Validation of a 3D Instrumented Serious Game to Evaluate Upper Limb Impairments in Children With Neuromotor Disorders

The goal of this clinical trial is to validate an instrumented 3D serious game to assess upper limb impairments in children with neuromotor disorders. The main questions are: * Does an instrumented 3D serious game can provide a set of validated upper limb movement features with good reliability, validity and responsiveness ? * Does the instrumented 3D serious game could provide better immersion, adhesion, usability and satisfaction than a "classic" 3D protocol, thanks to the developped environment ? Researchers will compare children with neuromotor disorders and typically developing children to assess discriminant validity of the new assessement. Children with neuromotor disorders will have 2 visits to the hospital : * Visit 1 : children will perform a validated 3D protocol and the instrumented 3D serious game * Visit 2 : children will have a clinical examination and will perform the instrumented 3D serious game Typically developing children will have one visit to the hospital. They will perform the instrumented 3D serious game.