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Table 5 Average performance, cardio-respiratory and perceived exertion data for final 10-min split (21–30 min) during the 30-min TT, including endpoint [La-]b

From: The effect of two β-alanine dosing strategies on 30-minute rowing performance: a randomized, controlled trial

 

βA1

βA2

PL

Variable

T1

T2

T3

T1

T2

T3

T1

T2

T3

Distance (m)

2533 ± 49

2543 ± 43

2552 ± 56

2526 ± 34

2537 ± 39

2534 ± 39

2503 ± 35

2431 ± 44

2503 ± 35

Power (W)

213.4 ± 16.6

206.0 ± 12.1

206.7 ± 14.3

206.2 ± 9.4

207.0 ± 9.5

217.9 ± 10.9

193.2 ± 9.2

180.2 ± 10.9

190.8 ± 11.0

Power (W·kg−1)

2.51 ± 0.12

2.43 ± 0.08

2.44 ± 0.11

2.58 ± 0.13

2.60 ± 0.14

2.72 ± 0.14

2.34 ± 0.09

2.17 ± 0.11

2.30 ± 0.10

HR (b.min− 1)

185 ± 5

189 ± 3

190 ± 3

183 ± 3

183 ± 4

182 ± 3

185 ± 3

184 ± 2

185 ± 3

RPE

9.3 ± 0.2

9.4 ± 0.2

9.7 ± 0.2

9.2 ± 0.3

9.2 ± 0.3

9.3 ± 0.3

8.8 ± 0.4

9.2 ± 0.3

9.6 ± 0.2

VE (L·min−1)

100.4 ± 3.5

105.0 ± 3.3

103.2 ± 3.2

95.0 ± 1.8

96.6 ± 3.5

99.7 ± 2.2

100.6 ± 2.2

98.8 ± 3.0

100.1 ± 2.7

VO2 (L·min− 1)

3.68 ± 0.26

3.75 ± 0.30

3.63 ± 0.25

3.45 ± 0.12

3.12 ± 0.27

3.50 ± 0.16

3.29 ± 0.18

3.02 ± 0.14

3.33 ± 0.28

VCO2 (L·min−1)

3.75 ± 0.14

3.82 ± 0.16

3.77 ± 0.15

3.70 ± 0.16

3.35 ± 0.22

3.77 ± 0.19

3.91 ± 0.27

3.58 ± 0.22

3.94 ± 0.16

RER

1.10 ± 0.01

1.11 ± 0.03

1.13 ± 0.01

1.09 ± 0.02

1.07 ± 0.02

1.10 ± 0.01

1.11 ± 0.01

1.10 ± 0.02

1.12 ± 0.02

[La-]b (mmol·L− 1)

10.7 ± 0.8

9.3 ± 0.6

10.0 ± 0.8

9.0 ± 1.0

8.4 ± 0.9

8.8 ± 1.1

9.4 ± 0.8

9.8 ± 0.9

9.1 ± 0.1

  1. Data in Table 5 refers to the final 10-min split of the 30-min TT. Time points denoted by T1-T3. HR heart rate, RPE rating of perceived exertion, VE minute ventilation, VO2 absolute oxygen uptake, VCO2 absolute carbon dioxide, RER respiratory exchange ratio, [La-]b post test blood lactate. No differences reported