Inclusion Criteria:  Confirmed MS diagnosis, Over 18 years old, Ambulant patients, Signed informed consent, No clinical and / or radiological relapse within 3 months.  Exclusion Criteria:  Patients with excessive cognitive disorders, limiting the understanding of task or with apparent communication difficulties hindering data collection. Any other previous or present pathology having an impact on motor function. Recent surgery or trauma (less than 6 months) in the upper or lower limbs