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Validity and Reliability of Finger-Strength Testing in 6 Common Grip Techniques for the Assessment of Bouldering Ability in Men Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-02-01 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
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Monitoring Readiness to Train and Perform in Female Football: Current Evidence and Recommendations for Practitioners Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-02-01 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
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Combining Heat and Altitude Training to Enhance Temperate, Sea-Level Performance Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-18 Olivier Girard, Peter Peeling, Sébastien Racinais, Julien D. Périard
Background: Repeated exposure to heat (ie, plasma volume expansion) or altitude (ie, increase in total hemoglobin mass), in conjunction with exercise, induces hematological adaptations that enhance endurance performance in each respective environment. Recently, combining heat and altitude training has become increasingly common for athletes preparing to compete in temperate, sea-level conditions. Purpose:
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From Mentorship to Sponsorship in Sport Science Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-18 Iñigo Mujika, Peter Leo
Journal Name: International Journal of Sports Physiology and Performance Volume: 19 Issue: 3 Pages: 221-222
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Quantifying Offense and Defense Workloads in Professional Rugby Union Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-03 Luke J. Stevens, Will G. Hopkins, Jessica A. Chittenden, Bianca Z. Koper, Tiaki Brett Smith
Purpose: Rugby union is a contact team sport demanding high levels of physical capacity, and understanding the match workloads can be useful to inform training. In this study, the factors influencing locomotion and contact workloads for offensive and defensive ball-in-play periods are quantified. Methods: Locomotion and contact metrics were collected from global positioning system units and videos
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Acute Responses to Repeated-Sprint Training in Hypoxia Combined With Whole-Body Cryotherapy: A Preliminary Study Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-03 Thibaud Mihailovic, Alain Groslambert, Romain Bouzigon, Simon Feaud, Grégoire P. Millet, Philippe Gimenez
Purpose: This study aimed to investigate acute psychophysiological responses to repeated-sprint training in hypoxia (RSH) combined with whole-body cryotherapy (WBC). Method: Sixteen trained cyclists performed 3 sessions in randomized order: RSH, WBC-RSH (WBC pre-RSH), and RSH-WBC (WBC post-RSH). RSH consisted of 3 sets of 5 × 10-second sprints with 20-second recovery at a simulated altitude of 3000 m
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Effects of 4 Different Velocity-Based Resistance-Training Programming Models on Physical Performance Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-02 Javier Riscart-López, Juan Sánchez-Valdepeñas, Raúl Mora-Vela, Javier Caro-Ávalos, Lidia Sánchez-González, Miguel Sánchez-Moreno, Juan Antonio León-Prados, Fernando Pareja-Blanco
Purpose: To examine the effects of 4 programming models (linear [LP], undulating [UP], reverse [RP], and constant [CP]) on physical performance. Methods: Forty-eight moderately strength-trained men were randomly assigned to LP, UP, RP, and CP groups according to their 1-repetition maximum (1RM) in the full-squat exercise (SQ) and followed an 8-week training intervention using the SQ and monitoring
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Uniform Homeostatic Stress Through Individualized Interval Training Facilitates Homogeneous Adaptations Across Rowers With Different Profiles Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-02 Xiaohong Luo, Dongwei Zhang, Wenlu Yu
Purpose: This study compared the effects of individualizing supramaximal interval rowing interventions using anaerobic power reserve (APR [high-intensity interval training (HIIT) prescribed according to individual APR (HIITAPR)]) and power associated with maximal oxygen uptake (WV˙O2max [HIIT prescribed based on the individual WV˙O2max (HIITW)]) on the homogeneity of physiological and performance adaptations
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Addressing Circadian Disruptions in Visually Impaired Paralympic Athletes Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2024-01-02 Travis Anderson, William M. Adams, Geoffrey T. Burns, Eric G. Post, Sally Baumann, Emily Clark, Karen Cogan, Jonathan T. Finnoff
Purpose: Transmeridian travel is common for elite athletes participating in competitions and training. However, this travel can lead to circadian misalignment wherein the internal biological clock becomes desynchronized with the light–dark cycle of the new environment, resulting in performance decrement and potential negative health consequences. Existing literature extensively discusses recommendations
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Postactivation Performance Enhancement With Maximal Isometric Contraction on Power-Clean Performance Across Multiple Sets Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-29 Danny Lum, Keng Yang Ong, Michael H. Haischer
Purpose: This study investigated the postactivation performance-enhancement effect of maximal voluntary isometric contraction (MVIC) at the starting position on power-clean performance over a series of contrast sets. Methods: Eighteen male (age: 31 [3.7] y, body mass: 76.8 [9.1] kg, height: 175.0 [5.2] cm) and 2 female (age: 27.5 [3.5] y, body mass: 53.3.8 [2.0] kg, height: 158.5 [4.9] cm) resistance-trained
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Repeated-Sprint Training With Blood-Flow Restriction Improves Repeated-Sprint Ability Similarly to Unrestricted Training at Reduced External Loads Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-28 James R. Mckee, Olivier Girard, Jeremiah J. Peiffer, Daniel J. Hiscock, Kristen De Marco, Brendan R. Scott
Purpose: This study examined performance and physiological adaptations following 3 weeks of repeated-sprint training (RST) with blood-flow restriction (BFR) or without (non-BFR). Methods: Twenty-six semiprofessional and amateur adult male team-sport players were assessed for repeated-sprint ability, anaerobic capacity, leg lean mass, neuromuscular function, and maximal aerobic capacity before and after
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The Inclusion of Preplanned and Random and Unanticipated/Unexpected Events During Strength Training Improves the Ability to Repeat High-Intensity Efforts Under Uncertainty Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-28 Oliver Gonzalo-Skok, Julio Tous-Fajardo, Sergio Maroto-Izquierdo, Javier Raya-González, Javier Sánchez-Sánchez
Purpose: To compare the effects of unilateral flywheel training (FT), using a rotational conical pulley, including multidirectional movements with either preplanned or random unanticipated/unexpected executions on functional performance in football players. Methods: A total of 32 young male football players were randomly assigned to an FT program including preplanned unilateral multidirectional movements
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Kinetic Analysis, Potentiation, and Fatigue During Vertical and Horizontal Plyometric Training: An In-Depth Investigation Into Session Volume Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-22 Casey M. Watkins, Nicholas D. Gill, Michael R. McGuigan, Ed Maunder, Alyssa-Joy Spence, Paul Downes, Jono Neville, Adam G. Storey
Despite previous support for plyometric training, optimal dosing strategies remain unclear. Purpose: To investigate vertical and horizontal jump kinetic performance following a low-volume plyometric stimulus with progressively increased session jump volume. Methods: Sixteen academy rugby players (20.0 [2.0] y; 103.0 [17.6] kg; 184.3 [5.5] cm) volunteered for this study. Vertical and horizontal jump
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The Influence of a Multistage Mountain-Bike Race on Neuromuscular Activation and Synergies: A Case Study Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-21 Maaike M. Eken, Sarah L. Arnold, Jordy Thijssen, Milou van der Schaaf, Louise Engelbrecht, Robert P. Lamberts
Introduction: This case study aimed to describe potential changes in neuromuscular activation and synergies after an 8-day cross-country mountain-bike stage race. Methods: A peak power output test was performed 5 days before the race. Two days before the start and after 7 days of racing, the athlete performed a power-based Lamberts Submaximal Cycling Test, including surface electromyography, and completed
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From Theory to Practice: A Worldwide Cross-Sectional Survey About Flywheel Training in Basketball Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-21 Omar Younes-Egaña, Stephen P. Bird, Julio Calleja-González
Purpose: This study aimed to comprehensively investigate the global implementation of flywheel training (FT) by basketball strength and conditioning (S&C) coaches in various contexts, encompassing daily practice, games, and sessions. Methods: Survey data were collected from 117 basketball S&C coaches who participated in a 24-question online survey. The survey was structured into 6 key areas, including
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The Relationships Between External and Internal Training Loads in Mixed Martial Arts Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-21 Christopher Kirk, Carl Langan-Evans, David R. Clark, James P. Morton
Purpose: As a multidisciplined combat sport, relationships between external and internal training loads and intensities of mixed martial arts (MMA) have not been described. The aim of this study was to determine the external loads and intensities of MMA training categories and their relationship to internal loads and intensities. Methods: Twenty MMA athletes (age = 23.3 [5.3] y, mass = 72.1 [7.2] kg
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An Analysis of Positional Generic and Individualized Speed Thresholds Within the Most Demanding Phases of Match Play in the English Premier League Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-21 Ronan Kavanagh, Kevin McDaid, David Rhodes, Jack McDonnell, Rafael Oliveira, Ryland Morgans
Objectives: To analyze the positional distances covered above generic and individualized speed thresholds within the most demanding phases of match play. Categorized by position, 17 English Premier League players’ match data were analyzed over 2 consecutive seasons (2019–20 and 2020–21). The most demanding phases of play were determined using a rolling average across 4 periods of 1, 3, 5, and 10 minutes
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The “Making” of World-Class Athletes Is Still a Case for Humble Admissions Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-21 Ralph Beneke
Journal Name: International Journal of Sports Physiology and Performance Volume: 19 Issue: 2 Pages: 93-94
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Analysis of Sprint Ski Mountaineering Performance Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-12 Alessandro Fornasiero, Simone Fornoni, Alexa Callovini, Beatrice Todesco, Aldo Savoldelli, Federico Schena, Hans-Christer Holmberg, Barbara Pellegrini, Lorenzo Bortolan
Ski mountaineering sprint competitions are short individual races involving 3 uphill sections (U), 3 transitions (T), and a final descent. To date, relatively little is known about this novel Olympic discipline, and here we examined (1) the contribution of the time spent on U, T, and final descent to overall finishing time and (2) the potential relationships with final ranking. During the different
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A Methodological Comparison of Protocols and Analytical Techniques to Assess the Outcome Measures of Submaximal Fitness Tests Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-12 Tzlil Shushan, Ric Lovell, Shaun J. McLaren, Steve Barrett, Martin Buchheit, Tannath J. Scott, Dean Norris
Background: Submaximal fitness test (SMFT) outcome measures are frequently collected with a wide array of technologies and methodological approaches. Purpose: To examine the test–retest reliability of various SMFT outcome measures derived from different protocols and analytical techniques. Methods: Twenty-six semiprofessional adult soccer players performed 3 SMFT protocols, including 2 continuous (3 min
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Erratum. Match Running Performance in Australian Football Is Related to Muscle Fiber Typology Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-08 International Journal of Sports Physiology and Performance
Journal Name: International Journal of Sports Physiology and Performance Volume: 19 Issue: 1 Pages: 92-92
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Specialize Early and Select Late: Performance Trajectories of World-Class Finalists and International- and National-Class Swimmers Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-12-07 Dennis-Peter Born, Glenn Björklund, Jenny Lorentzen, Thomas Stöggl, Michael Romann
Purpose: To investigate performance progression from early-junior to peak performance age and compare variety in race distances and swimming strokes between swimmers of various performance levels. Methods: Using a longitudinal data analysis and between-groups comparisons 306,165 annual best times of male swimmers (N = 3897) were used to establish a ranking based on annual best times at peak performance
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Shifting the Energy Toward Los Angeles: Comparing the Energetic Contribution and Pacing Approach Between 2000- and 1500-m Maximal Ergometer Rowing Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-28 Daniel J. Astridge, Peter Peeling, Paul S.R. Goods, Olivier Girard, Sophie P. Watts, Myles C. Dennis, Martyn J. Binnie
Purpose: To compare the energetic contribution and pacing in 2000- and 1500-m maximal rowing-ergometer performances. Methods: On separate visits (>48 h apart, random order), 18 trained junior (16.7 [0.4] y) male rowers completed 3 trials: a 7 × 4-minute graded exercise test, a 2000-m time trial (TT2000), and a 1500-m TT (TT1500). Respiratory gases were continuously measured throughout each trial. The
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Initial Maximum Push-Rim Propulsion and Sprint Performance in Elite Men's Wheelchair Basketball. Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-23 Aitor Iturricastillo,Jordi Sanchez-Grau,Gerard Carmona,Adrián García-Fresneda,Javier Yanci
OBJECTIVES This study sought to report the reliability (intrasession) values of initial maximum push-rim propulsion (IMPRP) and sprint performance in elite wheelchair basketball (WB) players and to assess the involvement of strength in sprint capacity. METHODS Fifteen Spanish international WB male players participated in this study. The maximum single wheelchair push from a stationary position (IMPRP)
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Bringing on the Next Generation of Sport Scientists: The Benefits of Work-Integrated Learning Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-23 David B. Pyne
Journal Name: International Journal of Sports Physiology and Performance Volume: 19 Issue: 1 Pages: 1-1
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Optimizing Wearable Device and Testing Parameters to Monitor Running-Stride Long-Range Correlations for Fatigue Management in Field Settings Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-23 Joel T. Fuller, Dominic Thewlis, Jodie A. Wills, Jonathan D. Buckley, John B. Arnold, Eoin Doyle, Tim L.A. Doyle, Clint R. Bellenger
Purpose: There are important methodological considerations for translating wearable-based gait-monitoring data to field settings. This study investigated different devices’ sampling rates, signal lengths, and testing frequencies for athlete monitoring using dynamical systems variables. Methods: Secondary analysis of previous wearables data (N = 10 runners) from a 5-week intensive training intervention
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The Effects of Neuromuscular Training on Sand Versus Hard Surfaces on Physical Fitness in Young Male Tennis Players Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-17 Jaime Fernandez-Fernandez, Fábio Yuzo Nakamura, Daniel Boullosa, Francisco Javier Santos-Rosa, Alba Herrero-Molleda, Urs Granacher, David Sanz-Rivas
Purpose: To examine the effects of a neuromuscular training program combining plyometric exercises with acceleration, deceleration, and change-of-direction drills conducted on sand or hard surfaces on the fitness qualities of young male tennis players. Methods: Thirty-one young male players were allocated to a training group performing 12 training sessions on sand or hard surfaces, during a 6-week
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Effect of Personalized Sodium Replacement on Fluid and Sodium Balance and Thermophysiological Strain During and After Ultraendurance Running in the Heat. Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-09 Alan J McCubbin,Ricardo J S da Costa
PURPOSE To investigate the effect of personalized sweat sodium replacement on drinking behavior, sodium and water balance, and thermophysiological responses during and after ultraendurance running in hot conditions. METHODS Nine participants (7 male, 2 female) completed two 5-hour treadmill runs (60% maximum oxygen uptake, 30°C ambient temperature), in a double-blind randomized crossover design, consuming
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Performance-Determining Variables of a Simulated Sprint Cross-Country Skiing Competition Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-11-06 Rune Kjøsen Talsnes, Jan-Magnus Brattebø, Tore Berdal, Trine Seeberg, Knut Skovereng, Thomas Losnegard, Jan Kocbach, Øyvind Sandbakk
Purpose: To investigate performance-determining variables of an on-snow sprint cross-country skiing competition and the evolvement in their relationship with performance as the competition progresses from the individual time trial (TT) to the final. Methods: Sixteen national-level male junior skiers (mean [SD] age, 18.6 [0.8] y; peak oxygen uptake [VO2peak], 67.6 [5.5] mL·min−1·kg−1) performed a simulated
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Evolution of 1500-m Olympic Running Performance Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-31 Carl Foster, Brian Hanley, Renato Barroso, Daniel Boullosa, Arturo Casado, Thomas Haugen, Florentina J. Hettinga, Andrew M. Jones, Andrew Renfree, Philip Skiba, Alan St Clair Gibson, Christian Thiel, Jos J. de Koning
Purpose: This study determined the evolution of performance and pacing for each winner of the men’s Olympic 1500-m running track final from 1924 to 2020. Methods: Data were obtained from publicly available sources. When official splits were unavailable, times from sources such as YouTube were included and interpolated from video records. Final times, lap splits, and position in the peloton were included
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Physiological Responses and Swimming-Performance Changes Induced by Altering the Sequence of Training Sets Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-27 Ioannis S. Nikitakis, Gregory C. Bogdanis, Giorgos P. Paradisis, Argyris G. Toubekis
Purpose: Interval-training sets may be applied in a different sequence within a swimming training session. The aim of this study was to investigate the effect of different set sequences on performance and physiological responses in a training session. Methods: Twelve highly trained male swimmers performed 4 sessions in randomized order. Each session included a different combination of 2 training sets: set
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Load–Velocity Profile and Active Drag in Young Female Swimmers: An Age-Group Comparison Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-19 Christina Wettengl, Rebecca Karlsson, Bjørn H. Olstad, Tomohiro Gonjo
Purpose: The present study aimed to establish differences in load–velocity profiling, active drag (AD), and drag coefficient (Cd) between 3 age groups of female swimmers. Methods: Thirty-three swimmers (11, 13, or 16 y old) were recruited. The individual load–velocity profile was determined for the 4 competitive swimming strokes. The maximal velocity (V0), maximal load (L0), L0 normalized to the body
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Thermal Sensation After the 10-km Open-Water Swimming in Cool Water Depends on the Skin’s Thermal Sensitivity Rather Than Core Temperature Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-19 Tomomi Fujimoto, Yuiko Matsuura, Yasuhiro Baba, Reira Hara
Purpose: To assess the core temperature fluctuations during 10-km open-water swimming (OWS) in cool water and the relationship between thermal sensation (TS) after 10-km OWS, core temperature, and local skin thermal sensitivity. Methods: Nine highly trained OWS swimmers (4 female; age 22 [3] y) completed a single 10-km trial in cool water (22.3 °C) wearing swimsuits for OWS. During the trial, core
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Performance Management in Elite Football: A Teamwork Modeling Approach Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-17 Joao Marques, Karim Chamari
Journal Name: International Journal of Sports Physiology and Performance Volume: 18 Issue: 12 Pages: 1371-1373
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Six Weeks of Unilateral Flywheel Hip-Extension and Leg-Curl Training Improves Flywheel Eccentric Peak Power but Does Not Enhance Hamstring Isokinetic or Isometric Strength Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-14 Kevin L. de Keijzer, Stuart A. McErlain-Naylor, Marco Beato
Purpose: This preregistered trial investigated how 6 weeks of unilateral flywheel leg-curl and hip-extension training impact isokinetic, isometric, and flywheel strength and power outcomes. Methods: The study involved 11 male university athletes (age 22 [2] y; body mass 77.2 [11.3] kg; height 1.74 [0.09] m) with one leg randomly allocated to flywheel training and one leg to control. Unilateral eccentric
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The Force-Velocity Profiling Concept for Sprint Running Is a Dead End. Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-14 Gertjan Ettema
PURPOSE In this commentary, I present arguments against the use of the force-velocity profiling concept in design and adaptations of training programs targeting sprinting. The purpose of this commentary is to make sports practitioners more aware of the rationale behind the concept and explain why it does not work. RATIONALE Force-velocity profiling is a mathematical way to present the velocity development
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Annual Volume and Distribution of Physical Training in Norwegian Female Cross-Country Skiers and Biathletes: A Comparison Between Sports, Competition Levels, and Age Categories—The FENDURA Project Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-11 John O. Osborne, Guro S. Solli, Tina P. Engseth, Boye Welde, Bente Morseth, Dionne A. Noordhof, Øyvind Sandbakk, Erik P. Andersson
Purpose: To describe and compare the annual physical training characteristics between Norwegian female cross-country (XC) skiers and biathletes across competition levels and age categories. Methods: Daily training sessions for 1 year were recorded for 45 XC skiers and 26 biathletes, comprising international/national team (inter[national]) and nonnational/regional team members (nonnational) of both
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Four Sessions of Repeated-Sprint Cycling Training With or Without Severe Hypoxia Do Not Modify Overground Running Sprint Force–Velocity Profile Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-10 Franck Brocherie, Sebastien Racinais, Anthony Couderc, Julien Piscione, Olivier Girard
Purpose: To investigate the effect of cycling-based repeated-sprint training in hypoxia versus in normoxia on single overground running sprint performance and associated force–velocity (F–V) profile in world-class female rugby sevens players. Methods: Eighteen world-class female rugby sevens players were randomly assigned to repeated-sprint cycling training in normobaric hypoxia (n = 9) or normoxia
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Match Running Performance in Australian Football Is Related to Muscle Fiber Typology Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-10 Henry J. Hopwood, Phillip M. Bellinger, Heidi R. Compton, Matthew N. Bourne, Wim Derave, Eline Lievens, Ben Kennedy, Clare L. Minahan
Purpose: To examine the association between muscle fiber typology and match running performance in professional Australian football (AF) athletes. Methods: An observational time–motion analysis was performed on 23 professional AF athletes during 224 games throughout the 2020 competitive season. Athletes were categorized by position as hybrid, small, or tall. Athlete running performance was measured
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Accuracy of Heart-Rate-Recovery Parameters Assessed From a Wrist-Worn Photoplethysmography Monitor (Polar Unite) Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-06 Quentin Bretonneau, Etienne Peruque-Gayou, Etienne Wolfs, Laurent Bosquet
Purpose: The accuracy of heart rate (HR) measured with a wrist-worn photoplethysmography (PPG) monitor is altered during rest–exercise and exercise–rest transitions, which questions the validity of postexercise HR-recovery (HRR) parameters estimated from this device. Methods: Thirty participants (50% female) randomly performed two 13-minute sequences (3′ rest, 5′ submaximal-intensity exercise, and
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Remote Determination of Critical Speed and Critical Power in Recreational Runners Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-06 Ben Hunter, Adam Ledger, Daniel Muniz-Pumares
Purpose: This study aimed to compare estimations of critical speed (CS) and work completed above CS (D′), and their analogies for running power (critical power [CP] and W′), derived from raw data obtained from habitual training (HAB) and intentional maximal efforts in the form of time trials (TTs) and 3-minute all-out tests (3MTs) in recreational runners. The test–retest reliability of the 3MT was
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Rethinking Sport Science to Improve Coach–Researcher Interactions Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-10-04 Irineu Loturco
Journal Name: International Journal of Sports Physiology and Performance Volume: 18 Issue: 11 Pages: 1231-1232
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An Updated Panorama of Blood-Flow-Restriction Methods Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-30 Brendan R. Scott, Olivier Girard, Nicholas Rolnick, James R. McKee, Paul S.R. Goods
Background: Exercise with blood-flow restriction (BFR) is being increasingly used by practitioners working with athletic and clinical populations alike. Most early research combined BFR with low-load resistance training and consistently reported increased muscle size and strength without requiring the heavier loads that are traditionally used for unrestricted resistance training. However, this field
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The V ˙ O 2 max Legacy of Hill and Lupton (1923)—100 Years On Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-28 Grégoire P. Millet, Johannes Burtscher, Nicolas Bourdillon, Giorgio Manferdelli, Martin Burtscher, Øyvind Sandbakk
Purpose: One hundred years ago, Hill and Lupton introduced the concept of maximal oxygen uptake (V˙O2max), which is regarded as “the principal progenitor of sports physiology.” We provide a succinct overview of the evolvement of research on V˙O2max, from Hill and Lupton‘s initial findings to current debates on limiting factors for V˙O2max and the associated role of convective and diffusive components
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Highly Trained Biathletes With a Fast-Start Pacing Pattern Improve Time-Trial Skiing Performance by Pacing More Evenly Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-27 Thomas Losnegard, Magne Lund-Hansen, Erland Vedeler Stubbe, Even Dahlen Granrud, Harri Luchsinger, Øyvind Sandbakk, Jan Kocbach
Purpose: In sprint biathlon, a J-shaped pacing pattern is commonly used. We investigated whether biathletes with a fast-start pacing pattern increase time-trial skiing and shooting performance by pacing more evenly. Methods: Thirty-eight highly trained biathletes (∼21 y, 27 men) performed an individual 7.5 (3 × 2.5 km for women) or 10-km (3 × 3.3 km for men) time trial on roller skis with a self-selected
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The Relationship Between Isometric and Dynamic Strength Following Resistance Training: A Systematic Review, Meta-Analysis, and Level of Agreement Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-23 Lachlan P. James, Jonathon Weakley, Paul Comfort, Minh Huynh
Background: Maximal lower-body strength can be assessed both dynamically and isometrically; however, the relationship between the changes in these 2 forms of strength following resistance training is not well understood. Purpose: To systematically review and analyze the effects of resistance training on changes in maximal dynamic (1-repetition-maximum back squat, deadlift, and power clean) and position-matched
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Minimal Number of Events Required for Acceleration–Speed Profiling in Elite Women’s Soccer Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-23 Patrick Cormier, Ming-Chang Tsai, Cesar Meylan, Victor H.T. Soares, David C. Clarke, Marc Klimstra
Purpose: To determine the minimum number of events (training or matches) for producing valid acceleration–speed (AS) profiles from global navigation satellite system (GNSS) data. Methods: Nine elite female soccer players participated in a 4-week training camp consisting of 19 events. AS profile metrics calculated from different combinations of athlete events were compared to force–velocity (FV) profile
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The Relationship Between Lower-Body Force–Time Variables and Skating Performance in Female Ice Hockey Players Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-22 Mary C. Geneau, Ming-Chang Tsai, Dana Agar-Newman, Daniel J. Geneau, Marc Klimstra, Lachlan P. James
Purpose: Ice hockey is a team invasion sport characterized by repeated high-intensity skating efforts, technical and tactical skill, physical contact, and collisions requiring considerable levels of muscular strength. The purpose of this study was to evaluate the relationships between lower-body vertical force–time metrics and skating qualities in subelite female ice hockey players. Methods: A cross-sectional
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Recreational Runners Gain Physiological and Biomechanical Benefits From Super Shoes at Marathon Paces Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-21 Giorgos P. Paradisis, Elias Zacharogiannis, Athanassios Bissas, Brian Hanley
Purpose: Advanced footwear technology is prevalent in distance running, with research focusing on these “super shoes” in competitive athletes, with less understanding of their value for slower runners. The aim of this study was to compare physiological and biomechanical variables between a model of super shoes (Saucony Endorphin Speed 2) and regular running shoes (Saucony Cohesion 13) in recreational
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Benefits of Training the Iron Cross With Herdos Devices and External Load Added to Body Weight for Young Nonachiever Gymnasts Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-21 Michel Marina, Priscila Torrado, Blai Ferrer-Uris, Albert Busquets
Purpose: To verify whether training the iron cross (IC) with assistive devices (herdos; HIC) and added external load (LHIC) to equate the moments of force developed on the rings could be considered an intermediate step between the nonoverloaded herdos situation (HIC) and the IC performed on the rings. Methods: Relative levels of surface electromyography (sEMG) activity were normalized with respect
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Erratum. Determinants of 1500-m Front-Crawl Swimming Performance in Triathletes: Influence of Physiological and Biomechanical Variables Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-21 International Journal of Sports Physiology and Performance
Journal Name: International Journal of Sports Physiology and Performance Volume: 18 Issue: 11 Pages: 1367-1367
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Development and Interplay of Metabolic and Mechanical Performance Determinants Over an Annual Training Period in Adolescent National-Level Squad Swimmers Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-20 Sebastian Keller, Sanghyeon Ji, Joshua F. Feuerbacher, Boris Dragutinovic, Moritz Schumann, Patrick Wahl
Purpose: The study examined the longitudinal interplay of anthropometric, metabolic, and neuromuscular development related to performance in adolescent national-level swimmers over 12 months. Methods: Seven male and 12 female swimmers (14.8 [1.3] y, FINA [International Swimming Federation] points 716 [51]) were tested before (T0) and after the preparation period (T1), at the season’s peak (T2), and
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To Sleep Dreaming Medals: Sleep Characteristics, Napping Behavior, and Sleep-Hygiene Strategies in Elite Track-and-Field Athletes Facing the Olympic Games of Tokyo 2021 Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-20 Jacopo A. Vitale, Stefano Borghi, Maria Francesca Piacentini, Giuseppe Banfi, Antonio La Torre
Purpose: Few data are available on sleep characteristics of elite track-and-field athletes. Our study aimed to assess (1) differences in sleep between sexes and among different track-and-field disciplines, (2) the effect of individualized sleep-hygiene strategies on athletes’ sleep parameters, and (3) daytime nap characteristics in track-and-field athletes. Methods: Sleep characteristics of 16 elite
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Erratum. Swimming With the COSMED AquaTrainer and K5 Wearable Metabolic System in Breath-by-Breath Mode: Accuracy, Precision, and Repeatability Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-20 International Journal of Sports Physiology and Performance
Journal Name: International Journal of Sports Physiology and Performance Volume: 18 Issue: 11 Pages: 1366-1366
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The Influence of Menstrual-Cycle Phase on Measures of Recovery Status in Endurance Athletes: The Female Endurance Athlete Project. Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-19 Virginia De Martin Topranin,Tina Pettersen Engseth,Maria Hrozanova,Madison Taylor,Øyvind Sandbakk,Dionne A Noordhof
PURPOSE To investigate the influence of menstrual-cycle (MC) phase on measures of recovery status, that is, resting heart rate, perceived sleep quality, and physical and mental readiness to train, among female endurance athletes. METHODS Daily data were recorded during 1 to 4 MCs (ie, duration ≥21 and ≤35 d, ovulatory, luteal phase ≥10 d) of 41 trained-to-elite-level female endurance athletes (mean
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The Weekly Periodization of Top 5 Tour de France General Classification Finishers: A Multiple Case Study Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-14 Gabriele Gallo, Manuel Mateo-March, Daniel Gotti, Ed Maunder, Roberto Codella, Piero Ruggeri, Emanuela Faelli, Luca Filipas
Purpose: The aim of this study was to describe individual training characteristics, racing strategies, and periodization in preparation for the Tour de France in 2 world-class road cyclists finishing in the top 5 of the general classification. Methods: Week‐by‐week power meter training and racing data of 2 (A and B) road cyclists (age: 29 and 23 y; maximum oxygen consumption: 83 and 81 mL·min−1·kg−1;
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The Impact of Multisession Sleep-Hygiene Strategies on Sleep Parameters in Elite Swimmers Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-14 Florane Pasquier, Robin Pla, Laurent Bosquet, Fabien Sauvet, Mathieu Nedelec
Purpose: Short sleep duration and poor sleep quality are common in swimmers. Sleep-hygiene strategies demonstrated beneficial effects on several sleep parameters. The present study assessed the impact of a multisession sleep-hygiene training course on sleep in elite swimmers. Methods: Twenty-eight elite swimmers (17 [2] y) participated. The sleep-hygiene strategy consisted of 3 interventions. Sleep
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The Fine-Tuning Approach for Training Monitoring. Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-09 Daniel Boullosa,João Gustavo Claudino,Jaime Fernandez-Fernandez,Daniel Bok,Irineu Loturco,Matthew Stults-Kolehmainen,Juan García-López,Carl Foster
PURPOSE Monitoring is a fundamental part of the training process to guarantee that the programmed training loads are executed by athletes and result in the intended adaptations and enhanced performance. A number of monitoring tools have emerged during the last century in sport. These tools capture different facets (eg, psychophysiological, physical, biomechanical) of acute training bouts and chronic
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Determinants of 1500-m Front-Crawl Swimming Performance in Triathletes: Influence of Physiological and Biomechanical Variables Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-09 Óscar López-Belmonte, Jesús J. Ruiz-Navarro, Ana Gay, Francisco Cuenca-Fernández, Roberto Cejuela, Raúl Arellano
Purpose: To analyze the associations between physiological and biomechanical variables with the FINA (International Swimming Federation) points (ie, swimming performance) obtained in 1500-m front-crawl swimming to determine whether these variables can be used to explain triathletes’ FINA points. Methods: Fourteen world-class, international and national triathletes (10 male: 23.24 [3.70] y and 4 female:
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Handedness, Bilateral, and Interdigit Strength Asymmetries in Male Climbers. Int. J. Sport. Physiol. Perform. (IF 3.3) Pub Date : 2023-09-07 Cameron Hartley,Nicola Taylor,Joel Chidley,Jiří Baláš,Dave Giles
PURPOSE To determine whether there are bilateral and interdigit differences in the maximal force production of experienced climbers and whether these differences are mediated by ability level or preferred style of climbing. METHODS Thirty-six male climbers (age 30 [9.4] y) took part in a single-session trial to test their maximal force production on both hands. The tests included a one-arm maximal