. Author manuscript; available in PMC: 2015 Mar 1.

Published in final edited form as: Ann Biomed Eng. 2013 Oct 1;42(3):600–612. doi: 10.1007/s10439-013-0917-0

Table 5.

Selected features from IMU were computed for no-fatigue and post fatigue walking and statistical analysis is reported.

Gait characteristics from IMU	Features	No-fatigue walking	Post-fatigue walking	p-value
Resultant acceleration	Maximum [g]	0.201	0.428	<0.0001
	Minimum [g]	0.042	0.127	<0.0001
	Range [g]	0.157	0.301	<0.0001
	Skewness	0.209	0.078	0.0333
	Energy [g². sec]	2.144	10.150	0.0006
	Dominant frequency [Hz]	1.494	1.558	0.1584
Jerk	Maximum [g/sec]	0.010	0.022	<0.0001
	Minimum [g/sec]	0.009	0.018	0.0003
	Range [g/sec]	0.021	0.041	<0.0001
	Skewness	0.185	0.317	0.0493
	Jerk at Heel Contact [g/sec]	0.003	0.007	<0.0001
	Jerk cost [g²/sec]	0.007	0.022	0.0233