Research article

Effect of Half-Marathon Running on Arterial Stiffness and Blood Biomarkers in High-Level and Recreational Male Athletes

Janno Jürgenson, Martin Serg, Priit Kampus, Jaak Kals, Maksim Zagura, Kersti Zilmer, Mihkel Zilmer, Jaan Eha, Eve Unt

2021, 20(4), 548 - 556

Research article

Correlation Properties of Heart Rate Variability during a Marathon Race in Recreational Runners: Potential Biomarker of Complex Regulation during Endurance Exercise

Thomas Gronwald, Bruce Rogers, Laura Hottenrott, Olaf Hoos, Kuno Hottenrott

2021, 20(4), 557 - 563

Review article

A Systematic Review and Meta-Analysis: Biomechanical Evaluation of the Effectiveness of Strength and Conditioning Training Programs on Front Crawl Swimming Performance

Wan Yu Kwok, Billy Chun Lung So, Daniel Hon Ting Tse, Shamay Sheung Mei Ng

2021, 20(4), 564 - 585

Research article

The Effectiveness of Psychological Workshops for Coaches on Well-Being and Psychomotor Performance of Children Practicing Football and Gymnastics

Dominika Wilczyńska, Anna Šysak-Radomska, Magdalena Podczarska-Głowacka, Wojciech Skrobot, Katarzyna Krasowska, Ewelina Perzanowska, Tomasz Dancewicz, Patrycja Lipińska, Will G. Hopkins

2021, 20(4), 586 - 593

Review article

The Calculation, Thresholds and Reporting of Inter-Limb Strength Asymmetry: A Systematic Review

Amy O. Parkinson, Charlotte L. Apps, John G. Morris, T. Barnett Cleveland, Martin G. C. Lewis

2021, 20(4), 594 - 617

Research article

The Impact of Moderate and High Intensity Cardiovascular Exertion on Sub-Elite Soccer Referee’s Cognitive Performance: A Lab-Based Study

Isabelle Senécal, Samuel J. Howarth, Greg D. Wells, Isaac Raymond, Silvano Mior

2021, 20(4), 618 - 625

Research article

Effects of Foam Rolling Duration on Tissue Stiffness and Perfusion: A Randomized Cross-Over Trial

Jan Schroeder, Jan Wilke, Karsten Hollander

2021, 20(4), 626 - 634

Research article

Site-Specific Muscle Loss in the Abdomen and Anterior Thigh in Elderly Males with Locomotive Syndrome

Toshiharu Natsume, Hayao Ozaki, Takashi Nakagata, Toshinori Yoshihara, Tomoharu Kitada, Yoshihiko Ishihara, Pengyu Deng, Takuya Osawa, Shuji Sawada, Hiroyuki Kobayashi, Shuich Machida, Hisashi Naito

2021, 20(4), 635 - 641

Research article

Changes in Digital Media Use and Physical Activity in German Young Adults under the Covid-19 Pandemic - A Cross-Sectional Study

Jasmin Helbach, Katharina Stahlmann

2021, 20(4), 642 - 654

Research article

Effects of Muscle Architecture on Eccentric Exercise Induced Muscle Damage Responses

Seher Çağdaş Şenışık, Bedrettin Akova, Ufuk Şekir, Hakan Gür

2021, 20(4), 655 - 664

Research article

Sex Differences in the Mechanical and Neurophysiological Response to Roller Massage of the Plantar Flexors

Masatoshi Nakamura, Andreas Konrad, Kiyono Ryosuke, Shigeru Sato, Kaoru Yahata, Riku Yoshida, Yuta Murakami, Futaba Sanuki, Jan Wilke

2021, 20(4), 665 - 671

Research article

Web-Based and Face-To-Face Autonomy-Supportive Intervention for Physical Education Teachers and Students’ Experiences

Henri Tilga, Hanna Kalajas-Tilga, Vello Hein, Andre Koka

2021, 20(4), 672 - 683

Research article

A Combined Hot and Hypoxic Environment during Maximal Cycling Sprints Reduced Muscle Oxygen Saturation: A Pilot Study

Keiichi Yamaguchi, Tomohiro Imai, Haruka Yatsutani, Kazushige Goto

2021, 20(4), 684 - 689

Research article

Acute Hemodynamic Responses to Three Types of Hamstrings Stretching in Senior Athletes

Brent Feland, Andy C. Hopkins, David G. Behm

2021, 20(4), 690 - 698

Research article

The Mediating Effect of Change of Direction Speed in the Relationship between the Type of Sport and Reactive Agility in Elite Female Team-Sport Athletes

Jarosław Domaradzki, Marek Popowczak, Teresa Zwierko

2021, 20(4), 699 - 705

Research article

Pulmonary and Inspiratory Muscle Function Response to a Mountain Ultramarathon

Ignacio Martinez-Navarro, Eladio Collado, Bárbara Hernando, Carlos Hernando

2021, 20(4), 706 - 713

Research article

How Much the Swimming Performance Leading to Tokyo 2020 Olympic Games Was Impaired Due to the Covid-19 Lockdown?

Mário J. Costa, Nuno D. Garrido, Daniel A. Marinho, Catarina C. Santos

2021, 20(4), 714 - 720

Review article

Seasonal Changes in Strength and Power in Elite Rugby League: A Systematic Review and Meta-Analysis

Kellyanne J. Redman, Vincent G. Kelly, Emma M. Beckman

2021, 20(4), 721 - 731

Research article

Post-Match Recovery in Soccer with Far-Infrared Emitting Ceramic Material or Cold-Water Immersion

Tiago M. Coelho, Renan F. H. Nunes, Fabio Y. Nakamura, Rob Duffield, Marília C. Serpa, Juliano F. da Silva, Lorival J. Carminatt, Francisco J. Cidral-Filho, Mariana P. Goldim, Khiany Mathias, Fabricia Petronilho, Daniel F. Martins, Luiz G. A. Guglielmo

2021, 20(4), 732 - 742

Research article

Is There a Sex Difference in Trunk Neuromuscular Control among Recreational Athletes during Cutting Maneuvers?

Guillaume Mornieux, Dominic Gehring, Albert Gollhofer

2021, 20(4), 743 - 750

Research article

Internal and External Load Control in Team Sports through a Multivariable Model

Aitor Piedra, Toni Caparrós, Jordi Vicens-Bordas, Javier Peña

2021, 20(4), 751 - 758

Research article

Comparison of Lower Extremity Kinematics during the Overhead Deep Squat by Functional Movement Screen Score

Caitlyn Heredia, Robert G. Lockie, Scott K. Lynn, Derek N. Pamukoff

2021, 20(4), 759 - 765

Research article

Muscle Actuators, Not Springs, Drive Maximal Effort Human Locomotor Performance

Jeffrey M. McBride

2021, 20(4), 766 - 777

Research article

Relationships between Heart Rate Variability, Sleep Duration, Cortisol and Physical Training in Young Athletes

Christina Mishica, Heikki Kyröläinen, Esa Hynynen, Ari Nummela, Hans-Christer Holmberg, Vesa Linnamo

2021, 20(4), 778 - 788

Research article

Sports in Natural Environment, Sports in Urban Environment: An fMRI Study about Stress and Attention/Awareness

Antonio Baena-Extremera, Julio F. García, Andrés C. Martínez, Cristina Martín-Pérez

2021, 20(4), 789 - 798

Letter to editor

Minor Soft Tissue Injuries may need PEACE in the Acute Phase, but Moderate and Severe Injuries Require CARE

Konstantinos Fousekis, Elias Tsepis, Konstantinos Fousekis, Elias Tsepis

2021, 20(4), 799 - 800

Guest Reviewers