External Loads in Under-12 Players during Soccer-7, Soccer-8, and Soccer-11 Official Matches

Mario Sanchez, Rodrigo Ramirez-Campillo, Daniel Hernandez, Manuel Carretero, Jesus Maria Luis-Pereira and Javier Sanchez-Sanchez
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Mario Sanchez: Research Group Planning and Assessment of Training and Athletic Performance, Universidad Pontificia de Salamanca, 37007 Salamanca, Spain
Rodrigo Ramirez-Campillo: Human Performance Laboratory, Department of Physical Activity Sciences, Universidad de Los Lagos, Osorno 5290000, Chile
Daniel Hernandez: Faculty of Education, Universidad Pontificia de Salamanca, 37007 Salamanca, Spain
Manuel Carretero: Research Group Planning and Assessment of Training and Athletic Performance, Universidad Pontificia de Salamanca, 37007 Salamanca, Spain
Jesus Maria Luis-Pereira: Faculty of Education, Universidad Pontificia de Salamanca, 37007 Salamanca, Spain
Javier Sanchez-Sanchez: Research Group Planning and Assessment of Training and Athletic Performance, Universidad Pontificia de Salamanca, 37007 Salamanca, Spain

IJERPH, 2021, vol. 18, issue 9, 1-8

Abstract: The aim of this study was to compare the external loads (i.e., displacement distances and velocities) of 10–11 years-old soccer players during Soccer-7 (i.e., seven-a-side), Soccer-8 (i.e., eight-a-side), and Soccer-11 (i.e., eleven-a-side) official matches. Male athletes ( n = 133; age, 10.9 ± 0.8 years) were measured during official matches for total distance (TD), relative distance (Drel), maximal velocity (Vmax), acceleration (ACC), deceleration (DEC), and absolute and relative distance covered at different velocities. Data during matches were collected using a Global Positioning System unit. Greater TD was recorded during Soccer-11 compared to Soccer-7 and Soccer-8 ( p < 0.01), and greater Drel during Soccer-11 compared to Soccer-8 ( p < 0.05). Absolute ACC was greater during Soccer-11 compared to Soccer-7 ( p < 0.01), although relative values for %ACC and %DEC were greater during Soccer-7 and Soccer-8 compared to Soccer-11 ( p < 0.01). Globally, results show that Soccer-11 matches induce greater external loads compared to Soccer-7 and Soccer-8 matches. Current results may help coaches and soccer-related organizers to plan more suited soccer competitions for young players, with lower external loads.

Keywords: children; youth sports; fatigue; injuries; physical exercise (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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