Table 6.

Best and worst placement configurations of IMUs, given the number of IMUs used. IMU locational labels are as follows (see Figure 2): 2—back, 3—right thigh, 4—right shank, 5—right foot, 6—left thigh, 7—left shank, 8—left foot.

	IMU Placement Configuration
No. of IMUs	Best	Worst
1	2	8
2	3, 6	4, 5
3	2, 3, 6	3, 4, 5
4	2, 3, 6, 7	5, 6, 7, 8
5	2, 3, 4, 6, 7	2, 5, 6, 7, 8
6	2, 3, 4, 5, 6, 7	3, 4, 5, 6, 7, 8
7	2, 3, 4, 5, 6, 7, 8