Blood Lactate Dynamics Reveal Distance-Specific Anaerobic Demands in 400 m Sprint Training
Source abstract
Abstract
This study aimed to determine how anaerobic energy systems are activated during 350 m and 500 m running tests to identify which distance may more effectively develop special endurance for the 400 m run. Eleven elite male 400 m sprinters (6 in the 350 m group and 5 in the 500 m group) participated in the study. Plasma lactate levels were measured at several time points: before starting, after warm-up, immediately before the test, and 1, 3, 12, 20, and 40 min post-exercise. Blood lactate concentration ([La−]) was determined using the enzymatic Sentinel test (Italy). A difference in blood lactate concentration between groups was observed, reaching statistical significance at the 3 min post-exercise time point, although no significant changes were observed at other time points. The 350 m trial was associated with higher peak lactate levels, suggesting a greater acute anaerobic demand, while the 500 m trial required a longer recovery period for lactate clearance and return to homeostasis.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Sports Performance and Training · Cardiovascular and exercise physiology · Muscle metabolism and nutrition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Track and Field, Wroclaw University of Health and Sport Sciences, al. Ignacego Jana Paderewskiego 35, 51-612 Wrocław, Poland
Department of Biological and Motor Bases of Sports, Wroclaw University of Health and Sport Sciences, al. Ignacego Jana Paderewskiego 35, 51-612 Wrocław, Poland
Department of Individual and Team Physical Activities, Wroclaw University of Health and Sport Sciences, al. Ignacego Jana Paderewskiego 35, 51-612 Wrocław, Poland
Faculty of Physical Education, Jozef Pilsudski University of Physical Education in Warsaw, Marymoncka 34, 00-968 Warsaw, Poland
Funding
University of Health and Sport Sciences in Wroclaw, Poland
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