The PD motor symptoms ( UPDRS-III ) in the group of patients who performed ST and AT improved by 27.5 % ( effect size [ ES ] = 1.25 , confidence interval [ CI ] = -0.11 , 2.25 ) and 35 % ( ES = 1.34 , CI = -0.16 , 2.58 ) , respectively , in contrast to the physiotherapy group , which showed a 2.9 % improvement ( ES = 0.07 , CI = -0.85 , 0.99 ) .