Table 3.

Standard deviations (SD) and Difference of Means of measurements by Leap Motion, Caliper, and Goniometer [39].

	Leap Motion SD	Goniometer SD	Caliper SD	Difference of Means [39]
Thumb length [mm]	2.0	-	1.7	6.7
Index finger length [mm]	3.0	-	1.4	4.9
Middle finger length [mm]	3.3	-	1.2	3.5
Ring finger length [mm]	3.0	-	1.1	3.7
Pinky finger length [mm]	2.5	-	1.4	3.8
Hand length [mm]	5.7	-	4.4	0.5
Hand width [mm]	1.8	-	0.6	1.5
Fingers spread [°]	1.3	2.0	-	1.1
Wrist range [°]	11.3	4.8	-	5.6
Finger flexion [°]	16.6	5.9	-	23.6