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DEĞİŞİK EFOR DÜZEYLERİNDE EKSTRASELLULER KAN LAKTADI İLE TOTAL KAN LAKTADI ARASINDAKİ FARKLAR VE UYGULAMADAKİ ÖNEMİ

Diferences between extracellular and blood lactate concentrations at various exercise intencities, and its importance in the application.

Journal Name:

  • Hacettepe Üniversitesi Spor Bilimleri Dergisi

Publication Year:

  • 1993
Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
In this study, extracellular and total blood lactate differences were investigated on various levels in twelve male track and field athletes. Significant differences had been found on each level (p<0.0001 andp<0.0005). It was shown that differences between extracellular lactate and total blood lactate levels rose by the increase in extracellular lactate levels. Thus, there was a significant difference between extracellular lactate and total blood lactate values when the lactic acid levels were at the maximum. After running twenty minutes at the speed of "4 mM/L lactate threshold" determined by the extracellular lactate analysis, average extracellular lactate level was 7.375 mM/L (total blood lactate: 9.35 mM/L). These results were not in the range of steady state limits. For that reason extracellular lactate analyzes are not appropiate for the determination of 4 mM/L lactate threshold. On the other hand, after completing this process of twenty minutes at the speed of 4 mM/L lactate threshold, determined by the analysis of total blood lactate, average total blood lactate level was 3.967 mM/L (extracellular lactate: 3.075 mM/L) and these results were in the range of steady state levels. Therefore, it was concluded that, 4mM/L lactate threshold should be determined by analysing total blood lactate.
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Abstract (Original Language): 
Bu çalışmada, 12 erkek atlette değişik düzeylerde ekstrasellüler kan laktadı (ESL)ile total kan laktadı (TKL) arasındaki farklar incelendi. Her düzeyde, ESL ile TKL arasında istatistik/ olarak anlamlı farklar bulundu (P<0.0001 ve p<0.0005). ESL düzeyi arttıkça, ESL ve TKL arasındaki fark artarak, maksimum laktik asit düzeylerinde de önemli bir seviyeye ulaşmaktadır (ort. 14.69 mM/L'ye karşın 21.9 mM/ L). ESL ile tesbit edilen "4 mM/L laktat eşiği" hızında 20 dakika koşudan sonra ESL değeri ortalama 7.375 mM/L (TKL: 9.35 mM/L) bulunmuştur. Bu değerler, ESL ile tesbit edilen 4 mM/L laktat eşiğinin steady state değerlerine uymadığını gösterir. Oysa ki, TKL'ye göre tesbit edilen 4 mM/L laktat eşik hızında 20 dakika koşu sonrası TKL değeri 3.967 mM/L (ESL: 3.075 mM/L) olarak saptanmıştır. Bu değerler steady state değerlerine uygundur. Bundan dolayı, 4 mM/L laktat eşiği TKL ile tesbit edilmelidir
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  • 2
3-11
  • Turkish

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