Table 1

 Results from the incremental treadmill walking test

VariableMaxIAT
Values are maximal performance (Max) and individual anaerobic threshold (IAT) during walking and are expressed as mean (SD) (n  =  16).
Velocity (km/h)8.3 (0.6)6.9 (0.6) (83% Vmax)
Heart rate (beats/min)166 (14)131 (14)
Lactate (mmol/l)6.1 (1.8)2.0 (0.3)
o2max (ml/min/kg)33.2 (5.1)23.4 (4.8)
Energy cost (kJ/min)46.7 (7.1)32.9 (6.8)
MET9.5 (1.5)6.7 (1.4)