Force-Velocity-Power Profile in High-Elite Boulder, Lead, and Speed Climber Competitors.

abstract：PURPOSE:The purpose of this investigation was to quantify maximal aerobic power (VO2max) in soccer as a function of performance level, position, age, and time of season. In addition, the authors examined the evolution of VO2max among professional players over a 23-y period. METHODS:1545 male soccer players (22 ± 4 y, ...

journal_title：International journal of sports physiology and performance

authors： Tønnessen E,Hem E,Leirstein S,Haugen T,Seiler S

更新日期：2013-05-01 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 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 (1) compare the pacing strategies of different-level open-water swimmers during the 10-km race of the FINA 2015 Swimming World Championships and (2) relate these pacing strategies to the race performance. METHODS:Final and intermediate split times, as well as intermediate race positions, from the 10-km race...

journal_title：International journal of sports physiology and performance

authors： Rodriguez L,Veiga S

更新日期：2018-07-01 00:00:00

abstract：:In elite basketball, players are exposed to intensified competition periods when participating in both national and international competitions. How coaches manage training between matches and in reference to match scheduling for a full season is not yet known. PURPOSE:First, to compare load during short-term match co...

journal_title：International journal of sports physiology and performance

authors： Doeven SH,Brink MS,Huijgen BCH,de Jong J,Lemmink KAPM

更新日期：2020-10-01 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：:Endurance exercise performance in hypoxia may be influenced by an ability to maintain high minute ventilation (V˙E) in defense of reduced arterial oxyhemoglobin saturation. Inspiratory muscle training (IMT) has been used as an effective intervention to attenuate the negative physiological consequences associated with ...

journal_title：International journal of sports physiology and performance

authors： Hursh DG,Baranauskas MN,Wiggins CC,Bielko S,Mickleborough TD,Chapman RF

更新日期：2019-09-01 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 establish levels of association between physical fitness and match activity profiles of players in the Australian Football League (AFL) participation pathway. Methods: Players (N = 287, range 10.9-19.1 y) were assessed on 20-m sprint, AFL agility, vertical jump and running vertical jump, 20-m multistage fi...

journal_title：International journal of sports physiology and performance

authors： Haycraft JAZ,Kovalchik S,Pyne DB,Robertson S

更新日期：2019-07-01 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：: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:To compare the metabolic cost of paddling on different commercially available kayak ergometers using a standardized kayak incremental exercise protocol. METHODS:Six male sprint kayak athletes undertook an incremental exercise protocol on 3 different kayak ergometers utilizing a randomized counterbalanced pair-...

journal_title：International journal of sports physiology and performance

authors： Oliveira Borges T,Bullock N,Aitken D,Cox GR,Coutts AJ

更新日期：2020-08-18 00:00:00

abstract：PURPOSE:To compare the effects of 2 different intensity distribution training programs (threshold [THR] and polarized [POL]) on fat metabolism and neuromuscular variables. METHODS:Twenty ultrarunners were allocated to POL (n = 11; age 40.6 [9.7] y, weight 73.5 [10.8] kg, VO2max 55.8 [4.9] mL·kg-1·min-1) or THR group (...

journal_title：International journal of sports physiology and performance

authors： Pérez A,Ramos-Campo DJ,Marín-Pagan C,Martínez-Noguera FJ,Chung LH,Alcaraz PE

更新日期：2019-10-15 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 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：:This review aimed to examine the current evidence for 3 primary training intensity distribution types: (1) pyramidal training, (2) polarized training, and (3) threshold training. Where possible, the training intensity zones relative to the goal race pace, rather than physiological or subjective variables, were calcula...

journal_title：International journal of sports physiology and performance

authors： Kenneally M,Casado A,Santos-Concejero J

更新日期：2018-10-01 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：:Despite some advances, it remains largely unknown how the millions of variations in the human genome influence athletic performance (especially in endurance events), and no single genetic test can really predict sports talent. However, there is experimental evidence from animal research that selecting for even a simpl...

journal_title：International journal of sports physiology and performance

authors： Sanchis-Gomar F,Pareja-Galeano H,Rodriguez-Marroyo JA,de Koning JJ,Lucia A,Foster C

更新日期：2016-10-01 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：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: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: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: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: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:Endurance running performance is a multifactorial phenotype that is strongly associated with running economy. Sit and reach range of motion (SR ROM) is negatively associated with running economy, suggesting that reduced SR ROM is advantageous for endurance running performance. The COL5A1 gene has been associate...

journal_title：International journal of sports physiology and performance

authors： Brown JC,Miller CJ,Posthumus M,Schwellnus MP,Collins M

更新日期：2011-12-01 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: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:Self-report (SR) has been the primary method used to assess fluid intake during endurance events, but unfortunately, little is known about the validity of SR. The purpose of this study was to compare SR fluid intake with direct measurement (DM) during a 70.3-mile triathlon. METHODS:Fifty-three (42 men, 11 wome...

journal_title：International journal of sports physiology and performance

authors： Wilson PB,Rhodes GS,Ingraham SJ

更新日期：2015-07-01 00:00:00

abstract：PURPOSE:The aim of this study was to describe the pacing profiles used by racewalkers competing in IAAF World Championships. METHODS:The times for each 5-km segment were obtained for 225 men competing over 20 km, 214 women competing over 20 km, and 232 men competing over 50 km, of whom 49 did not finish. Athletes were...

journal_title：International journal of sports physiology and performance

authors： Hanley B

更新日期：2013-07-01 00:00:00

abstract：PURPOSE:To quantify changes in skeletal-muscle oxygenation and pulmonary O2 uptake (V̇O2) after an extreme ultratrail running bout. METHODS:Before (PRE) and after (POST) the race (330-km, 24000 D±), profiles of vastus lateralis muscle oxygenation (ie, oxyhemoglobin [O2Hb], deoxyhemoglobin [HHb], and tissue oxygenation...

journal_title：International journal of sports physiology and performance

authors： Vernillo G,Brighenti A,Limonta E,Trabucchi P,Malatesta D,Millet GP,Schena F

更新日期：2017-04-01 00:00:00