Table 1.
Physiological variables (mean ± standard deviation) in beetroot juice (BJ) and placebo (PLA) conditions in a 2 x 6 x 100m swim test.
Block 1
2nd
4th
6th
Rest
Lactate
BJ
4.93 ± 1.95
*
7.31 ± 2.60
#
*
8.99 ± 2.67
#
*
8.15 ± 2.97
PLA
5.67 ± 2.20
*
7.14 ± 2.70
*
8.36 ± 2.21
#
7.27 ± 2.48
*
#
Heart rate
BJ
157.29 ± 12.11
114.29 ± 10.61
#
PLA
154.71 ± 21.75
110.71 ± 9.13
#
Block 2
Lactate
BJ
9.56 ± 3.32
10.16 ± 3.77
11.05 ± 3.81
9.77 ± 4.28
PLA
9.11 ± 2.96
9.09 ± 2.67
9.91 ± 4.10
9.23 ± 3.64
Heart rate
BJ
160.06 ± 21.33
110.71 ± 9.13
#
PLA
157.24 ± 13.35
111 ± 9.9
#
* Different values (p<0.05) than block 2 in the same condition.
# Different values (p<0.05) from previous repetition in the same block and condition.