EXOPULSE Mollii Suit, Motor Function & Multiple Sclerosis

Inclusion Criteria: * Definite MS diagnosis according to the 2017 McDonald criteria since at least one month. * Age between 18 and 75 years. * Ability to walk freely or with the need of support (expanded disability status scale score (EDSS) \< 7). * Being free of relapses in the last three months. * Being French speaker, able to understand verbal instructions, and affiliated to the national health insurance (sécurité sociale). * Having spasticity with a score of at least 1+ on the MAS. * Having a BBS score ≤46 associated in the literature with a risk of fall Exclusion Criteria: * Being included in another research protocol during the study period. * Inability to undergo medical monitoring for the study purposes due to geographical or social reasons. * Having a cardiac stimulator, a ventriculoperitoneal shunt, an intrathecal baclofen pump or other contraindications to using EXOPULSE Mollii suit. * Being pregnant. * Having a change in their pharmacological therapy in the last three months. * Suffering from other somatic or neuropsychiatric diagnoses (e.g., arrhythmias, uncontrolled epilepsy, diseases causing osteoarticular and muscular pain). * Having a body mass index above 35 Kg/m2. * In case of the introduction of a medical device other than EXOPULSE Mollii suit during the study period * Patients under juridical protection (" mesure de protection judiciare : tutelle, curatelle, sauvegarde de justice ") * Prisoners.