Skip to main content

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.