Total trace length

Velocity

Circurmference

Rectangular area

Left-right width

Front-back width

Hip joint angle

0.11

0.09

−0.04

−0.04

−0.09

0.03

Off a rubber with open eyes

Knee joint angle

−0.36

−0.36

0.06

−0.07

−0.40

0.15

Ankle joint angle

−0.19

−0.20

0.05

−0.03

0.03

−0.11

Hip joint angle

0.23

0.23

−0.20

−0.26

−0.12

−0.30

Off a rubber with close eyes

Knee joint angle

−0.37

−0.34

−0.09

−0.13

−0.32

0.10

Ankle joint angle

0.01

−0.04

0.34

0.26

0.21

0.22

Hip joint angle

−0.34

−0.36

−0.29

−0.32

−0.44

−0.09

On a rubber with open eyes

Knee joint angle

−0.66*

−0.65*

−0.78*

−0.65*

−0.73*

−0.39

Ankle joint angle

0.30

0.33

0.16

0.27

0.08

0.40

Hip joint angle

−0.39

−0.46

−0.41

−0.38

−0.44

−0.18

On a rubber with close eyes

Knee joint angle

−0.67*

−0.73*

−0.24

−0.22

−0.55

0.09

Ankle joint angle

0.08

0.27

0.04

0.01

0.08

−0.06