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A series of letters have argued for alternatives to acute:chronic workloads or the methods by which the ratio is calculated when predicting injury risks. Based on the hypothetical data presented by Menaspa,1 Williams et al,2 argue that an exponentially weighted moving average (EMWA) to emphasise the importance of workloads towards the end of the calculation cycle may be more appropriate. A case is presented in one example (athlete 3) where EWMA calculates a greater injury risk than rolling averages …
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Contributors JAS prepared the first and final drafts; HHKF and AM assisted in developing rationale and final edits.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.