Inclusion Criteria:  Age 18 - 64 years Diagnosis of MS based on McDonald criteria (including Relapsing-remitting and progressive MS) No relapse within the last 5 weeks before recruitment Able to walk with or without assistance/help/aid (one or 2 canes) EDSS [0-6]  Exclusion Criteria:  Women who are pregnant Patient having expressed their opposition Patient under guardianship or security measure