Skip to main content

Advertisement

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