The relationship between the heart rate deflection point test and maximal lactate steady state

The aim of this study was to investigate the use of the Heart Rate Deflection Point Test (HRDP) in the determination of the velocity at the Maximal Lactate Steady State (MLSS). Fifteen untrained male participants took part in a 3000-m running performance on a 400-m track. The volunteers performed an...

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Bibliographic Details
Published inThe Journal of sports medicine and physical fitness Vol. 56; no. 5; p. 497
Main Authors DE Assis Pereira, Paulo E, Piubelli Carrara, Vitor K, Mello Rissato, Gustavo, Pereira Duarte, João M, Fernandes Guerra, Ricardo L, Silva Marques DE Azevedo, Paulo H
Format Journal Article
LanguageEnglish
Published Italy 01.05.2016
Subjects
Adult
Anaerobic Threshold - physiology
Exercise Test - methods
Healthy Volunteers
Heart Rate - physiology
Heart Rate Determination
Humans
Lactic Acid - blood
Male
Predictive Value of Tests
Running - physiology
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Summary:The aim of this study was to investigate the use of the Heart Rate Deflection Point Test (HRDP) in the determination of the velocity at the Maximal Lactate Steady State (MLSS). Fifteen untrained male participants took part in a 3000-m running performance on a 400-m track. The volunteers performed an incremental test for HRDP determination. The third test was constant velocity, which lasted around 30 minutes and was based around HRDP for MLSS determination. Performance velocity at HRDP was strongly correlated with the MLSS running velocity (r=0.84; R2=0.71; P<0.0001). HRDP running velocity (mean±SD 9.0±1.3-km.h-1) was not significantly different (P>0.05) from MLSS velocity (9.3±1.3km.h-1). A high agreement was observed between methods (Bland and Altman analysis) with a mean error of 0.47 km.h-1. We can conclude that the HRDP was able to predict MLSS velocity.
ISSN:1827-1928