Accelerometry-Workload Indices Concerning Different Levels of Participation during Congested Fixture Periods in Professional Soccer: A Pilot Study Conducted over a Full Season
Open Access
- 28 January 2021
- journal article
- research article
- Published by MDPI AG in International Journal of Environmental Research and Public Health
- Vol. 18 (3), 1137
- https://doi.org/10.3390/ijerph18031137
Abstract
The aim of this study was to analyze the variations of acute load (AL), acute: chronic workload ratio (ACWR), training monotony (TM), and training strain (TS) of accelerometry-based GPS measures in players who started in three matches (S3M), two matches (S2M), and one match (S1M) during congested weeks. Nineteen elite professional male players from a Portuguese team (age: 26.5 ± 4.3 years) were monitored daily using global positioning systems (GPSs) over a full season (45 weeks). Accelerometry-derived measures of high metabolic load distance (HMLD), high accelerations (HA), and high decelerations (HD) were collected during each training session and match. Seven congested weeks were classified throughout the season, and the participation of each player in matches played during these weeks was codified. The workload indices of AL (classified as ACWR, TM, and TS) were calculated weekly for each player. The AL of HMLD was significantly greater for S2M than S1M (difference = 42%; p = 0.002; d = 0.977) and for S3M than S1M (difference = 44%; p = 0.001; d = 1.231). Similarly, the AL of HA was significantly greater for S2M than S1M (difference = 25%; p = 0.023; d = 0.735). The TM of HD was significantly greater for S2M than S3M (difference = 25%; p = 0.002; d = 0.774). Accelerometry-based measures were dependent on congested fixtures. S2M had the greatest TS values, while S3M had the greatest TM.This publication has 42 references indexed in Scilit:
- Changes in Acceleration and Deceleration Capacity Throughout Professional Soccer Match-PlayJournal of Strength & Conditioning Research, 2016
- Effects of a Very Congested Match Schedule on Body-Load Impacts, Accelerations, and Running Measures in Youth Soccer PlayersInternational Journal of Sports Physiology and Performance, 2015
- Match Running Performance During Fixture Congestion in Elite Soccer: Research Issues and Future DirectionsSports Medicine, 2015
- The energy cost of sprint running and the role of metabolic power in setting top performancesEuropean Journal of Applied Physiology, 2014
- Monitoring Training Load to Understand Fatigue in AthletesSports Medicine, 2014
- Coaches’ and Players’ Perceptions of Training Dose: Not a Perfect MatchInternational Journal of Sports Physiology and Performance, 2014
- Diminutions of acceleration and deceleration output during professional football match playJournal of Science and Medicine in Sport, 2013
- Are Physical Performance and Injury Risk in a Professional Soccer Team in Match-Play Affected Over a Prolonged Period of Fixture Congestion?International Journal of Sports Medicine, 2011
- Effect of 2 Soccer Matches in a Week on Physical Performance and Injury RateThe American Journal of Sports Medicine, 2010
- Energy Cost and Metabolic Power in Elite SoccerMedicine & Science in Sports & Exercise, 2010