Table 1.

Comparison of gait stride between the healthy adults, the elderly and stroke patients using a cane [24, 25]

Subject	Height (mm)	Step length (mm)	Angle ($\mathrm{\Theta }$, deg)
Healthy (20 $\sim$ 49 years)${}^{24}$	2,470	605.1	13.8
Elderly (60 $\sim$ 79 years)${}^{24}$	2,470	590	13.4
Stroke with cane${}^{25}$	2,470	375	8.6
Test bed
Simulated elderly	400	100	14.0
Simulated stroke step	400	50	7.1