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Positional Differences in Elite Basketball: Selecting Appropriate Training-Load Measures.

Luka Svilar, Julen Castellano, Igor Jukic

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    This summary is machine-generated.

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    Keywords:
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    Area of Science:

    • Sports science and biomechanics.
    • Basketball performance analysis.
    • Athlete load monitoring.

    Background:

    • Understanding the relationship between external training load and internal responses is crucial for optimizing performance and preventing injuries in elite athletes.
    • Different playing positions in basketball have unique physical demands that may influence their training load profiles.
    • Previous research has explored various training load metrics, but a comprehensive analysis of their interrelationships across different positions is needed.

    Purpose of the Study:

    • To investigate the structural interrelationships among external training load measures in elite basketball.
    • To determine how these interrelationships vary across different playing positions (guards, forwards, centers).
    • To identify key external load variables that should be prioritized for monitoring in each position.

    Main Methods:

    • Principal component analysis (PCA) was employed to analyze eight external load variables (jumping, acceleration, deceleration, change of direction) and two internal load variables (RPE, session RPE).
    • Data were collected from 13 professional basketball players across 300 training sessions.
    • High and total external variables were used, with Varimax rotation applied for factor extraction.

    Main Results:

    • All playing positions exhibited 2 or 3 principal components, explaining most of the variance in training load.
    • Specific combinations of external load variables were identified as crucial for centers (total acceleration, total deceleration, total change of direction, high jump), guards (high acceleration, total acceleration, total change of direction, high jump), and forwards (total acceleration, high deceleration, total deceleration, high change of direction, total change of direction).
    • Rating of perceived exertion (RPE) and session RPE showed a strong correlation with total acceleration, deceleration, and change of direction across all positions, indicating that internal responses align with overall movement demands.

    Conclusions:

    • A unique set of external load measures is necessary to accurately describe the training load for each basketball playing position.
    • Recognizing these position-specific load profiles is essential for effective athlete monitoring and understanding individual internal responses.
    • Prioritizing key external load variables based on playing position can enhance the precision of training load management in elite basketball.