Table 1: Student’s -test analysis. Sample of features in male subjects M1 and M4 during 3 sessions with the 3D guide ( → “+,” → “−”).

FeaturesSubject M1Subject M4
Right footLeft footRight footLeft foot

LLD++++++++++
ALD+++++++++++
PLD+++++++++++
Bx++++++++++++
By++++++++++
PMLx++++++++++++
PMLy+++++++++++
BBx++++++++++++
BBy++++++++++