Implementation Intention for Physical Activity in Multiple Sclerosis

Controlled Trial Testing the Effectiveness of Motivational Support on Physical Activity and Fatigue of Patients With Multiple Sclerosis

The purpose of this study is to evaluate the effectiveness of an 8-week intervention based on implementation intention (motivation) in patients with multiple sclerosis on objectively measured physical activity.

Inclusion Criteria:

• Adult aged between 18 and 65 years
• Multiple sclerosis
• Recruited from CHU Poissy saint germain or Hôpital Raymond-Poincaré
• Informed consent provided during inclusion interview

Exclusion Criteria:

• Already participating in a clinical trial
• Cognitive dysfunctions in understanding simple guidelines
• Treatment reducing fatigue since less than 3 months
• Psychiatric disorders
• Unability to exercise
• Previous cardiovascular diseases
• Regular physical activity practice