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3.8 What's the Workload score, how is calculated and how to make an analysis in Workload Analysis

This article explains how the Workload Score is calculated and how to make an analysis in Workload Analysis.

INTRODUCTION

 



  • What's the WL Score

 

HOW TO CALCULATE THE WORKLOAD SCORE (PART 1)

 



  • 00.00: mandatory operations to do if you want to use the WL Score
  • 00.40: how default metrics are divided into lead categories
  • 01.17: step 1, the root mean square of the default metrics
  • 01.35: step 2, the root mean square of all the load categories

 

HOW TO CALCULATE THE WORKLOAD SCORE (PART 2) + ANALYSIS

 

 

  • 00.00: how the load categories are displayed in WL analysis
  • 00.22: how the WL score is calculated
  • 01.10: how the intensity is calculated
  • 01.50: drill analysis
  • 01.57: period analysis

 

DESCRIPTION

 

Introduction to the Workload Score

The Workload Score is an algorithm used in workload analysis that assigns a semantic value to all GPS metrics and performance data collected during training sessions or games. This score provides coaches with final feedback on player performance during a specific session or match.

For example, some players may have a low, medium, high, very high, maximal or supermaximal workload.

How the Workload Score is Calculated

To use the Workload Score, some preliminary steps are required:

  1. Setting Default Metrics: In the settings, you need to define the default metrics. It’s important to note that there is no mandatory default metric. If you don’t define a default metric or if a metric is not included in a session, the system will simply ignore it.

  2. Setting the thresholds for the game day: This operation is performed in the Players > My Team > Player Card > Thresholds section.

If these 2 steps are not completed, the Workload Score cannot be used.


 

Below is how the Workload Score is calculated

  1. Load Categories: Default metrics are divided into load categories: Perceived, Cardio, Kinematic, Metabolic, and Mechanical.

    • When importing a session or game, the system calculates a percentage based on the players' thresholds. For example, if a player covers 5 km of total distance and the threshold is 10 km, the percentage will be 50%.

  2. Workload Score Calculation:

    • Step 1: A root mean square is calculated for all metrics included in each load category. This process generates a percentage for each category.

    • Step 2: Another root mean square is applied to the percentages of all load categories, resulting in a final percentage that represents the overall outcome of the training session or game.

    • Final Result: The final percentage is converted into a number (e.g., 20% = 1, 40% = 2, 60% = 3, etc.). This number determines the workload level: low (from 0 to 1), medium (from 1 to 2), high (from 2 to 3), very high (from 3 to 4), maximal (from 4 to 5), or supermaximal (over 5).

  3. Intensity (Red Dot): In the chart, a red dot represents intensity. This data is not linked to the Workload Score or load categories but is calculated separately using two default metrics specific to intensity.


Drills and Period Analysis

The same Workload Score calculation can also be applied to individual drills and period analysis. Specifically, the Period Analysis allows you to analyze the cumulative load over a selected period, time on target, workload distribution, and stress balance by comparing the Workload Score with the readiness algorithm or advanced analyses such as the EWMA acute/chronic ratio.