Table 3.

List of feature selected by CFS algorithm, using data from all the subjects

Feature name	Computing method	Angle name	Projection plane	Frames type
F 1	Standard deviation	Left shin	YZ	a
F 2	Standard deviation	Left humerus	XY	a
F 3	Mean	Frontal bent	YZ	b
F 4	Standard deviation	Lateral bent	XY	b
F 5	Mean	Left forearm	YZ	b
F 6	Standard deviation	Left humerus	XY	c
F 7	Number of steps in spin	-	-	-