The question of how games should be taught is still a controversial subject. There has been
a growing number of studies on teaching games and coaching sports since the first …

Background During the past decade, an extensive body of work has documented the
Constraints-Led Approach (CLA) as a prominent methodology for developing collective …

A player's sports development involves a long process. The modification of rules for youth
players seeks to adapt the sport to the child and his/her development. The manipulation of …

The aim of this study was to analyze the technical and tactical offensive and defensive
actions of the goalkeepers and to determine the relationship between these actions and the …

Adapting competitions to young players' characteristics is an important pillar in the optimal
teaching–learning process. The objective of the present study is to analyze the effect of …

Athletes, both professional and amateur, are always looking for ways to improve their
performance. With the introduction and increasing availability of modern technologies and …

The aim of the present study was to analyse the influence of the constraints led approach
(CLA) systems, such as the playing space, the number of players and the numerical game …

Objectives The purpose of this study was to assess the short effect of the modification of the
players' number, field size, and goal size on the levels of physical self-efficacy, football …

The use of smart devices to obtain real-time data has notably increased in the context of
training. These technological tools provide data which monitor the external load and …

The question of appropriate game formats for soccer competitions in childhood is intensively
discussed in both research and practice. Therefore, the purpose of the present study was to …