Influence of Gait Speeds on Contact Forces of Lower Limbs
Table 4
Vertical GRF across different walking speeds.
Regular (1.1 m/s)
Medium (1.4 m/s)
Fast (1.7 m/s)
Vertical GRF (BW)
First peak (F1)
1.17 ± 0.44#
1.37 ± 0.42
1.52 ± 0.53
Minimum (F2)
0.86 ± 0.22
0.76 ± 0.23
0.62 ± 0.26
Second peak (F3)
1.10 ± 0.23
1.08 ± 0.18
1.09 ± 0.16
Anterior-posterior GRF (BW)
First minimum (F4)
−0.08 ± 0.03
−0.10 ± 0.06△
−0.13 ± 0.05
Peak (F5)
0.17 ± 0.04
0.19 ± 0.05△
0.22 ± 0.05
Second minimum (F6)
−0.23 ± 0.06
−0.25 ± 0.05
−0.27 ± 0.07
Medial-lateral GRF (BW)
First peak (F7)
0.06 ± 0.03
0.06 ± 0.04△
0.08 ± 0.03
Second peak (F8)
0.04 ± 0.03
0.05 ± 0.03△
0.07 ± 0.04
means the significant difference between regular and fast speeds. △ means the significant difference between medium and fast speeds. refers to the significant difference between regular and fast speeds and . # refers to the significant difference between regular and medium speeds and .
