Table 2 Spatiotemporal parameters of mallards during locomotion on different sand ground.

From: Mallard hindlimbs locomotion system respond to changes in sandy ground hardness and slope

sand ground

Stance phase

Duration (s)

Swing phase

Duration (s)

Stride duration (s)

Duty factor

Stride length(m)

Speed (m/s)

Natural flat sand

0.13

0.13

0.26

0.52

0.52

2.09

Natural uphill sand

0.22

0.14

0.36

0.60

0.44

1.32

Hard uphill sand

0.14

0.14

0.28

0.51

0.48

1.86