Inclusion Criteria:  Diagnosis: definite MS (Thompson et al 2018) Stability: recruited subjects must be in a stable phase of the disease, without relapses which induce worsening > 1 point in the EDSS and with an EDSS <=8 ASHA<6 and DYMUS >2 Novelty: subjects should not have been trained with dysphagia program in the last 6 month Mini-Mental State Examination: > 24  Exclusion Criteria:  Dysphagia related to other diseases Presence of tracheal cannula Local or general contraindications to the use of equipment for electrical muscle stimulation of the neck Malignancies or acute inflammation in the anterior region of the neck. Lack of collaboration due to mental impairment