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Player Load and Metabolic Power Dynamics as Load Quantifiers in Soccer.
Pedro Reche-Soto1, Donaldo Cardona-Nieto2, Arturo Diaz-Suarez1
1Department of Physical Activity and Sport, International Campus "Mare Nostrum", University of Murcia, Murcia, Spain.
Journal of Human Kinetics
|November 1, 2019
Summary
Soccer performance analysis using Player Load (PL) and Metabolic Power (MP) reveals performance declines over time and variations by player position and game context. Both metrics are highly correlated, aiding external load quantification.
Area of Science:
- Sports Science
- Biomechanical Analysis
- Soccer Performance Metrics
Background:
- Technological advancements enable objective quantification of soccer performance using load indices like Player Load (PL) and Metabolic Power (MP).
- Understanding these metrics across various match contexts is crucial for effective training program design.
Purpose of the Study:
- To describe Player Load (PL) and Metabolic Power (MP) performance in soccer competition based on player role, match variation, game periods, location, and status.
- To analyze the relationship between Player Load (PL) and Metabolic Power (MP) in soccer players.
Main Methods:
- Analysis of 12 matches from a Spanish Third Division team (2016/2017 season) involving 21 national-level players across various positions.
- Utilized WIMU PRO™ inertial devices for data collection on Player Load (PL) and Metabolic Power (MP).
Main Results:
- Both Player Load (PL) and Metabolic Power (MP) decreased throughout match duration.
- Significant differences in these load indices were observed based on player position, match context (e.g., winning, away games), and game periods.
- A strong correlation was found between Player Load (PL) and Metabolic Power (MP).
Conclusions:
- Contextual variables significantly influence external load demands in soccer.
- Player Load (PL) and Metabolic Power (MP) are related and can be used for external load quantification.
- Individualized training load design requires analysis of competition physical demands.
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