Assessment of a Portable Digital Device for Quantified Analysis of Markerless Walking in Volunteers With Neuromuscular Diseases or Asymptomatic Volunteers

• All volunteers

• Age between 18 and 65
• Ambulatory
• Informed consent to participate in the study
• Member of or beneficiary of a social security system
• Volunteers with a neuromuscular disease

• Confirmed diagnosis of a neuromuscular disease of genetic origin (medical document to be provided upon enrollment in the study with proof of diagnosis) belonging to the list above.
• Ability to walk for 2 minutes without assistance.
• Ability to stand up from a chair with armrests at least 3 times in 30 seconds.
• Ability to climb an inclined plane independently or with assistance to access the movement analysis room.

Exclusion criteria

• All volunteers

• Individuals under guardianship, curatorship, or legal protection
• Pregnant or breastfeeding women
• Non-ambulatory individuals
• Individuals with epilepsy
• Skin conditions preventing the placement of VICON motion sensors
• Asymptomatic volunteers

• Unstable respiratory or cardiac problems
• Neurological, musculoskeletal, or psychiatric problems
• Volunteers with a neuromuscular disease

• Recent trauma or serious falls (≤ 6 months)
• Individuals who have fallen more than twice in the past year and at least once in the past three months
• Use of assistive devices such as rigid knee braces or walkers
• Unstable cardiomyopathy
• Individuals awaiting diagnosis

Exclusion criteria

• Inability to comply with the protocol requirements
• Medical or social conditions that could interfere with the study, as determined by the coordinating investigator or co-investigators.