"Hand in Glove": Using Qualitative Methods to Connect Research and Practice.

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：AIM:The purpose of this brief report was to examine the net oxygen cost, oxygen kinetics, and kinematics of level and uphill running in elite ultra-trail runners. METHODS:Twelve top-level ultra-distance trail runners performed two 5-minute stages of treadmill running (level, 0%, men 15 km·h-1, women 13 km·h-1; and uph...

journal_title：International journal of sports physiology and performance

authors： Willis SJ,Gellaerts J,Mariani B,Basset P,Borrani F,Millet GP

更新日期：2019-07-01 00:00:00

abstract：:Purpose: To determine the association between training-load (TL) factors, baseline characteristics, and new injury and/or pain (IP) risk in an endurance sporting population (ESP). Methods: Ninety-five ESP participants from running, triathlon, swimming, cycling, and rowing disciplines initially completed a questionnair...

journal_title：International journal of sports physiology and performance

authors： Johnston R,Cahalan R,Bonnett L,Maguire M,Nevill A,Glasgow P,O'Sullivan K,Comyns T

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:The purpose of this project was to observe current warm-up practices in snowboard athletes and evaluate their physiological impact before competition. METHODS:An observational design was used to monitor 4 athletes (2 female) at an Open National Snowboard Cross Championships. Activity patterns, core temperature...

journal_title：International journal of sports physiology and performance

authors： Sporer BC,Cote A,Sleivert G

更新日期：2012-09-01 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：PURPOSE:The session rating of perceived exertion (RPE) is a practical and noninvasive method that allows a quantification of the internal training load (TL) in individual and team sports, but no study has investigated its construct validity in martial arts. Therefore, the purpose of this study was to examine the conver...

journal_title：International journal of sports physiology and performance

authors： Haddad M,Chaouachi A,Castagna C,Wong del P,Behm DG,Chamari K

更新日期：2011-06-01 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

abstract：PURPOSE:To compare the effects of 2 repeated-sprint training programs on fitness in soccer. METHODS:Fifteen semiprofessional soccer players (age: 24 ± 4 y; body mass: 77 ± 8 kg) completed 6 repeated-sprint training sessions over a 2-week period. Players were assigned to a straight-line (STR) (n = 8; 3-4 sets of 7 × 30...

journal_title：International journal of sports physiology and performance

authors： Taylor JM,Macpherson TW,McLaren SJ,Spears I,Weston M

更新日期：2016-11-01 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：UNLABELLED:The combined supplementation of caffeine (CAF) and sodium bicarbonate (NaHCO3) may have a potential ergogenic effect during intermittent-exercise tasks such as judo; however, its effect in this sport has not been tested. PURPOSE:To investigate the isolated and combined effects of CAF and NaHCO3 on judo perf...

journal_title：International journal of sports physiology and performance

authors： Felippe LC,Lopes-Silva JP,Bertuzzi R,McGinley C,Lima-Silva AE

更新日期：2016-03-01 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: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：:The maximal lactate steady state (MLSS) depicts the highest blood lactate concentration (BLC) that can be maintained over time without a continual accumulation at constant prolonged workload. In cycling, no difference in the MLSS was combined with lower power output related to peak workload (IMLSS) at 100 than at 50 r...

journal_title：International journal of sports physiology and performance

authors： Beneke R,Leithäuser RM

更新日期：2017-03-01 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：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: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：PURPOSE:The main objective of this study was to investigate the efficacy of both programmed (speed, agility, and quickness; SAQ) and random (small-sided games; SSG) conditioning methods on selected neuromuscular and physical performance variables. METHODS:Twenty volunteers (21.1 +/- 4.0 y, 1.71 +/- 0.09 m, 66.7 +/- 9....

journal_title：International journal of sports physiology and performance

authors： Polman R,Bloomfield J,Edwards A

更新日期：2009-12-01 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：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 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:To determine prevalence of heel strike in a midsize city marathon, if there is an association between foot-strike classification and race performance, and if there is an association between foot-strike classification and gender. METHODS:Foot-strike classification (forefoot, midfoot, heel, or split strike), gen...

journal_title：International journal of sports physiology and performance

authors： Kasmer ME,Liu XC,Roberts KG,Valadao JM

更新日期：2013-05-01 00:00:00

abstract：PURPOSE:To assess the reliability of a 5-min-stage graded exercise test (GXT) and determine the association between physiological attributes and performance over stochastic cycling trials of varying distance. METHODS:Twenty-eight well-trained male cyclists performed 2 GXTs and either a 30-km (n = 17) or a 100-km stoch...

journal_title：International journal of sports physiology and performance

authors： Levin GT,Laursen PB,Abbiss CR

更新日期：2014-03-01 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：:This study examined the influence of turn radius on velocity and energy profiles when skidding and step turning during more and less effective downhill turns while cross-country skiing. Thirteen elite female cross-country skiers performed single turns with a 9- or 12-m radius using the skidding technique and a 12- or ...

journal_title：International journal of sports physiology and performance

authors： Sandbakk O,Bucher Sandbakk S,Supej M,Holmberg HC

更新日期：2014-01-01 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：: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：: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:To assess the convergent validity of internal load measured with the CR100 scale in youth football players of 3 age groups. METHODS:A total of 59 players, age 12-17 years, from the youth academy of a professional football club were involved in this study. Convergent validity was examined by calculating the cor...

journal_title：International journal of sports physiology and performance

authors： Serpiello FR,Hopkins WG

更新日期：2021-01-06 00:00:00

abstract：PURPOSE:To analyze how many finalists of the International Association of Athletics Federations (IAAF) World Junior Championships (WJCs) in the middle- and long-distance track events had dropped out from high-level competitions. METHODS:Starting from 2002, the 8 male and the 8 female finalists in the middle- and long-...

journal_title：International journal of sports physiology and performance

authors： Pizzuto F,Bonato M,Vernillo G,La Torre A,Piacentini MF

更新日期：2017-03-01 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