Table 3. Mean (± SD) values of speed and stroke rate corresponding to critical speed (CS, SRCS) and maximal speed of 30 minutes (S30 and SRS30), blood lactate concentration at 10 (LAC10) and 30 min (LAC30) in the GM1, GM2 and GF groups.
GM1 (n = 22) GM2 (n = 15) GF (n = 14)
CS (m·s-1) 1.25 (.09) * 1.22 (.09) * 1.15 (.11) *† 
S30 (m·s-1) 1.17 (.10) 1.12 (.08) 1.11 (.11) +
SRCS (cycle·min-1) 34.01 (5.63) 34.86 (5.93) 33.80 (4.15)
SRS30 (cycle·min-1) 32.57 (4.95) 32.82 (5.13) 33.55 (3.70)
LAC10th (mmol·L-1) 4.3 (1.6) 4.4 (1.7) 3.2 (1.1) † 
LAC30th (mmol·L-1) 3.8 (1.5) 3.7 (1.6) 1.9 (.7) † 
* p < 0.05 compared with maximal 30 min swimming test in the same group.†  p < 0.05 compared with GM1 and GM2.+ p < 0.05 compared with GM1.‡ p < 0.05 compared with to 10th min in the same group.