Table 1 General characteristics of the sample.

From: Acute effect of high-definition and conventional tDCS on exercise performance and psychophysiological responses in endurance athletes: a randomized controlled trial

Variables

Reproducibility phase (n = 16)

Experimental phase (n = 12)

Age (years)

30.3 ± 8.2

29.4 ± 7.3

Body mass (kg)

72.8 ± 9.2

72.0 ± 7.9

Height (m)

1.74 ± 0.05

1.74 ± 0.06

Body mass index (kg/m2)

24.01 ± 2.77

23.75 ± 2.29

Fat-free mass (kg)

56.16 ± 5.74

56.13 ± 5.52

Fat mass (kg)

14.02 ± 5.19

13.27 ± 3.67

Body fat (%)

19.49 ± 5.19

18.93 ± 3.92

Training sessions (days/week)

4.8 ± 1.68

4.9 ± 1.7

Training duration (min/day)

123.8 ± 42.2

125.0 ± 35.8

Training experience (years)

8.12 ± 6.85

6.87 ± 4.88

Resting heart rate (bpm)

48.6 ± 5.5

47.4 ± 3.8

Resting VO2 (ml kg−1 min−1)

4.13 ± 0.98

4.00 ± 0.62

Maximum heart rate (bpm)

187.0 ± 8.3

185.6 ± 7.6

Maximum VO2 (ml kg−1 min−1)

60.13 ± 4.91

60.15 ± 5.09

Peak power output (W)

340.1 ± 53.2

334.6 ± 53.0

80% of peak power output (W)

272.0 ± 42.6

267.6 ± 42.4

  1. Note: data are presented as mean ± standard deviation; VO2 = oxygen uptake.
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