Table 1.
Test (T1) and re-test (T2) analysis for oxygen cost (ml·kg·min) of free treadmill walking (SSWS). Mean values for velocity (m·s) and oxygen cost. Data are means (±SD).
%SSWS
Velocity
O
2
cost (T1)
O
2
cost (T2)
Bias
Random error
t-test (p)
-60
.52
.27 (.05)
.28 (.05)
-.01
.08
.31
-40
.77
.20 (.03)
.21 (.02)
-.01
.07
.36
-20
1.03
.17 (.03)
.17 (.02)
-.01
.06
.46
SSWS
1.30
.16 (.02)
.17 (.02)
-.01
.05
.20
+20
1.55
.15 (.02)
.16 (.02)
-.01
.05
.14
+40
1.77
.16 (.01)
.17 (.02)
-.01
.04
.17
+60
2.00
.19 (.01)
.19 (.03)
.00
.04
.57