To perform the reliability and validity study of the Peabody Developmental Motor Scale (Peabody Developmental Motor Scales-2) in children with Duchenne Muscular Dystrophy (DMD).

Inclusion Criteria:

• for Group I:

  • No neurodevelopmental problems or diseases
  • 3-5 years old
  • Being able to cooperate with the instructions given by the physiotherapist.
  • Children who volunteered to participate in the study and whose families gave consent form will be included in the study.

• for Group II:

  • Being diagnosed with Duchenne Muscular Dystrophy by a pediatric neurologist
  • 3-5 years old
  • Children who volunteered to participate in the study and whose parents' consent was obtained will be included in the study.

Exclusion Criteria:

• Children with a behavioral condition and any disorder that interferes with testing (eg autism spectrum disorder)
• Failure to cooperate with the physiotherapist who made the evaluations.
• Lack of volunteers.

Ondokuz Mayıs University, Health Application and Research Center, Pediatric Neurology Outpatient Clinic and community samples