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An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

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Assessing Variations in Positional Performance across Age Groups and during Matches in Youth Association Football

Quanchen Liu¹, Zhuhang Huang¹, Diogo Coutinho^2,3

¹China Football College, Beijing Sport University, Beijing 100084, China.

Sensors (Basel, Switzerland)

|July 27, 2024

Summary

Under-13 football players struggle with sustained synchronization and spatial awareness during matches, unlike under-15 players. Tailoring competition formats to age-specific needs is crucial for youth player development.

Keywords:

collective behaviour global position system tactical analysis youth players

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Area of Science:

Sports Science
Youth Football Performance Analysis
Developmental Biomechanics

Background:

Understanding positional play dynamics in youth football is essential for optimizing player development.
Previous research has not fully elucidated age-specific variations in tactical performance during matches.

Purpose of the Study:

To investigate positional performance differences between under-13 (U13) and under-15 (U15) male youth football players.
To analyze how performance metrics change throughout a match half in different age groups.

Main Methods:

Utilized global positional system data from 160 outfield players (80 U13, 80 U15) across eight matches per group.
Assessed near-in-phase synchronization, spatial exploration index, and distances to nearest opponents/teammates.
Segmented match halves into three periods to analyze temporal changes in performance.

Main Results:

U13 players showed decreased synchronization and spatial exploration, with reduced distance to opponents as the match progressed.
U15 players exhibited changes later in the half, with decreased synchronization but increased distance to opponents.
Significant differences in speed synchronization were observed between U13 and U15 players throughout the match.

Conclusions:

Extended match durations may be detrimental to the learning environment for U13 players.
U15 players demonstrate greater tactical maturity and adaptability over time.
Recommendations are made to adapt youth football competition structures to age-specific developmental needs for enhanced learning and performance.