Table 2A.

Trunk average linear and angular velocities and variabilities in all three axes for arm (absent and normal) and task (single and dual) conditions.

		Single task		Dual task		p-value
		Normal	Absent	Normal	Absent
Trunk linear velocity (cm/s) (×10−2)	AP	22 ± 3	13 ± 20	14 ± 26	18 ± 24	0.407
	ML	15 ± 3	14 ± 8	13 ± 10	17 ± 11	0.420
	Vert	−15 ± 4	−14 ± 5	−15 ± 4	−15 ± 5	0.178
Trunk linear velocity variability (cm/s) (×10−2)	AP	312 ± 90	327 ± 127	377 ± 181	333 ± 106	0.302
	ML	201 ± 53	199 ± 66	251 ± 64	254 ± 69	0.923*
	Vert	31 ± 10	32 ± 12	38 ± 18	35 ± 12	0.482*
Trunk angular velocity (°/s) (×10−2)	AP	12 ± 10	11 ± 11	13 ± 9	13 ± 11	0.797
	ML	4 ± 14	5 ± 12	6 ± 13	7 ± 15	0.271*
	Vert	6 ± 8	12 ± 8	7 ± 8	10 ± 11	0.011†
	AP	92 ± 24	95 ± 25	105 ± 40	99 ± 35	0.614
Trunk angular velocity variability (°/s) (×10−2)	ML	80 ± 22	78 ± 18	94 ± 30	91 ± 22	0.421*
	Vert	158 ± 51	153 ± 50	226 ± 67	219 ± 66	0.321*

Values were rounded to the nearest whole number. p-values from the two-way repeated measures ANOVA are reported for arm swing main effects.

^†Arm swing main effects at p < 0.05.

^*Dual-task main effects at p < 0.05.