Consistency of commercial devices for measuring elevation gain.

abstract：PURPOSE:Elite endurance athletes may train in a polarized fashion, such that their training-intensity distribution preserves autonomic balance. However, field data supporting this are limited. METHODS:The authors examined the relationship between heart-rate variability and training-intensity distribution in 9 elite ro...

journal_title：International journal of sports physiology and performance

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

更新日期：2014-11-01 00:00:00

abstract：PURPOSE:The purpose of this study was to evaluate the effectiveness of repetitions to fatigue (RTF) using absolute and relative muscle-endurance performances to estimate 1-repetition-maximum (1-RM) bench-press performance in high school male athletes. METHODS:Members of high school athletic teams (n = 118, age = 16.5 ...

journal_title：International journal of sports physiology and performance

authors： Mayhew JL,Hill SP,Thompson MD,Johnson EC,Wheeler L

更新日期：2007-09-01 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：:Cross-country mountain biking (XCO) is a popular high-intensity endurance cycling event, but XCO pacing strategy has not been fully examined. This study examined the pacing strategies of different XCO athletes during a laboratory-simulated XCO performance test. Brazilian cyclists classified as performance-cohort level...

journal_title：International journal of sports physiology and performance

authors： Viana BF,Pires FO,Inoue A,Santos TM

更新日期：2018-02-01 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:To investigate if error-correction-processing (ECP) algorithms in timing lights are able to eliminate or reduce measurement errors (MEs) and false signals due to swinging arms or legs. METHODS:First, a dummy was used to check if ECP generally works. Second, 15 male sport students performed sprints over 5 and 1...

journal_title：International journal of sports physiology and performance

authors： Altmann S,Ringhof S,Becker B,Woll A,Neumann R

更新日期：2018-11-26 00:00:00

abstract：CONTEXT:Badminton requires open and fast actions toward the shuttlecock, but there is no specific agility test for badminton players with specific movements. PURPOSE:To develop an agility test that simultaneously assesses perception and motor capacity and examine the test's concurrent and construct validity and its te...

journal_title：International journal of sports physiology and performance

authors： Loureiro Lde F Jr,de Freitas PB

更新日期：2016-04-01 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 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：PURPOSE:To determine different relationships between, and predictive ability of, performance variables at intermediate distances with finishing time in elite male 10,000-m runners. METHODS:Official electronic finishing and 100-m split times of the men's 10,000-m finals at the 2008 and 2016 Olympic Games and IAAF World...

journal_title：International journal of sports physiology and performance

authors： Renfree A,Casado A,Pellejero G,Hanley B

更新日期：2020-09-21 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

abstract：PURPOSE:To assess the hydration status and level of hydration knowledge of youths at summer sports camps. METHODS:Sixty-seven active youths, 57 males (mean +/- SD, 12 +/- 2 y, 136 +/- 16 cm, 50.6 +/- 21.1 kg) and 10 females (13 +/- 2 y, 153 +/- 8 cm, 45.2 +/- 9.0 kg) participated in 4 d of sports camp. Hydration statu...

journal_title：International journal of sports physiology and performance

authors： Decher NR,Casa DJ,Yeargin SW,Ganio MS,Levreault ML,Dann CL,James CT,McCaffrey MA,Oconnor CB,Brown SW

更新日期：2008-09-01 00:00:00

abstract：:In the article by Pedlar CR, Whyte GP, Burden R, et al, "A Case Study of an Iron-Deficient Female Olympic 1500-m Runner," in Int J Sport Physiol Perform. 8(6), p. 696, we printed an incorrect version of Figure 1, without the ×'s and +'s referred to in the caption. Please see below for the correct version of the figure...

journal_title：International journal of sports physiology and performance

authors：

更新日期：2014-01-01 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：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 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: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 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: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：: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：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 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：PURPOSE:To evaluate the effect of simulated soccer on the hamstrings eccentric torque-angle profile and angle of peak torque (APTeccH), and on the hamstrings:quadriceps torque ratio at specific joint angles (ASHecc:Qcon). METHODS:The authors assessed dominant-limb isokinetic concentric and eccentric knee flexion and c...

journal_title：International journal of sports physiology and performance

authors： Cohen DD,Zhao B,Okwera B,Matthews MJ,Delextrat A

更新日期：2015-04-01 00:00:00

abstract：PURPOSE:The purpose of this investigation was to determine the effect of stable and unstable conditions on one repetition maximum strength and muscle activity during dynamic squatting using absolute and relative loading. METHODS:Ten recreationally weight-trained males participated in this study (age = 24.1 +/- 2.0 y, ...

journal_title：International journal of sports physiology and performance

authors： McBride JM,Larkin TR,Dayne AM,Haines TL,Kirby TJ

更新日期：2010-06-01 00:00:00

abstract：:Recent psychophysiological models of endurance performance explained that pacing strategies and exercise-intensity regulation influence cyclists' ability to produce high mean power output (PO) during time trials (TTs). However, the relationships between these pacing strategies and psychological parameters of the athle...

journal_title：International journal of sports physiology and performance

authors： Ouvrard T,Groslambert A,Grappe F

更新日期：2019-04-01 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: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 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 better understand the carbohydrate (CHO) requirement of Australian Football (AF) match play by quantifying muscle glycogen utilisation during an in-season AF match. METHODS:After a 24 h CHO loading protocol of 8 g/kg and 2 g/kg in the pre-match meal, two elite male forward players had biopsies sampled from ...

journal_title：International journal of sports physiology and performance

authors： Routledge HE,Leckey JJ,Lee MJ,Garnham A,Graham S,Burgess D,Burke LM,Erskine RM,Close GL,Morton JP

更新日期：2018-06-12 00:00:00

abstract：PURPOSE:To examine the validity and reliability of a novel futsal special performance test (FSPT) as a measure of futsal performance and skills. METHODS:Thirty-six futsal players with different levels of experience were recruited and divided into 2 groups (elite and nonelite). Players participated in 4 sessions (at le...

journal_title：International journal of sports physiology and performance

authors： Farhani F,Rajabi H,Negaresh R,Ali A,Amani Shalamzari S,Baker JS

更新日期：2019-09-01 00:00:00