Locomotor activities and subjective load differences between professional youth soccer players and professional development loans: A comparative analysis

Abstract

This study quantified and compared the weekly locomotor activity and subjective load between elite and development loan youth soccer players registered to a primary club. Development loan players were loaned to a lower-league club and trained part-time with their loan club whilst being available for development fixtures and training with the primary club. Data were collected in 16 squad players and 4 development loan players at loan clubs across a 41 week competitive phase of the 2018/2019 season. Analysis was completed on total distance (m), PlayerLoadTM (au), low intensity running (<14.4 km·h−1, m), running (19.8–24.98 km·h−1, m), sprinting (>24.98 km·h−1, m), accelerations (>2 m·s−2 count) and decelerations (<−2 m·s−2, count). Point estimates for the development loan players consistently showed lower weekly values than squad players for all variables ranging from 5.2% (weekly sRPE) to 16.8% (weekly sprint distance covered). Differences, however, were not found to be statistically significant ( p ≥ 0.07). Variance ranged from 23.6% (weekly distance) to 37.7% (weekly high-intensity accelerations). Although the goals of a development loan are likely to be multifactorial, this is the first study to quantify and compare locomotor activities and subjective loading of players within the development loan environment.

ARTICLE RETRACTED DUE TO PLAGIARISM BY THE AUTHOR Comprehensive development of physical qualities of football players in the preparatory period

“…Several studies have shown that football classes educate schoolchildren in such qualities as will, courage, determination, courage, self-control and a sense of camaraderie. Football classes contribute to improving the physical fitness of schoolchildren -the development of strength, speed, endurance, flexibility, dexterity and coordination abilities (Alesi et al, 2016;Kim & Irmatov, 2020;Strykalenko et al, 2021;Craig et al, 2022;Uralov, 2022;Yang & Chen, 2022). For a football player, it is necessary to develop all physical qualities, especially during the preparatory period of training (Alesi et al, 2016;Uralov, 2022).…”