Neuromuscular and endocrine responses of elite players during an Australian rules football season.

abstract：PURPOSE:The aim of the study was to determine the effect of supramaximal exercise intensity during constant work-rate cycling to exhaustion on the accumulated oxygen deficit (AOD) and to determine the test-retest reliability of AOD. METHODS:Twenty-one trained male cyclists and triathletes (mean ± SD for age and maxima...

journal_title：International journal of sports physiology and performance

authors： Muniz-Pumares D,Pedlar C,Godfrey RJ,Glaister M

更新日期：2017-03-01 00:00:00

abstract：:The National Basketball Association (NBA) has an extremely demanding competition schedule, requiring its athletes to compete in 82 regular-season games over a 6-mo period (∼3.4 games/wk). Despite the demanding schedule and high value of athletes, there is little public information on the specific game and training dem...

journal_title：International journal of sports physiology and performance

authors： McLean BD,Strack D,Russell J,Coutts AJ

更新日期：2019-04-01 00:00:00

abstract：PURPOSE:To compare the force-production capacities among boulderers, lead climbers, and speed climbers during a pull-up test using a force-velocity-power profile. METHODS:In total, 24 high-elite climbers (11 boulderers, 8 lead climbers, and 5 speed climbers) did 2 pull-ups at different percentages of their body mass (...

journal_title：International journal of sports physiology and performance

authors： Levernier G,Samozino P,Laffaye G

更新日期：2020-06-22 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：:The aim of this study was to compare 2 different methodological assessments when analyzing the relationship between performance and heart-rate (HR) -derived indices (resting HR [RHR] and HR variability [HRV]) to evaluate positive adaptation to training. The relative change in estimated maximum aerobic speed (MAS) and ...

journal_title：International journal of sports physiology and performance

authors： Plews DJ,Laursen PB,Kilding AE,Buchheit M

更新日期：2013-11-01 00:00:00

abstract：PURPOSE:To quantify the power-output demands of men's road-cycling stage racing using a direct measure of power output. METHODS:Power-output data were collected from 207 races over 6 competition years on 31 Australian national male road cyclists. Subjects performed a maximal graded exercise test in the laboratory to d...

journal_title：International journal of sports physiology and performance

authors： Ebert TR,Martin DT,Stephens B,Withers RT

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:While a number of studies have investigated gross efficiency (GE) in laboratory conditions, few studies have analyzed it in field conditions. Therefore, the aim of this study was to analyze the effect of gradient and cadence on GE in field conditions. METHODS:Thirteen trained cyclists (mean ± SD age 23.3 ± 4.1...

journal_title：International journal of sports physiology and performance

authors： Nimmerichter A,Prinz B,Haselsberger K,Novak N,Simon D,Hopker JG

更新日期：2015-10-01 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：:This study investigated the ergogenic effects of a commercial energy drink (Red Bull) or an equivalent dose of anhydrous caffeine in comparison with a noncaffeinated control beverage on cycling performance. Eleven trained male cyclists (31.7 ± 5.9 y 82.3 ± 6.1 kg, VO2max = 60.3 ± 7.8 mL · kg-1 · min-1) participated in...

journal_title：International journal of sports physiology and performance

authors： Quinlivan A,Irwin C,Grant GD,Anoopkumar-Dukie S,Skinner T,Leveritt M,Desbrow B

更新日期：2015-10-01 00:00:00

abstract：PURPOSE:To observe voluntary fluid and carbohydrate intakes and thermoregulatory characteristics of road cyclists during 2 multiday, multiple-stage races in temperate conditions. METHODS:Ten internationally competitive male cyclists competed in 2 stage races (2009 Tour of Gippsland, T1, n = 5; 2010 Tour of Geelong, T2...

journal_title：International journal of sports physiology and performance

authors： Ross ML,Stephens B,Abbiss CR,Martin DT,Laursen PB,Burke LM

更新日期：2014-05-01 00:00:00

abstract：:Thompson and Cooper1 observed that improvements in the swimming speed at 2-mM and 6-mM lactate concentration coincided with improvements in competitive breaststroke performances, whereas Pyne et al concluded that changes in swimming speed at lactate threshold were not directly associated with competition performances ...

journal_title：International journal of sports physiology and performance

authors： Thompson K,Garland S,Lothian F

更新日期：2006-06-01 00:00:00

abstract：:Player loads and fatigue responses are reported in 15 professional rugby league players (24.3 ± 3.8 y) during a period of intensified fixtures. Repeated measures of internal and external loads, perceived well-being, and jump flight time were recorded across 22 d, comprising 9 training sessions and matches on days 5, 1...

journal_title：International journal of sports physiology and performance

authors： Twist C,Highton J,Daniels M,Mill N,Close G

更新日期：2017-09-01 00:00:00

abstract：CONTEXT:Muscle imbalances aid in the identification of athletes at risk for lower-extremity injury. Little is known regarding the influence that leg preference or playing position may have on lower-extremity muscle strength and asymmetry. PURPOSE:To investigate lower-extremity strength profiles in rugby union athletes...

journal_title：International journal of sports physiology and performance

authors： Brown SR,Brughelli M,Bridgeman LA

更新日期：2016-05-01 00:00:00

abstract：PURPOSE:To analyze the reliability and validity of a simple computation method to evaluate force (F), velocity (v), and power (P) output during a countermovement jump (CMJ) suitable for use in field conditions and to verify the validity of this computation method to compute the CMJ force-velocity (F-v) profile (includi...

journal_title：International journal of sports physiology and performance

authors： Jiménez-Reyes P,Samozino P,Pareja-Blanco F,Conceição F,Cuadrado-Peñafiel V,González-Badillo JJ,Morin JB

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:To determine how a cooling vest worn during a warm-up could influence selected performance (countermovement jump [CMJ]), physical (global positioning system [GPS] metrics), and psychophysiological (body temperature and perceptual) variables. METHODS:In a randomized, crossover design, 12 elite male World Rugby ...

journal_title：International journal of sports physiology and performance

authors： Taylor L,Stevens CJ,Thornton HR,Poulos N,Chrismas BCR

更新日期：2019-07-30 00:00:00

abstract：:Intensive training periods may negatively influence immune function, but the immunological consequences of specific high-intensity-training (HIT) prescriptions are not well defined. PURPOSE:To explore whether 3 different HIT prescriptions influence multiple health-related biomarkers and whether biomarker responses to...

journal_title：International journal of sports physiology and performance

authors： Hanstock HG,Govus AD,Stenqvist TB,Melin AK,Sylta Ø,Torstveit MK

更新日期：2019-11-21 00:00:00

abstract：PURPOSE:To compare the effects of unilateral and bilateral resistance training on single-leg power output, between-limbs imbalance (BLI), bilateral deficit (BLD), change of direction (COD), and linear sprinting and jumping performance in young elite basketball players. METHODS:Twenty-two young (U-16-U-19) male basketb...

journal_title：International journal of sports physiology and performance

authors： Gonzalo-Skok O,Tous-Fajardo J,Suarez-Arrones L,Arjol-Serrano JL,Casajús JA,Mendez-Villanueva A

更新日期：2017-01-01 00:00:00

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 verify whether relative age effects (RAEs) occur among young male and female Swiss Alpine skiers of different age groups and performance levels. In addition, the efficacy of normalizing performance in physical tests to height and body mass to attenuate RAEs eventually present was tested. METHODS:The Swiss S...

journal_title：International journal of sports physiology and performance

authors： Gorski T,Rosser T,Hoppeler H,Vogt M

更新日期：2016-05-01 00:00:00

abstract：:Purpose: To analyse time domain, spectral and fractal properties of speed regulation during half-marathon racing. Methods: In twenty-one male experienced runners high-resolution data on speed (V), stride frequency (SF) and stride length (SL) were assessed during half-marathon competition (21098 m). Performance times, ...

journal_title：International journal of sports physiology and performance

authors： Hoos O,Boeselt T,Steiner M,Hottenrott K,Beneke R

更新日期：2013-08-27 00:00:00

abstract：CONTEXT:Successful elite sprint to long-distance runners are known to have shorter ground-contact time (GCT) than their less successful counterparts. PURPOSE:To investigate whether augmented feedback (aF) about GCT can reduce the time on ground (TOG) per minute in long-distance runners and, if so, whether this reducti...

journal_title：International journal of sports physiology and performance

authors： Gilgen-Ammann R,Wyss T,Troesch S,Heyer L,Taube W

更新日期：2018-01-01 00:00:00

abstract：PURPOSE:Recommendations state that to acquire the greatest benefit from heat-acclimation, the clock time of heat-acclimation sessions should match that of expected exercise-heat stress. It remains unknown if adaptations by postexercise hot-water immersion (HWI) demonstrate time-of-day-dependent adaptations. Thus, the a...

journal_title：International journal of sports physiology and performance

authors： Zurawlew MJ,Mee JA,Walsh NP

更新日期：2018-11-19 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：CONTEXT:Although skin-temperature assessment has received much attention in recent years as a possible internal-load measurement, scientific evidence is scarce. PURPOSE:To analyze baseline skin temperature and its rewarming through means of a cold-stress test before and after performing a marathon and to study the ass...

journal_title：International journal of sports physiology and performance

authors： Priego-Quesada JI,Pérez-Guarner A,Gandia-Soriano A,Oficial-Casado F,Galindo C,Cibrián Ortiz de Anda RM,Piñeiro-Ramos JD,Sánchez-Illana Á,Kuligowski J,Gomes Barbosa MA,Vento M,Salvador Palmer R

更新日期：2020-05-29 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：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:Ischemic preconditioning (IPC) through purposeful circulatory occlusion may enhance exercise performance. The value of IPC for improving performance is controversial owing to challenges with employing effective placebo controls. This study examines the efficacy of IPC versus a deceptive sham protocol for improv...

journal_title：International journal of sports physiology and performance

authors： Cheung CP,Slysz JT,Burr JF

更新日期：2019-10-11 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 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 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