1. Return to Play and Fracture Union After the Surgical Management of Jones Fractures in Athletes: A Systematic Review and Meta-analysis. Attia AK, Taha T, Kong G, Alhammoud A, Mahmoud K, Myerson M. Orthopedic Surgery Department, Hamad Medical Corporation, Doha, Qatar. Systematic review following the PRISMA guidelines of...

1. Attacking Key Performance Indicators in Soccer: Current Practice and Perceptions from the Elite to Youth Academy Level. Herold M, Kempe M, Bauer P, Meyer T Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany. Attacking Key Performance Indicators (KPIs) are used to evaluate the offensive success...

¡THEORETICAL FRAMEWORK Soccer is a team sport characterized by prolonged high-intensity intermittent efforts (Mohr et al., 2003). During match-play, players perform approximately 200 actions at high-intensity (Mohr et al., 2003). Besides running and sprinting, players perform numerous high physically demanding activities such as directional changes, dribbling,...

1. Effects of Caffeine Supplementation on Physical Performance of Soccer Players: Systematic Review and Meta-Analysis. Ferreira RES, Pacheco RL, de Oliveira Cruz Latorraca C, Riera R, Eid RG, Martimbianco ALC.  Centro Universitário São Camilo, São Paulo, SP, Brazil. This systematic review with meta-analysis of 16 Randomized clinical trials...

1. Effects of Different Recovery Times on Internal and External Load During Small-Sided Games in Soccer.  Branquinho L, Ferraz R, Travassos B, Marinho DA, Marques MC.  Department of Sports Sciences, University of Beira Interior, Covilhã, Portugal. To identify the effects of different recovery times on internal and external...

1. Vertical Force-velocity Profiling and Relationship to Sprinting in Elite Female Soccer Players. Manson SA, Low C, Legg H, Patterson SD, Meylan C. Department for Physical Performance, Canadian Soccer Association, Ottawa, Canada. 39 international female soccer players performed 40-m sprints, maximal countermovement jumps and loaded squat jumps at...

1. SARS-CoV-2 transmission during rugby league matches: do players become infected after participating with SARS-CoV-2 positive players? Ben Jones, Gemma Phillips, Simon Kemp, Brendan Payne, Brian Hart, Matthew Cross, Keith A Stokes. Carnegie Applied Rugby Research (CARR) centre, Carnegie School of Sport, Leeds Beckett University, Leeds, UK...