Maximal aerobic power characteristics of male professional soccer players, 1989-2012.

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：: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:The study aimed to analyze the validity and reliability of commercially available nondifferential Global Positioning System (NdGPS) devices for measures of total distance during linear, multidirectional and soccer-specific motion at 1-Hz and 5-Hz sampling frequencies. METHODS:Linear (32 trials), multidirection...

journal_title：International journal of sports physiology and performance

authors： Portas MD,Harley JA,Barnes CA,Rush CJ

更新日期：2010-12-01 00:00:00

abstract：PURPOSE:To evaluate the relative importance and predictive ability of salivary immunoglobulin A (s-IgA) measures with regards to upper respiratory illness (URI) in youth athletes. METHODS:Over a 38-week period, 22 youth athletes (age = 16.8 [0.5] y) provided daily symptoms of URI and 15 fortnightly passive drool saliv...

journal_title：International journal of sports physiology and performance

authors： Sawczuk T,Jones B,Welch M,Beggs C,Scantlebury S,Till K

更新日期：2021-01-13 00:00:00

abstract：PURPOSE:To determine the consistency of commercially available devices used for measuring elevation gain in outdoor activities and sports. METHODS:Two separate observational validation studies were conducted. Garmin (Forerunner 310XT, Edge 500, Edge 750, and Edge 800; with and without elevation correction) and SRM (Po...

journal_title：International journal of sports physiology and performance

authors： Menaspà P,Impellizzeri FM,Haakonssen EC,Martin DT,Abbiss CR

更新日期：2014-09-01 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 examine the impact of varying between-matches microcycles on training characteristics (ie, intensity, duration, and load) in professional rugby league players and to report on match load related to these between-matches microcycles. METHODS:Training-load data were collected during a 26-wk competition period...

journal_title：International journal of sports physiology and performance

authors： Moreira A,Kempton T,Aoki MS,Sirotic AC,Coutts AJ

更新日期：2015-09-01 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：UNLABELLED:Anthropometrical and physical characteristics have been used to distinguish players of different competition levels and position groups; however, there is no literature on rugby sevens. PURPOSE:To compare the anthropometrical and physical characteristics of international and provincial rugby sevens players ...

journal_title：International journal of sports physiology and performance

authors： Ross A,Gill ND,Cronin JB

更新日期：2015-09-01 00:00:00

abstract：:Evidence indicates that low-level laser therapy (LLLT) minimizes fatigue effects on muscle performance. However, the ideal LLLT dosage to improve athletes'performance during sports activities such as cycling is still unclear. Therefore, the goal of this study was to investigate the effects of different LLLT dosages on...

journal_title：International journal of sports physiology and performance

authors： Lanferdini FJ,Bini RR,Baroni BM,Klein KD,Carpes FP,Vaz MA

更新日期：2018-01-01 00:00:00

abstract：PURPOSE:The genetic influence on the attainment of elite athlete status is well established, with a number of polymorphisms found to be more common in elite athletes than in the general population. As such, there is considerable interest in understanding whether this information can be utilized to identify future elite...

journal_title：International journal of sports physiology and performance

authors： Pickering C,Kiely J

更新日期：2020-12-03 00:00:00

abstract：UNLABELLED:Energicer is a new solution which purportedly increases evaporative cooling during exercise in the heat. PURPOSE:To evaluate the effect of Energicer on performance during indoor rowing in a warm environment. METHODS:Eighteen highly trained rowers (age 23.3 ± 6.7 y, height 181.3 ± 6.0 cm, mass 76.7 ± 5.0 kg...

journal_title：International journal of sports physiology and performance

authors： Mujika I,González De Txabarri R,Pyne D

更新日期：2010-09-01 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：PURPOSE:To examine the reliability of field-based running-specific measures of neuromuscular function assessed using global positioning system (GPS)-embedded accelerometers and their responses to 3 typical conditioned sessions (ie, strength, endurance, and speed) in elite soccer players. METHODS:Before and immediately...

journal_title：International journal of sports physiology and performance

authors： Buchheit M,Lacome M,Cholley Y,Simpson BM

更新日期：2018-05-01 00:00:00

abstract：PURPOSE:The influence of various factors on training-load (TL) responses in basketball has received limited attention. This study aimed to examine the temporal changes and influence of cumulative training dose on TL responses and interrelationships during basketball activity. METHODS:Ten state-level Australian male ju...

journal_title：International journal of sports physiology and performance

authors： Scanlan AT,Fox JL,Borges NR,Dascombe BJ,Dalbo VJ

更新日期：2017-02-01 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：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 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: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：: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 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：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: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 examine the influence of fluid intake on heat acclimation and the subsequent effects on exercise performance following acute hypohydration. METHODS:Participants were randomly assigned to 1 of 2 groups, either able to consume water ad libitum (n = 10; age 23 [3] y, height 1.81 [0.09] m, body mass 87 [13] kg;...

journal_title：International journal of sports physiology and performance

authors： Barley OR,Chapman DW,Mavropalias G,Abbiss CR

更新日期：2020-02-01 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 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：PURPOSE:To quantify possible differences in sprint mechanical outputs in handball and basketball players according to playing standard and position. METHODS:Sprint tests of 298 male players were analyzed. Theoretical maximal velocity (v0), horizontal force (F0), horizontal power (Pmax), force-velocity slope (SFV), rat...

journal_title：International journal of sports physiology and performance

authors： Haugen TA,Breitschädel F,Seiler S

更新日期：2019-10-02 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：:The purpose was to develop and validate portable force-measurement devices for recording push and pull forces applied by each foot to the foot bar of a kayak and the horizontal force at the seat. A foot plate on a single-point force transducer mounted on the kayak foot bar underneath each foot allowed the push and pul...

journal_title：International journal of sports physiology and performance

authors： Nilsson JE,Rosdahl HG

更新日期：2014-03-01 00:00:00

abstract：PURPOSE:To assess the evolution of the volleyball's game demands throughout players' development in men's volleyball. METHODS:A total of 150 sets and 6.671 rallies were analyzed. The sample was composed of 30 sets each by under-14, under-16, under-19, national senior, and international senior teams (1.291, 1.318, 1.31...

journal_title：International journal of sports physiology and performance

authors： de Alcaraz AG,Valadés D,Palao JM

更新日期：2017-07-01 00:00:00