Table 2.

Delsys connection and the values taken for analysis (refer Figure 2(b)).

Direction	IMU1				IMU2				Peak acceleration
	X+	X−	Y+	Y−	X+	X−	Y+	Y−	Values taken from sensor axis
Front	√	—	—	—	—	—	—	—	IMU1 X+
Back	—	—	—	—	√	—	—	—	IMU2 X−
Left	—	—	√	—	—	—	—	—	IMU1 Y+
Right	—	—	—	—	—	—	√	—	IMU2 Y+
Forward left	√	—	√	—	—	—	—	—	$\sqrt{{\left(\mathrm{I}\mathrm{M}\mathrm{U}1X+\right)}^2+{\left(\mathrm{I}\mathrm{M}\mathrm{U}1Y+\right)}^2}$
Backward right	—	—	—	—	√	—	√	—	$\sqrt{{\left(\mathrm{I}\mathrm{M}\mathrm{U}2X+\right)}^2+{\left(\mathrm{I}\mathrm{M}\mathrm{U}2Y+\right)}^2}$
Forward right	√	—	—	√	—	—	—	—	$\sqrt{{\left(\mathrm{I}\mathrm{M}\mathrm{U}1X+\right)}^2+{\left(\mathrm{I}\mathrm{M}\mathrm{U}1Y-\right)}^2}$
Backward center	—	—	—	—	√	—	—	√	$\sqrt{{\left(\mathrm{I}\mathrm{M}\mathrm{U}2X+\right)}^2+{\left(\mathrm{I}\mathrm{M}\mathrm{U}2Y-\right)}^2}$