Analyzing a full season of training load monitoring based on distance in Iranian Premier League Soccer players

Author:

Farhani Farid1,Gharakhanlou Reza1,Aghaalineghad Hamid1,Amani-Shalamzari Sadegh2

Affiliation:

1. Tarbiat Modares University

2. Kharazmi University

Abstract

Abstract The present study was designed to investigate two aspects. Firstly, analysis of variations in acute load, chronic load, acute-chronic load ratio, monotony, and training strain during the preseason (PS), first and second half of the season (1st HS, 2nd HS). Secondly, comparing these indicators of training load in players' positions. Twenty-two elite soccer players from the Premier League of Iran (age: 27.2 4.5 years, professional experience: 6.2 4.3 years) were involved in this study. Players were monitored daily for 45 weeks through an 18 Hz global positioning system (GPS), to gather data on distance running (total running), distance running at 14 km/h (moderate intensity running), and distance running at a speed above 19.8 km/h (high-intensity running). One-way analysis of variance, followed by Tukey HSD post hoc test to analyze data. The pre-season has a significantly higher amount of acute load, chronic load, monotony and training strain, total running, and moderate-intensity running than the first half (p < 0.05) and the second half (p < 0.05). When comparing these training load indicators for high-intensity running, a significant difference was only observed between the PS and the 2nd HS (p 0.05, moderate ES). Also, no significant differences were observed between positions in total running and moderate intensity running. However, training load indices based on high-intensity running between positions showed external defenders vs center backs (p < 0.05), midfielders (p < 0.05) and strikers (p < 0.05) were significantly different. Furthermore, wingers had a significant difference in high-intensity running compared to central defenders (p < 0.05) and midfielders (p < 0.05). To conclude, this study demonstrated that acute load, chronic load, monotony, and training strain were more prevalent in the pre-season and slowly decreased during the season. External defenders and wingers experienced more acute load, chronic load, monotony, and training strain for high-intensity running during the season compared to other positions. Therefore, the results indicate that pre-season had a higher physical load than competition season, and players' positions experienced varying physical loads.

Publisher

Research Square Platform LLC

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