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Serum creatine kinase before and after a marathon run (n=16).
Notes: *P<0.05 – significant difference compared to PRE. Gray lines indicate individual subject results and bar graph indicates the group mean with SD values.
Abbreviations: PRE, blood sampling done 4 days before the marathon race; POST1, blood sampling done 1 day after the marathon race; POST2, blood sampling done 1 day after the marathon race; POST3, blood sampling done 3 days after the marathon race.
