A Preliminary Test of Measurement of Joint Angles and Stride Length with Wireless Inertial Sensors for Wearable Gait Evaluation System

Table 1

Measured reference stride velocity [m/s].

(a) 1st stride

	Walking speed condition
	Slow	Normal	Fast
subj. A	0.70±0.02	0.72±0.02	0.90±0.06
subj. B	0.51±0.11	0.76±0.09	0.83±0.05
subj. C	0.73±0.04	1.02±0.04	1.20±0.09

(b) 2nd–4th strides

	Walking speed condition
	Slow	Normal	Fast
subj. A	0.86±0.11	1.31±0.12	1.55±0.04
subj. B	0.75±0.13	1.46±0.15	1.68±0.21
subj. C	1.53±0.09	2.12±0.35	2.28±0.11