Skip to main content

Advertisement

Table 4 Average performance, cardio-respiratory and perceived exertion data for mid 10-min split (11–20 min) during the 30 min TT

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) 2449 ± 67 2478 ± 56 2502 ± 60* 2458 ± 35 2477 ± 36 2497 ± 34 2365 ± 63 2373 ± 47 2362 ± 60
Power (W) 189.8 ± 16.2 199.9 ± 14.3 201.4 ± 16.7 197.6 ± 10.2 199.4 ± 9.1 201.1 ± 7.9 168.8 ± 14.3 168.7 ± 11.9 169.4 ± 14.7
Power (W·kg− 1) 2.23 ± 0.13 2.35 ± 0.10 2.37 ± 0.14 2.47 ± 0.15 2.50 ± 0.14 2.52 ± 0.13 2.04 ± 0.14 2.04 ± 0.14 2.03 ± 0.14
HR (b·min− 1) 174 ± 4 177 ± 3 178 ± 2 169 ± 4 173 ± 53 172 ± 4 171 ± 5 170 ± 4 170 ± 4
RPE 7.7 ± 0.3 7.7 ± 0.2 7.6 ± 0.3 6.9 ± 0.7 7.0 ± 0.6 7.7 ± 0.4 6.2 ± 0.5 6.9 ± 0.4 7.4 ± 0.4
VE (L·min− 1) 88.8 ± 6.7 91.0 ± 4.0 88.6 ± 5.3 83.5 ± 2.5 78.4 ± 3.9 82.5 ± 2.8 83.8 ± 2.2 78.5 ± 3.4 80.1 ± 3.1
VO2 (L·min− 1) 3.28 ± 0.26 3.38 ± 0.23 3.60 ± 0.44 3.17 ± 0.13 3.14 ± 0.14 3.10 ± 0.16 3.07 ± 0.13 2.69 ± 0.10 3.00 ± 0.19
VCO2 (L·min− 1) 3.20 ± 0.22 3.30 ± 0.12 3.26 ± 0.20 3.30 ± 0.16 2.97 ± 0.14 3.20 ± 0.19 3.29 ± 0.25 2.98 ± 0.25 3.11 ± 0.25
RER 1.04 ± 0.02 1.02 ± 0.01 0.99 ± 0.03 0.97 ± 0.04 0.97 ± 0.02 0.97 ± 0.04 1.00 ± 0.02 1.03 ± 0.01 1.04 ± 0.03
  1. Data in Table 4 refers to the second 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. * = significant difference within group T1-T3 (P = 0.01)