Physical Activity, Health and Exercise
Open Access
The school playground environment as a driver of primary school children’s physical activity behaviour: A direct observation case study
Michael Graham, Matthew Wright, Liane B. Azevedo, Tom Macpherson, Dan Jones & Alison Innerd
Pages: 2266-2278 | DOI: 10.1080/02640414.2021.1928423
Sports Medicine and Biomechanics
The effect of approach velocity on pelvis and kick leg angular momentum conversion strategies during football instep kicking
Simon Augustus, Penny E. Hudson & Neal Smith
Pages: 2279-2288 | DOI: 10.1080/02640414.2021.1929008
Open Access
Influence of simulated hip muscle weakness on hip joint forces during deep squatting
Hiroshige Tateuchi, Momoko Yamagata, Akihiro Asayama & Noriaki Ichihashi
Pages: 2289-2297 | DOI: 10.1080/02640414.2021.1929009
The role of exercise selection in regional Muscle Hypertrophy: A randomized controlled trial
Aitor Zabaleta-Korta, Eneko Fernández-Peña, Jon Torres-Unda, Arkaitz Garbisu-Hualde & Jordan Santos-Concejero
Pages: 2298-2304 | DOI: 10.1080/02640414.2021.1929736
Biomechanical analysis of two runners who developed leg injuries during a six-week transition to maximal running shoes: A case series
J. J. Hannigan & Christine D. Pollard
Pages: 2305-2311 | DOI: 10.1080/02640414.2021.1930683
Sports Performance
Open Access
A Role for Trunk Function in Elite Recumbent Handcycling Performance?
Rafael Muchaxo, Sonja De Groot, Ingrid Kouwijzer, Lucas Van Der Woude, Thomas Janssen & Carla F.J. Nooijen
Pages: 2312-2321 | DOI: 10.1080/02640414.2021.1930684
The influence of randomness on goals in football decreases over time. An empirical analysis of randomness involved in goal scoring in the English Premier League
Fabian Wunderlich, Alessandro Seck & Daniel Memmert
Pages: 2322-2337 | DOI: 10.1080/02640414.2021.1930685
Physical Activity, Health and Exercise
Effects of regular exercise on inflammasome activation-related inflammatory cytokine levels in older adults: a systematic review and meta-analysis
Yijian Ding & Xi Xu
Pages: 2338-2352 | DOI: 10.1080/02640414.2021.1932279
Model invariance of the Motor Competence Assessment (MCA) from early childhood to young adulthood
Luis P. Rodrigues, Rita Cordovil, Carlos Luz & Vitor P. Lopes
Pages: 2353-2360 | DOI: 10.1080/02640414.2021.1932290
Sports Performance

The influence of technique and physical capacity on ball release speed in cricket fast-bowling
Nathan Kiely, Libby Pickering Rodriguez, Mark Watsford, Thomas Reddin, Sean Hardy & Rob Duffield
Pages: 2361-2369 | DOI: 10.1080/02640414.2021.1933349
Sports Medicine and Biomechanics
Effects of Nordic hamstring exercise combined with glider exercise on hip flexion flexibility and hamstring passive stiffness
Rok Vatovec, Jan Marušič, Goran Marković & Nejc Šarabon
Pages: 2370-2377 | DOI: 10.1080/02640414.2021.1933350
Sports Performance
Modelling performance with exponential functions in elite short-track speed skaters
Fabio Borrani, Robert Solsona, Robin Candau, Thibaut Méline & Anthony MJ Sanchez
Pages: 2378-2385 | DOI: 10.1080/02640414.2021.1933351