Inclusion Criteria:  age from 50 to 80 years old clinical diagnosis of parkinson's disease from 1 to 3 of Hoehn and Yahr Scale no partecipation to other physical activity program  Exclusion Criteria:  MMSE values < 24 inability to walk 6 minutes without assistance use of medications and other things that may affect cognitive and motor functions presence of contraindications in the use of WB-EMS