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. 2017 Aug 10;12(8):e0182333. doi: 10.1371/journal.pone.0182333

Table 2. Mean energy expenditure and VeDBA during each combination of walking speed and angle.

	$\dot{V} O_{2}$ (l∙min^-1)				Mean VeDBA (g)
	0°	45°	90°	180°	0°	45°	90°	180°
2.5 km∙hr^-1	0.66 ± 0.20	0.63 ± 0.19	0.63 ± 0.20	0.67 ± 0.22	0.19 ± 0.03	0.19 ± 0.02	0.19 ± 0.04	0.20 ± 0.03
3.5 km∙hr^-1	0.73 ± 0.20^*	0.74 ± 0.22^*	0.74 ± 0.21^*	0.82 ± 0.24^*	0.24 ± 0.04^*	0.25 ± 0.05^*	0.25 ± 0.04^*	0.27 ± 0.04^*
4.5 km∙hr^-1	0.86 ± 0.26^*	0.88 ± 0.26^*	0.93 ± 0.24^*^#	1.10 ± 0.33^*^#	0.32 ± 0.03^*	0.32 ± 0.04^*	0.32 ± 0.05^*	0.37 ± 0.05^*
5.5 km∙hr^-1	1.00 ± 0.26^*	1.00 ± 0.33^*	1.14 ± 0.30^*^#	1.54 ± 0.36^*^#	0.44 ± 0.05^*	0.44 ± 0.05^*	0.46 ± 0.06^*	0.53 ± 0.08^*

Mean ± SD. $\dot{V} O_{2}$ , net oxygen uptake; VeDBA, vectorial dynamic body acceleration.

* indicates significant difference to 2.5 km∙hr^-1 within angle (P<0.05)

^# indicates significant difference to straight walking within speed (P<0.05)