Pediatric Normative Markerless Movement Analysis

This study creates a database of normal movement patterns in children and young adults without any movement disorders, using a camera-based system that tracks the body without placing markers on the skin. This "markerless" technology is being validated to help diagnose movement problems in the future. **You may be eligible if...** - You are between 3 and 25 years old - You can walk on your own without a walking aid, brace, or assistive device - You are generally willing and interested in participating **You may NOT be eligible if...** - You have a neuromuscular disorder such as cerebral palsy, muscular dystrophy, or spinal muscular atrophy - You have a history of developmental delays, muscle weakness, or joint stiffness - You have ever used assistive devices, braces, or wheelchairs - You were born prematurely - You are on medication affecting muscle or movement Talk to your doctor to see if this trial is right for you.