Practical
Training Load Ratio (ACWR)
Calculate acute:chronic workload ratio (ACWR) to manage injury risk
The Acute:Chronic Workload Ratio (ACWR) measures recent training load vs rolling chronic load. Loading too much too fast is a primary cause of overuse injuries.
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Tip: The 10% rule: do not increase weekly training volume by more than 10% per week.
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Fun Fact
Tim Gabbett’s research found rugby players with ACWR >1.5 had 2-4x the injury rate vs those in the 0.8-1.3 range.
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