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International Journal of Sports Physiology and Performance

https://read.qxmd.com/read/38531349/the-influence-of-high-intensity-work-on-the-record-power-profile-of-under-23-pro%C3%A2-team-and-world-tour-cyclists
#1
JOURNAL ARTICLE
Peter Leo, Manuel Mateo-March, Andrea Giorgi, Xabier Muriel, Alejandro Javaloyes, David Barranco-Gil, Jesús G Pallarés, Alejandro Lucia, Iñigo Mujika, Pedro L Valenzuela
BACKGROUND: Durability (ie, the ability to attenuate the decline in performance after accumulated work) has been identified as a performance determinant in elite cyclists. The aim of the present study was to compare durability in elite cyclists of various performance levels, particularly after high-intensity work, referred to as "high-intensity durability." METHODS: Forty-nine (N = 49) male road cyclists were categorized as either under 23 years of age (U23) (N = 11), Pro Team (N = 13), or World Tour (N = 24)...
March 26, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38521054/cadence-paradox-in-cycling-part-1-maximal-lactate-steady-state-and-carbohydrate-utilization-dependent-on-cycling-cadence
#2
JOURNAL ARTICLE
Ralph Beneke, Marisa Granseyer, Renate M Leithäuser
PURPOSE: To assess (1) whether and how a higher maximal lactate steady state (MLSS) at higher cycling cadence (RPM) comes along with higher absolute and/or fractional carbohydrate combustion (CHOMLSS), respectively, and (2) whether there is an interrelation between potential RPM-dependent MLSS effects and the maximally achievable RPM (RPMMAX). METHODS: Twelve healthy males performed incremental load tests to determine peak power, peak oxygen uptake, and 30-minute MLSS tests at 50 and 100 per minute, respectively, to assess RPM-dependent MLSS, corresponding power output, CHOMLSS responses, and 6-second sprints to measure RPMMAX...
March 22, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38508178/erratum-addressing-circadian-disruptions-in-visually-impaired-paralympic-athletes
#3
(no author information available yet)
No abstract text is available yet for this article.
March 20, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38508177/absence-of-monotony-and-strain-effects-on-referees-physical-performance-during-international-basketball-federation-world-cup-basketball-competition
#4
JOURNAL ARTICLE
Rūtenis Paulauskas, Alejandro Vaquera, Bruno Figueira
PURPOSE: The study aimed to conduct a comparative analysis of physical performance indicators and assess the levels of performance monotony and strain experienced by basketball referees. METHODS: The study involved the participation of 12 basketball referees (mean age: 40.0 [4.9] y) affiliated with the International Basketball Federation. The investigation was carried out throughout 2 density tournaments, wherein the maximum heart rate, average heart rate, performance monotony, and performance strain were documented for 3 variables...
March 20, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38508163/strategies-to-involve-end-users-in-sport-science-research
#5
EDITORIAL
Christopher J Stevens, Christian Swann
No abstract text is available yet for this article.
March 20, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38508161/influence-of-amputation-on-kinetic-chain-musculature-activity-during-basic-and-modified-core-exercises
#6
JOURNAL ARTICLE
Kaiqi Liu, Linhong Ji, Yijia Lu
PURPOSE: Core strength is vital for athletic performance, and many more exercises that involve the kinetic chain have been designed for able-bodied athletes. Disabilities that impair the kinetic chain can reduce the effectiveness of strength training. However, the impact of amputation on core strength training of people with disabilities and its underlying mechanism remains unclear. This study aimed to evaluate the muscle activation patterns and levels in athletes with amputation during 4 basic and modified weight-bearing core strength-training exercises...
March 20, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38503279/investigating-the-relevance-of-maximal-speed-and-acceleration-in-varsity-level-female-ice-hockey-players
#7
JOURNAL ARTICLE
Alexander S D Gamble, Kyle M A Thompson, Jessica L Bigg, Christopher Pignanelli, Lawrence L Spriet, Jamie F Burr
PURPOSE: To characterize and compare female ice hockey players' peak skating speed and acceleration ability during linear sprints and gameplay. We also sought to quantify the time spent at various speeds and the frequency of accelerations at different thresholds during games. METHODS: Seventeen varsity-level female ice hockey players (20 [1.4] y, 68.9 [4.9] kg, 167.6 [4.7] cm) participated in an on-ice practice session (performing 3 × 40-m linear sprints) and 4 regular-season games while being monitored using a local positioning system...
March 19, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38458179/countermovement-jump-and-pull-up-performance-before-and-after-a-swimming-race-in-preparatory-and-competitive-phases-of-a-swimming-season
#8
JOURNAL ARTICLE
José M Gonzalez-Rave, Vincenzo Sorgente, Aaron Agudo-Ortega, Víctor Rodrigo-Carranza, Stelios Psycharakis, Anthony P Turner
PURPOSE: Monitoring performance athletes' training responses can be efficiently completed at competitive events. This study aimed to explore the changes in swimming, countermovement-jump (CMJ), and pull-up (PU) performance following training across a competitive phase, as well as immediately before and after each race. METHODS: Fourteen well-trained male sprint/middle-distance swimmers (height 179 [7] cm, mass 70 [8] kg, age 18 [2] y), from 3 regional training groups, completed CMJ and PU tests before and after the national competitions in October and May, when race performance was also assessed...
March 7, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38437841/the-quantification-of-physical-performance-and-internal-training-load-in-youth-male-soccer-players-during-preseason
#9
JOURNAL ARTICLE
Diogo V Martinho, André Rebelo, Adam Field, Alex S Ribeiro, Filipa Pereira, Bruno Bizarro, João Ribeiro, Silvano M Len, Élvio R Gouveia, Hugo Sarmento
PURPOSE: The monitoring of training loads and quantification of physical performance are common practices in youth soccer academies to support coaches in prescribing and programming training for individuals. The interaction between training load and physical performance is unknown during a preseason period in youth soccer players. The current study assessed changes in training load and physical assessments across a 4-week preseason period. The relationship between physical performance and match playing time in youth male soccer players was also investigated...
March 4, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38412852/effects-of-a-6-week-repeated-sprint-training-with-voluntary-hypoventilation-at-low-and-high-lung-volume-on-repeated-sprint-ability-in-female-soccer-players
#10
JOURNAL ARTICLE
Mounir Ait Ali Braham, Youva Ouchen, Xavier Woorons
PURPOSE: To investigate the effects of repeated-sprint training with voluntary hypoventilation at low (RSH-VHL) and high (RS-VHH) lung volume on repeated-sprint ability (RSA) in female athletes. METHODS: Over a 6-week period, 24 female soccer players completed 12 sessions of repeated 30-m running sprints with end-expiratory breath holding (RSH-VHL, n = 8), end-inspiratory breath holding (RS-VHH, n = 8), or unrestricted breathing (RS-URB, n = 8). Before and after training, a running RSA test consisting of performing 30-m all-out sprints until exhaustion was implemented...
February 27, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38412850/sequential-mapping-of-game-patterns-in-men-and-women-professional-padel-players
#11
JOURNAL ARTICLE
Rafael Conde-Ripoll, Diego Muñoz, Adrián Escudero-Tena, Javier Courel-Ibáñez
PURPOSE: This study analyzed the sequences of actions in professional men and women padel players to identify common game patterns. METHODS: The sample comprised 17,557 stroke-by-stroke actions (N = 1640 rallies) of the championship World Padel Tour. Multistep Markov chains were used to calculate the conditional probabilities of occurrence of actions during the rally. RESULTS: Results revealed that men's and women's padel is mainly defined by 36 patterns constituting 55% and 63% of all actions in the game, respectively, with the 10 most common sequences accounting for 42% to 45% of the game...
February 27, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38402880/predicting-soccer-players-fitness-status-through-a-machine-learning-approach
#12
JOURNAL ARTICLE
Mauro Mandorino, Jo Clubb, Mathieu Lacome
PURPOSE: The study had 3 purposes: (1) to develop an index using machine-learning techniques to predict the fitness status of soccer players, (2) to explore the index's validity and its relationship with a submaximal run test (SMFT), and (3) to analyze the impact of weekly training load on the index and SMFT outcomes. METHODS: The study involved 50 players from an Italian professional soccer club. External and internal loads were collected during training sessions...
February 24, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38402876/academic-life-the-good-the-bad-and-the-ugly
#13
EDITORIAL
Robert P Lamberts, N Tim Cable
No abstract text is available yet for this article.
February 24, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38377982/mixed-method-precooling-enhances-self-paced-20-km-cycling-time-trial-performance-when-apparent-temperature-is-46-%C3%A2-c-but-may-not-be-a-priority-in-46-%C3%A2-c
#14
JOURNAL ARTICLE
Julian Andro P Ramos, Kagan J Ducker, Hugh Riddell, Olivier Girard, Grant J Landers, Carly J Brade
PURPOSE: Precooling (PreC) may only benefit performance when thermal strain experienced by an individual is sufficiently high. We explored the effect of mixed-method PreC on 20-km cycling time-trial (CTT) performance under 3 different apparent temperatures (AT). METHODS: On separate days, 12 trained or highly trained male cyclists/triathletes completed six 20-km CTTs in 3 different ATs: hot-dry (35 °C AT), moderately hot-humid (40 °C AT), and hot-humid (46 °C AT)...
February 20, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38335952/effect-of-acute-sodium-bicarbonate-and-caffeine-coingestion-on-repeated-sprint-performance-in-recreationally-trained-individuals-a-randomized-controlled-trial
#15
JOURNAL ARTICLE
Carmen Ferragut, Paola Gonzalo-Encabo, Álvaro López-Samanes, David Valadés, Alberto Pérez-López
INTRODUCTION: The acute and isolated ingestion of sodium bicarbonate (NaHCO3) and caffeine (CAF) improves performance and delays fatigue in high-intensity tasks. However, it remains to be elucidated if the coingestion of both dietary supplements stimulates a summative ergogenic effect. This study aimed to examine the effect of the acute coingestion of NaHCO3 and CAF on repeated-sprint performance. METHODS: Twenty-five trained participants (age: 23.3 [4.0] y; sex [female/male]: 12/13; body mass: 69...
February 9, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38335950/the-day-by-day-periodization-strategies-of-a-giro-d-italia-podium-finisher
#16
JOURNAL ARTICLE
Gabriele Gallo, Manuel Mateo-March, Andrea Fuk, Emanuela Faelli, Piero Ruggeri, Roberto Codella, Luca Filipas
PURPOSE: The aim of this study was to describe the day-by-day training and racing characteristics in preparation for the Giro d'Italia of 1 world-class road cyclist who achieved a place on the podium in the final general classification of the Giro d'Italia. METHODS: Day-by-day power meter training and racing data of 1 study subject (road cyclist; age 25 y; relative maximum oxygen consumption 81 mL·min-1·kg-1; relative 20-min record power output 6...
February 9, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38307011/monitoring-readiness-to-train-and-perform-in-female-football-current-evidence-and-recommendations-for-practitioners
#17
JOURNAL ARTICLE
Marco Beato, Esben Elholm Madsen, Jo Clubb, Stacey Emmonds, Peter Krustrup
PURPOSE: Monitoring player readiness to train and perform is an important practical concept in football. Despite an abundance of research in this area in the male game, to date, research is limited in female football. The aims of this study were, first, to summarize the current literature on the monitoring of readiness in female football; second, to summarize the current evidence regarding the monitoring of the menstrual cycle and its potential impact on physical preparation and performance in female footballers; and third, to offer practical recommendations based on the current evidence for practitioners working with female football players...
February 1, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38307010/validity-and-reliability-of-finger-strength-testing-in-6-common-grip-techniques-for-the-assessment-of-bouldering-ability-in-men
#18
JOURNAL ARTICLE
Karl Söderqvist, Fredrik Identeg, Jonas Zimmerman, Eric Hamrin Senorski, Mikael Sansone, Henrik Hedelin
OBJECTIVE: To determine the criterion validity and test-retest reliability of isometric finger-strength testing in 6 differentiated grip techniques for the assessment of bouldering ability among male climbers. METHODS: We recruited participants at climbing gyms in Sweden and through online advertisements. We included climbers over 15 years of age with a minimum bouldering performance level of 17 International Rock Climbing and Research Association (IRCRA) for men and 15 IRCRA for women...
February 1, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38281488/effects-of-load-and-focus-of-attention-on-mechanical-parameters-during-bench-press-throw-in-resistance-trained-men
#19
JOURNAL ARTICLE
Olaf Prieske, Vidar Andersen, Tom A Moberg Johansen, Atle H Saeterbakken
PURPOSE: Power output is dependent on the load used during exercise such as bench-press throw (BPT). Attentional focus (external [EXT] vs internal [INT]) during exercise significantly modulates power performance. The purpose of the present study was to examine the effects of load and attentional focus on mechanical parameters during BPT. METHODS: In a crossover study, 31 resistance-trained men (mean age 23.5 [3.0] y) performed BPT at 30% (light), 50% (moderate), and 70% (heavy) of 1-repetition maximum (1-RM) using an INT or EXT focus of attention in randomized order...
January 27, 2024: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/38266635/relationship-between-objective-and-subjective-markers-of-muscle-recovery-in-professional-handball-players
#20
JOURNAL ARTICLE
Alexander-Stephan Henze, Lynn Matits, Jochen Huth, Frieder Mauch
PURPOSE: To evaluate the relationship between items of the Short Recovery and Stress Scale (SRSS) related to physical stress and recovery and the biomarker creatine kinase (CK) in professional handball. METHODS: CK and SRSS items (physical performance capability, overall recovery, muscular stress, and overall stress) were assessed in an observational study of 16 adult male professional handball players from a team in the highest German league during the 2019-20 preseason...
January 24, 2024: International Journal of Sports Physiology and Performance
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