Effects of Individualized Training to Reduce Fatigue in Patients With Newly and Advanced Diagnosed Multiple Sclerosis

Inclusion criteria * Relapsing-remitting MS (RRMS) defined according to the criteria of McDonald * MS diagnosed less than 2 years ago or whose first symptoms are estimated to be less than 5 years old OR MS diagnosed more than 2 years ago and whose first symptoms are estimated to be less than 5 years old * With a high level of fatigue, corresponding to an FSS score \> 4 * Expanded Disability Status Scale (EDSS) score \< 4 * Medical Research Council (MRC) testing ≥ 4 in all leg muscles * Ability to walk for 10 minutes without stopping (self-reported) * Have a mobile phone with internet access * Affiliated with or benefiting from a social security scheme * Have freely given their written consent after being informed of the aim, the procedure and the potential risks involved Exclusion criteria * Spasticity or severe cerebellar ataxia in either leg. * Abnormal range of movement of the toes and/or ankle * Musculoskeletal injury that impairs pedalling * Appearance of a multiple sclerosis attack in the 90 days preceding the study * Recent adjustment of any medication or drug that may have an impact on fatigue: treatment of neuropathic pain: anti-epileptic and/or taking stimulants for fatigue (e.g. modafinil, amantadine, fampridine...) * History of comorbid illness or conditions that would compromise the subject's safety during the study * Participation at the same time in another medical intervention study or having participated in such a study in the 30 days prior to this study * Pregnant and breast-feeding women * Patients who are unable to understand the purpose of the study and the conditions under which it will be conducted, or who are unable to give their consent. * Patients deprived of their liberty or under guardianship