of force application are paramount. The authors tested the hypothesis that very-heavy...

journal_title：International journal of sports physiology and performance

authors： Morin JB,Petrakos G,Jiménez-Reyes P,Brown SR,Samozino P,Cross MR

更新日期：2017-07-01 00:00:00

abstract：PURPOSE:To investigate whether the combination of a soccer training session, plyometric training, and change-of-direction (COD) exercises would enhance soccer ability to a greater extent than training on its own in youth soccer players. METHODS:Thirty-one youth players participated in this study (age: 12 [0.8] y). Pla...

journal_title：International journal of sports physiology and performance

authors： Michailidis Y,Tabouris A,Metaxas T

更新日期：2019-03-01 00:00:00

abstract：PURPOSE:Although the session rating of perceived exertion (sRPE) is primarily a marker of internal training load (TL), it may be sensitive to external TL determining factors, such as duration and volume. Thus, sRPE could provide further information on accumulated fatigue not available from markers of internal TL. There...

journal_title：International journal of sports physiology and performance

authors： Fusco A,Knutson C,King C,Mikat RP,Porcari JP,Cortis C,Foster C

更新日期：2020-02-01 00:00:00

abstract：:The application of scientific principles to inform practice has become increasingly common in professional sports, with increasing numbers of sport scientists operating in this area. The authors believe that in addition to domain-specific expertise, effective sport scientists working in professional sport should be ab...

journal_title：International journal of sports physiology and performance

authors： Ward P,Windt J,Kempton T

更新日期：2019-04-01 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 examine variations in physical, physiological, and performance parameters over an annual training cycle in a world champion rowing crew. METHODS:Four world-class rowers, all of them members of the men's heavyweight quadruple sculls squad who are current world rowing champions, were assessed 3 times at regul...

journal_title：International journal of sports physiology and performance

authors： Mikulic P

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND:Combined plyometric and strength training has previously been suggested as a strategy to improve skating performance in ice hockey players. However, the effects of combined plyometric and strength training have not previously been compared with the effects of strength training only. PURPOSE:To compare the e...

journal_title：International journal of sports physiology and performance

authors： Dæhlin TE,Haugen OC,Haugerud S,Hollan I,Raastad T,Rønnestad BR

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To assess the effects of different modes of morning (AM) exercise on afternoon (PM) performance and salivary hormone responses in professional rugby union players. METHODS:On 4 occasions (randomized, crossover design), 15 professional rugby players provided AM (~8 AM) and PM (~2 PM) saliva samples before PM as...

journal_title：International journal of sports physiology and performance

authors： Russell M,King A,Bracken RM,Cook CJ,Giroud T,Kilduff LP

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To establish appropriate work intensity for interval training that would elicit maximal oxygen uptake (VO2max) for well-trained swimmers. METHODS:Twelve male competitive swimmers completed an incremental protocol to determine the minimum velocity at VO2max (νVO2max) and, in randomized order, 3 square-wave exer...

journal_title：International journal of sports physiology and performance

authors： Sousa A,Vilas-Boas JP,Fernandes RJ,Figueiredo P

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To describe the demand of recent World Cup (WC) races comparing top-10 (T10) and non-top-10 (N-T10) performances using power data. METHODS:Race data were collected in 1-d World Cup races during the 2012-2015 road cycling seasons. Seven female cyclists completed 49 WC races, finishing 25 times in T10 and 24 tim...

journal_title：International journal of sports physiology and performance

authors： Menaspà P,Sias M,Bates G,La Torre A

更新日期：2017-11-01 00:00:00

abstract：:In water polo, several high-intensity efforts are performed, leading to the fatigue process due to accumulation of hydrogen ions, and thus β-alanine supplementation could be an efficient strategy to increase the intramuscular acid buffer. Purpose To investigate whether 4 wk of β-alanine supplementation enhances parame...

journal_title：International journal of sports physiology and performance

authors： Brisola GMP,Milioni F,Papoti M,Zagatto AM

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To determine the validity of the Velocomp PowerPod power meter in comparison with the Verve Cycling InfoCrank power meter. METHODS:This research involved 2 separate studies. In study 1, 12 recreational male road cyclists completed 7 maximal cycling efforts of a known duration (2 times 5 s and 15, 30, 60, 240, ...

journal_title：International journal of sports physiology and performance

authors： Merkes PFJ,Menaspà P,Abbiss CR

更新日期：2019-10-02 00:00:00

abstract：BACKGROUND:Pacing studies suggest the distribution of effort for optimizing performance. Cross-sectional studies of 1-mile world records (WRs) suggest that WR progression includes a smaller coefficient of variation of velocity. PURPOSE:This study evaluates whether intraindividual pacing used by elite runners to break ...

journal_title：International journal of sports physiology and performance

authors： Foster C,de Koning JJ,Thiel C,Versteeg B,Boullosa DA,Bok D,Porcari JP

更新日期：2019-10-15 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:The present study aimed to verify if practicing tackles during rugby union training sessions would affect the players' internal training load and acute strength loss. METHOD:A total of 9 male Italian Serie A rugby union players (age: 21 [2] y) were monitored by means of an integrated approach across 17 session...

journal_title：International journal of sports physiology and performance

authors： Lupo C,Ungureanu AN,Boccia G,Licciardi A,Rainoldi A,Brustio PR

更新日期：2021-01-05 00:00:00

abstract：PURPOSE:To examine the neuromuscular and perceptual fatigue responses to consecutive tag football matches played on the same day and determine the relationship between fatigue and match running performance. METHODS:Neuromuscular and perceptual fatigue responses of 15 national tag football players were assessed before ...

journal_title：International journal of sports physiology and performance

authors： Hogarth LW,Burkett BJ,McKean MR

更新日期：2015-07-01 00:00:00

abstract：PURPOSE:The aim of this study was to compare VO2 kinetics during constant power cycle exercise measured using a conventional facemask (CM) or a respiratory snorkel (RS) designed for breath-by-breath analysis in swimming. METHODS:VO2 kinetics parameters-obtained using CM or RS, in randomized counterbalanced order-were ...

journal_title：International journal of sports physiology and performance

authors： Reis JF,Millet GP,Malatesta D,Roels B,Borrani F,Vleck VE,Alves FB

更新日期：2010-09-01 00:00:00

abstract：PURPOSE:To examine variations in neuromuscular and hormonal status and their relationship to performance throughout a season of elite Australian Rules Football (ARF). METHODS:Fifteen elite ARF players performed a single jump (CMJ1) and 5 repeated countermovement jumps (CMJ5), and provided saliva samples for the analys...

journal_title：International journal of sports physiology and performance

authors： Cormack SJ,Newton RU,McGuigan MR,Cormie P

更新日期：2008-12-01 00:00:00

abstract：PURPOSE:To describe the physical and technical demands of rugby league 9s (RL9s) match play for positional groups. METHODS:Global positioning system data were collected during 4 games from 16 players from a team competing in the Auckland RL9s tournament. Players were classified into positional groups (pivots, outside ...

journal_title：International journal of sports physiology and performance

authors： Kempton T,Coutts AJ

更新日期：2015-09-01 00:00:00

abstract：PURPOSE:To test the hypothesis that antioxidants can attenuate high-intensity interval training-induced improvements in exercise performance. METHODS:Two groups of recreationally active males performed a high-intensity interval running protocol, four times per week for 4 wk. Group 1 (n = 8) consumed 1 g of vitamin C d...

journal_title：International journal of sports physiology and performance

authors： Roberts LA,Beattie K,Close GL,Morton JP

更新日期：2011-03-01 00:00:00

abstract：PURPOSE:The authors tested different loading schemes for the number of repetitions completed during multiple sets of resistance exercise. METHODS:Twenty-four resistance-trained men (age 24.0 ± 4.5 y, body mass 78.3 ±10.2 kg, height 177 ± 7 cm) were tested over a 5-wk period. During week 1 a 10-repetition maximum (10RM...

journal_title：International journal of sports physiology and performance

authors： Medeiros HS Jr,Mello RS,Amorim MZ,Koch AJ,Machado M

更新日期：2013-07-01 00:00:00

abstract：PURPOSE:To determine the effects of prolonged simulated tennis on performance and the ergogenic potential of caffeine, carbohydrates, and cooling. METHODS:Twelve highly trained male tennis players (age 18.3 +/- 3.0 y, height 178.8 +/- 8.5 cm, body mass 73.95 +/- 12.30 kg, mean +/- SD) performed 4 simulated matches (2 ...

journal_title：International journal of sports physiology and performance

authors： Hornery DJ,Farrow D,Mujika I,Young WB

更新日期：2007-12-01 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:The main purpose of the present study was to quantify the match running demands and physiological intensities of AF field and boundary umpires during match play. METHODS:Thirty-five AF umpires [20 field (age: 24.7 ± 7.7 y, body mass: 74.3 ± 7.1 kg, sum of 7 skinfolds: 67.8 ± 18.8 mm); 15 boundary (age: 29.6 ± ...

journal_title：International journal of sports physiology and performance

authors： Elsworthy N,Dascombe BJ

更新日期：2011-12-01 00:00:00

abstract：PURPOSE:To examine the training and concomitant changes in laboratory- and field-test performance of highly trained endurance runners. METHODS:Fourteen highly trained male endurance runners (mean ± SD maximal oxygen uptake [VO2max] 69.8 ± 6.3 mL · kg-1 · min-1) completed this 1-y training study commencing in April. Du...

journal_title：International journal of sports physiology and performance

authors： Galbraith A,Hopker J,Cardinale M,Cunniffe B,Passfield L

更新日期：2014-11-01 00:00:00

abstract：CONTEXT:Several studies report static-stretch-induced deficits and dynamic-stretch performance improvement after intervention. PURPOSE:To investigate the muscle activation of the forehand and backhand in table tennis players after experiencing static- and dynamic-stretching protocols. METHODS:A total of 24 elite male...

journal_title：International journal of sports physiology and performance

authors： Kazemi O,Letafatkar A,Marchetti PH

更新日期：2020-11-12 00:00:00

abstract：PURPOSE:This study examined the influence of 10 days of intensified training on salivary cortisol and testosterone responses to 30-min, high-intensity cycling (55/80) in a group of male elite triathletes. METHODS:Seven elite male triathletes (age 19 ± 1 y, VO2max 67.6 ± 4.5 mL · kg-1 · min-1) completed the study. Swim...

journal_title：International journal of sports physiology and performance

authors： Hough J,Robertson C,Gleeson M

更新日期：2015-10-01 00:00:00