Journal of Sports Sciences, Volume 39, 2021, Issue 14


Social and Behavioral Sciences

“I’d got self-destruction down to a fine art”: a qualitative exploration of relative energy deficiency in sport (RED-S) in endurance athletes
Rachel K. Langbein, Daniel Martin, Jacquelyn Allen-Collinson, Lee Crust & Patricia C. Jackman
Pages: 1555-1564 | DOI: 10.1080/02640414.2021.1883312

Physiology and Nutrition

Iron status in athletic females, a shift in perspective on an old paradigm
Claire E. Badenhorst, Kazushige Goto, Wendy J. O’Brien & Stacy Sims
Pages: 1565-1575 | DOI: 10.1080/02640414.2021.1885782

Physical Activity, Health and Exercise

Fitness and executive function as mediators between physical activity and academic achievement
Mediators between physical activity and academic achievement
María Eugenia Visier-Alfonso, Celia Álvarez-Bueno, Mairena Sánchez-López, Iván Cavero-Redondo, José Alberto Martínez-Hortelano, Marta Nieto-López & Vicente Martínez-Vizcaíno
Pages: 1576-1584 | DOI: 10.1080/02640414.2021.1886665

Sports Medicine and Biomechanics

Influence of age and maturation status on sprint acceleration characteristics in junior Australian football
Toby Edwards, Jonathon Weakley, Harry G. Banyard, Ashley Cripps, Benjamin Piggott, G. Gregory Haff & Christopher Joyce
Pages: 1585-1593 | DOI: 10.1080/02640414.2021.1886699

Predictors of upper respiratory tract symptom risk: Differences between elite rugby union and league players
Lauren Catherine Keaney, Andrew E. Kilding, Fabrice Merien, David M. Shaw, Robert J. Borotkanics, Balin Cupples & Deborah K. Dulson
Pages: 1594-1601 | DOI: 10.1080/02640414.2021.1888430

Physical Activity, Health and Exercise

Open Access
Cross-sectional associations between 24-hour activity behaviours and mental health indicators in children and adolescents: A compositional data analysis
Stuart J. Fairclough, Richard Tyler, Jack R. Dainty, Dorothea Dumuid, Cassandra Richardson, Lee Shepstone & Andrew J. Atkin
Pages: 1602-1614 | DOI: 10.1080/02640414.2021.1890351

Sports Performance

The influence of anthropometric variables, body composition, propulsive force and maturation on 50m freestyle swimming performance in junior swimmers: An allometric approach
Marcos A. M. dos Santos, Rafael S. Henrique, Marlene Salvina, Artur Henrique Oliveira Silva, Marco Aurélio de V. C. Junior, Daniel R. Queiroz, Michael J. Duncan, José A. R. Maia & Alan M. Nevill
Pages: 1615-1620 | DOI: 10.1080/02640414.2021.1891685

Physical Activity, Health and Exercise

Working memory network plasticity after exercise intervention detected by task and resting-state functional MRI
Lina Zhu, Xuan Xiong, Xiaoxiao Dong, Yi Zhao, Adam Kawczyński, Aiguo Chen & Wei Wang
Pages: 1621-1632 | DOI: 10.1080/02640414.2021.1891722

Sports Performance

Open Access
A systematic review of small sided games within rugby: Acute and chronic effects of constraints manipulation
Marco Zanin, Jayamini Ranaweera, Joshua Darrall-Jones, Dan Weaving, Kevin Till & Gregory Roe
Pages: 1633-1660 | DOI: 10.1080/02640414.2021.1891723

Sports Medicine and Biomechanics

Kinetic and kinematic synchronization between blind and guide sprinters
Ryu Nagahara
Pages: 1661-1668 | DOI: 10.1080/02640414.2021.1891739

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