Parameters	Group	Num.	Mean	Standard deviation	Confidence Interval 95%
Parameters	Group	Num.	Mean	Standard deviation	Lower limit	Upper limit
Vertical changes	Control	12	−1.47	0.30	−1.65	−1.28
Vertical changes	Test	12	−0.56	0.15	−0.65	−0.46
Horizontal changes	Control	12	−2.26	0.30	−2.45	−2.07
Horizontal changes	Test	12	−0.90	0.16	−1.00	−0.80