Quantification of Motor Function in Infants With Spinal Muscular Atrophy Treated With Innovative Therapies

"Measurement of motor skills at M0: start of the administration of the innovative therapy and then 1 month, 3 months, 6 months, 1 year and then 2 years later:~* Free motor skills in the supine position~* Motricity in the supine position stimulated by a play frame~* Measurement of the proximal and distal activity of the upper limbs in motor skills stimulated by the play gantry~* Measurement of activity in a supported sitting position Longitudinal study, the subject is his own control"