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Table 3 Physiological and perceptual data obtained data obtained at lactate threshold (LT) and onset of blood lactate accumulation (OBLA)

From: Relationship between perceived exertion and blood lactate concentrations during incremental running test in young females

  UT DR RW
Variables    
at LT    
VO 2 (ml kg-1 min-1) 19.5±3.1 43.6±4.0** 34.8±3.3**#
%VO2max (%) 55.3±6.0 77.0±3.6** 70.8±2.3**#
HR (beats min-1) 137±14.1 162±12.3** 159±9.7**
RER 0.95±0.04 0.91±0.02** 0.89±0.02**
bLa (mM) 1.7±0.6 1.4±0.4 1.5±0.3
RPE 11.2±1.5 12.3±1.6* 13.0±1.6*
CR-10 3.18±0.87 3.40±0.83 3.83±1.17
at OBLA    
VO2 (ml kg-1 min-1) 30.6±3.2 53.0±4.0** 47.5±3.8**
%VO2max (%) 87.4±9.4 93.7±3.0* 96.7±4.1*
HR (beats min-1) 180±9.4 180±3.0 185±7.4
RER 1.04±0.02 0.99±0.02* 0.98±0.01*
RPE 15.6±2.1 16.7±1.8 16.9±1.8
CR-10 5.8±1.5 7.0±1.3* 6.8±1.6
  1. Data are mean ± SD. UT; untrained control, DR; distance runners, RW; race walkers, VO2; oxygen uptake, HR; heart rate, RER; respiratory exchange ratio, bLa; blood lactate concentration, CR-10; category- ratio scale of RPE, and RPE; ratings of perceived exertion. * and **vs. UT (p < 0.05 and p < 0.01), and #vs. DR (p < 0.01), respectively.