Table 3 Comparison of spatiotemporal features in different foot contact strategies.

From: Influence of the initial foot contact strategy on knee joint moments during stair and ramp descent

Task

Feature (unit)

Rearfoot strike

 

Forefoot strike

P value

Stair descent

Step with (m)

0.13 ± 0.04

ns

0.12 ± 0.03

0.49

Stride length (m)

0.64 ± 0.04

ns

0.65 ± 0.03

0.71

Walking speed (m/s)

0.63 ± 0.13

<

0.77 ± 0.07

*

Ramp descent

Step with (m)

0.12 ± 0.03

ns

0.11 ± 0.03

0.35

Stride length (m)

1.43 ± 0.03

ns

14.4 ± 0.09

0.06

Walking speed (m/s)

0.92 ± 0.07

ns

0.89 ± 0.12

0.57

  1. The walking speed was calculated as the diagonal travel distance per second. Values are presented as mean ± SD. ns not significant.
  2. *P < 0.05.
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