Changes in lactate, ferritin, and uric acid in saliva after repeated explosive effort sequences

The Journal of Sports Medicine and Physical Fitness
Lorena Franco-MartínezPedro Jiménez-Reyes

Abstract

The aim of the present study was to evaluate the changes in a panel of biomarkers including lactate, ferritin, and uric acid in saliva of untrained and trained subjects after repeated explosive effort sequences, and to analyze the differences in interpretation of these biomarkers depending on the way the data is expressed (without any correction or corrected by protein content or flow). Eighteen volunteers (11 untrained and 7 trained) performed 8 consecutive explosive effort sequences (60-meters sprints). Blood and saliva samples were collected before and after each sequence. Salivary data was analyzed as absolute concentration and after correcting by their protein content and flow. Lactate in saliva showed increases with acute exercise, being these increases of higher magnitude in non-trained subjects. In addition, when corrected by total protein, lactate in saliva correlates with blood lactate in non-trained subjects. Ferritin and uric acid in saliva did not show changes after the effort sequences. From the biomarkers evaluated, the measurement of lactate in saliva corrected by total protein could be useful for the assessment of fatigue induced during repeated explosive effort sequences and could be potentially used as a non-...Continue Reading

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Citations

Feb 9, 2021·Clinical Chemistry and Laboratory Medicine : CCLM·Andrea VernerováFrantišek Švec

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