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Relationship between power and sprint performance and blood lactate level after the maximal anaerobic test in high-school sprinters and jumpers

Year: 2020
Type: article
Study design: Observational Study
Abstract: Although the blood lactate level (BLa) during or after sprinting for medium to long distances (ex. 400-m or 800-m) has been recently examined in detail, few studies have reported the BLa after maximal exercise for a shorter duration to clarify the association of anaerobic glycolytic capability with sprinting for shorter distances (ex.100-m). In this study, the peak BLa in both sexes after the maximal anaerobic power test were investigated in 55 high-school sprinters and high and long jumpers. The maximal anaerobic power (MP) was calculated from peak power values generated during maximal pedaling for 10 seconds with three different loads on a cycle ergometer. In addition, the 30-m sprint time was measured using infrared sensors. No significant difference between the sprinters and jumpers was found in MP in terms of the relative values to body mass (BM) or fat-free mass (FFM). The peak BLa after the power test was 11 to 12 mmol/L except in female high jumpers, and no difference was found among the athletic event groups. FFM was highly correlated (r ＝ 0.85) with the MP and an equation of MP ＝ 16.833 × FFM-48.252 was derived. The MP corrected by BM and FFM was significantly correlated with the peak BLa. In males, the differences between MP measured by the power test and that calculated using the equation exhibited moderate but significant positive and negative correlations with the peak BLa and 30-m sprint time, respectively. This suggests that maximal power that highschool sprinters and jumpers can generate within 10 seconds depends on the FFM and anaerobic glycolysis, and this may positively affect short-distance sprinting in males.
DOI: 10.34349/00001012
Language: English
Field: Medicine
Open Access status: green
OpenAlex ID: W3089111969
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