Table 4.

Mean and standard deviation of the determination coefficient for each walking speed

r 2	Self-Selected			Slow			Fast
	0-0.6	0.6-0.8	0.8-1	0-0.6	0.6-0.8	0.8-1	0-0.6	0.6-0.8	0.8-1
Tilt	0.31(0.19)	0.68(0.09)	0.85(0.01)	0.33(0.16)	0.72(0.04)	0.85(0.03)	0.23(0.21)	0.62(0.03)	0.87(0.06)
Obliquity	0.46(0.12)	0.66(0.08)	0.88(0.06)	0.30(0.20)	0.75(0.03)	0.89(0.05)	0.35(0.05)	0.69(0.07)	0.89(0.04)
Rotation	0.25(0.19)	0.66(0.01)	0.91(0.06)	0.35(0.22)	0.71(0.09)	0.93(0.05)	0.36(0.20)	0.76	0.91(0.06)

Mean and standard deviation of the determination coefficient (r²) divided into the three intervals (0.0-0.6, 0.6-0.8 and 0.8-1.0) for each walking speed; the three angles in the three rows. Unit is degree.