Table 2.

Sensor combinations and total number of input parameters (from [17], with permission from the publisher)

Sensor Combination	Sensor Description	Total parameters
I	pressure insole	30
H	accelerometer (head)	29
P	accelerometer (pelvis)	29
LS	accelerometer (left shank)	29
RS	accelerometer (right shank)	29
H-P	accelerometer (head, pelvis)	58
H-LS	accelerometer (head, left shank)	58
H-RS	accelerometer (head, right shank)	58
P-LS	accelerometer (pelvis, left shank)	58
P-RS	accelerometer (pelvis, right shank)	58
LS-RS	accelerometer (left shank, right shank)	58
H-P-LS	accelerometer (head, pelvis, left shank)	87
H-P-RS	accelerometer (head, pelvis, right shank)	87
H-LS-RS	accelerometer (head, left shank, right shank)	87
P-LS-RS	accelerometer (pelvis, left shank, right shank)	87
H-P-LS-RS	accelerometer (head, pelvis, left shank, right shank)	116
I-H	pressure insole; accelerometer (head)	59
I-P	pressure insole; accelerometer (pelvis)	59
I-LS	pressure insole; accelerometer (left shank)	59
I-RS	pressure insole; accelerometer (right shank)	59
I-H-P	pressure insole; accelerometer (head, pelvis)	88
I-H-LS	pressure insole; accelerometer (head, left shank)	88
I-H-RS	pressure insole; accelerometer (head, right shank)	88
I-P-LS	pressure insole; accelerometer (pelvis, left shank)	88
I-P-RS	pressure insole; accelerometer (pelvis, right shank)	88
I-LS-RS	pressure insole; accelerometer (left shank, right shank)	88
I-H-P-LS	pressure insole; accelerometer (head, pelvis, left shank)	117
I-H-P-RS	pressure insole; accelerometer (head, pelvis, right shank)	117
I-H-LS-RS	pressure insole; accelerometer (head, left shank, right shank)	117
I-P-LS-RS	pressure insole; accelerometer (pelvis, left shank, right shank)	117
I-H-P-LS-RS	pressure insole; accelerometer (head, pelvis, left shank, right shank)	146

I pressure-sensing insole measures, H head accelerometer measures, P pelvis accelerometer measures, LS left shank accelerometer measures, RS right shank accelerometer measures