Table 2. Velocity (m·s, expressed as a percentage of SSWS), Froude number (Fr) and oxygen cost (ml·kg·min) for free and immobilised walking. Data are means (±SD).
Free
Immobilised
Velocity
Froude (Fr)
O2 cost
Velocity
Froude (Fr)
O2 cost
-60
.52 (.08)
.03 (.01)
.27 (.05)
.40 (.05)**
.02 (.00)**
.36 (.07)**
-40
.77 (.07)
.06 (.01)
.20 (.03)
.61 (.10)**
.04 (.01)**
.27 (.05)**
-20
1.06 (.09)
.12 (.03)
.16 (.03)
.83 (.11)**
.08 (.02)**
.22 (.05)**
SSWS
1.30 (.13)
.18 (.04)
.16 (.02)
1.02 (.13)**
.12 (.03)**
.21(.03)**
+20
1.55 (.18)
.26 (.07)
.15 (.02)
1.22 (.16)**
.17 (.05)**
.20 (.02)**
+40
1.77 (.17)
.34 (.07)
.16 (.01)
1.48 (.19)**
.25 (.07)*
.19 (.02)**
+60
2.00 (.11)
.43 (.05)
.19 (.01)
1.67 (.23)**
.31 (.08)**
.20 (.02)
* p < 0.05
** p < 0.01 indicates a significant difference between free and immobilised walking.