Elaboration of a Pronostic Score of Changes on Wheelchair's Seating System

Inclusion Criteria: * Male or female over the age of 18 * Daily wheelchair user (more than 4 hours per day) * Having a neuromuscular disease such as Duchenne Muscular Dystrophy or Infantile Spinal Muscular Atrophy type II * Accompanied by an identified medical equipment provider, able to respond to the recommendations of the clinical team * Patient informed and having signed consent. Exclusion Criteria: * Person who already has a seat change or FR prescription at the time of inclusion * Having undergone surgery less than 1 year ago or a fracture * Pregnant or breastfeeding women * Patient under guardianship or curatorship.