Editorial
Keeping High the True Values of Sport
Renate M. Leithäuser
Brief Review
Anthropometrics and Body Composition in East African Runners: Potential Impact on Performance
Martin Mooses and Anthony C. Hackney
Original Investigation
Force-Time–Curve Comparison Between Weight-Lifting Derivatives
Timothy J. Suchomel and Christopher J. Sole
Near-Infrared Spectroscopy: More Accurate Than Heart Rate for Monitoring Intensity in Running in Hilly Terrain
Dennis-Peter Born, Thomas Stöggl, Mikael Swarén, and Glenn Björklund
Is Soleus Muscle-Tendon-Unit Behavior Related to Ground-Force Application During the Sprint Start?
Erik Schrödter, Gert-Peter Brüggemann, and Steffen Willwacher
Increases in Circulating Cell-Free DNA During Aerobic Running Depend on Intensity and Duration
Nils Haller, Suzan Tug, Sarah Breitbach, Arne Jörgensen, and Perikles Simon
Cluster Sets: Permitting Greater Mechanical Stress Without Decreasing Relative Velocity
James J. Tufano, Jenny A. Conlon, Sophia Nimphius, Lee E. Brown, Harry G. Banyard, Bryce D. Williamson, Leslie G. Bishop, Amanda J. Hopper, and G. Gregory Haff
The Effect of Maximal- and Explosive-Strength Training on Performance Indicators in Cyclists
Kris Beattie, Brian P. Carson, Mark Lyons, and Ian C. Kenny
Similar Running Economy With Different Running Patterns Along the Aerial-Terrestrial Continuum Thibault Lussiana, Cyrille Gindre, Kim Hébert-Losier, Yoshimasa Sagawa, Philippe Gimenez, and Laurent Mourot
Evaluation of the Match External Load in Soccer: Methods Comparison
Carlo Castagna, Matthew Varley, Susana C.A. Póvoas, and Stefano D’Ottavio
Effects of Ultratrail Running on Skeletal-Muscle Oxygenation Dynamics Gianluca Vernillo, Alfredo Brighenti, Eloisa Limonta, Pietro Trabucchi, Davide Malatesta, Grégoire P. Millet, and Federico Schena
Assessing Muscle-Strength Asymmetry via a Unilateral-Stance Isometric Midthigh Pull
Thomas Dos’Santos, Christopher Thomas, Paul A. Jones, and Paul Comfort
Effects of Velocity Loss During Resistance Training on Performance in Professional Soccer Players Fernando Pareja-Blanco, Luis Sánchez-Medina, Luis Suárez-Arrones, and Juan José González-BadilloA
Comparison of Physical and Technical Performance Profiles Between Successful and Less-Successful Professional Rugby League Teams
Thomas Kempton, Anita C. Sirotic, and Aaron J. Coutts
The High-Pull Exercise: A Comparison Between a VersaPulley Flywheel Device and the Free Weight F. Javier Núñez, Luis J. Suarez-Arrones, Paul Cater, and Alberto Mendez-Villanueva
Automatic Detection of Pitching and Throwing Events in Baseball With Inertial Measurement Sensors
Nick B. Murray, Georgia M. Black, Rod J. Whiteley, Peter Gahan, Michael H. Cole, Andy Utting, and Tim J. Gabbett
Muscle Activation in World-Champion, World-Class, and National Breaststroke Swimmers
Bjørn Harald Olstad, Christoph Zinner, João Rocha Vaz, Jan M.H. Cabri, and Per-Ludvik Kjendlie
The Relationship Between Maximal Strength and Reactive Strength
Kris Beattie, Brian P. Carson, Mark Lyons, and Ian C. Kenny
Impact of Fatigue on Positional Movements During Professional Rugby Union Match Play
Jason C. Tee, Mike I. Lambert, and Yoga Coopoo
Understanding the Mismatch Between Coaches’ and Players’ Perceptions of ExertionMichel S. Brink, Anna W. Kersten, and Wouter G.P. Frencken
Brief Report
Assessing Overreaching With Heart-Rate Recovery: What Is the Minimal Exercise Intensity Required?
Yann Le Meur, Martin Buchheit, Anaël Aubry, Aaron J Coutts, and Christophe Hausswirth

Editorial![Idrott, Historia & Samhälle | Sport, History & Society, Vol. 2025: Idrott och natur [Sports and Nature]](https://idrottsforum.org/wp-content/uploads/2026/04/winter-sports-218x150.jpg)


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