Table 1. Mean values for physiological and metabolic data measured at three conditions of slope: 0, 12.5 and 25%. Data are means (±SD).
Parameter / Condition 0% 12.5% 25%
VO2 max (ml/min-1/kg-1) 63.3 (3.9) 64 (3.5) 63.7 (3.6
HRmax (b/min-1) 182(6) 181.9 (4.9) 182(8)
VE (l/min-1) 152.2 (23.8) 159.0 (23.0) 159.0 (22.6)
VT (%VO2max) 90.4 (2.4) 90.6 (2.6) 91.3 (2.3)
Cr (mlO2/.kg-1/m-1) .192 (.007) .350 (.029) ** .516 (.035) ** ##
[La]r / [La]f (mmol/l-1) 2.8 (2.2) / 13.1 (2.7) 2.0 (.8) / 12.3 (3.3) 3.7 (2.7) / 12.7 (2.4)
Test duration (s) 920(78) 960(116) 908(100)
Rating of Perceived Exertion 8.6 (1.1) 8.25 (.9) 8.6 (1.0)
*= significant difference between 25% or 12.5 % and 0%; *: p < 0.05 **: p < 0.01.# = significant difference between 25% and 12.5%; #: p < 0.05, ##: p < 0.01.