“Meta-Analysis Finds Unclear Practical Application of Fatigue Measures in Professional Rugby Union, Despite Usefulness of Muscle Soreness Self-Reports”

https://pubmed.ncbi.nlm.nih.gov/38114782

A systematic review and meta-analysis of fatigue testing in professional rugby union found that subjective measures of muscle soreness can be useful in assessing fatigue after match play and training, but the practical application of other measures such as countermovement jump height, biochemical markers, and heart rate-derived measures is unclear due to high variability.