Table 2. Summary of exercise descriptors for high-intensity exercise (HIIE) and steady state exercise (SSE) protocols (n = 8). Values are mean (± standard deviation).
Variable
SSE
HIIE
Protocol
run at 70% of sVO2peak
60 x 60-second rest of 100% sVO2peak
Duration (min)
30.78 (2.09)
42.09 (2.93) *
Speed (km·h1)
9.65 (0.69)
13.79 (0.98)
EExp (kcal)
454.4 (56.7)
523.0 (40.1) *
HRmax (beats·min1)
171(8)
182(11) *
[La-]rest (mmol·L-1)
1.35 (.14)
1.34 (.24)
[La-]peak (mmol·L-1)
4.06 (1.60)
7.11 (2.85) *
RPEfinal
15.0 (2.8)
20.0 (3.7)
EExp = Energy Expenditure HRmax= Maximal Heart Rate in exercise; [La-]= lactate concentration, RPE= Rate of perceived exertion.