All plates measured forces from all three spatial directions ( z , x , y ) .
The measured forces were vertical ( Fz ) , lateral ( mediolateral , Fx ) and horizontal ( anterior - posterior , Fy ) .
All plates measured forces from all three spatial directions ( z , x , y ) and the measured forces were vertical ( Fz ) , lateral ( mediolateral , Fx ) and horizontal ( anterior - posterior , Fy ) .