Effect and immediate after-effect of lightly gripping the cane on postural sway

Table 1 Mean value of each variable during three single-leg stance tasks

Variables	Group	Pre-cane task	Cane task	Post-cane task	ANOVA
Variables	Group	Pre-cane task	Cane task	Post-cane task	Task	Group	Interaction
V-COP (mm/s)	LG	53.07 ± 8.99	42.79 ± 7.83^*	46.17 ± 7.59^*	P < 0.01	N.S.	P < 0.01
V-COP (mm/s)	DC	53.77 ± 9.22	25.23 ± 4.11^*	55.02 ± 8.67^#	P < 0.01	N.S.	P < 0.01
EMG-TA (% MVC)	LG	23.80 ± 3.70	17.79 ± 2.57^*	22.40 ± 2.76	P < 0.01	N.S.	P < 0.01
EMG-TA (% MVC)	DC	23.83 ± 3.68	5.46 ± 1.27^*	24.58 ± 3.22^#	P < 0.01	N.S.	P < 0.01
EMG-GAS (% MVC)	LG	27.56 ± 2.87	24.72 ± 3.01	27.12 ± 3.77	P < 0.01	N.S.	N.S.
EMG-GAS (% MVC)	DC	30.31 ± 4.63	18.74 ± 2.86^*	33.21 ± 7.86^#	P < 0.01	N.S.	N.S.
CCI (% MVC)	LG	34.50 ± 3.90	26.53 ± 2.96^*	31.69 ± 3.60	P < 0.01	N.S.	P < 0.01
CCI (% MVC)	DC	34.24 ± 4.00	7.36 ± 1.86^*	33.62 ± 3.63^#	P < 0.01	N.S.	P < 0.01

ISSN: 1880-6805