García-Alcántara, Gabriel
Decostre, Valérie
Banos, Marjorie
Kaïm, Audrey El
Audren, Joackim
Birnbaum, Simone
Santmarty, Pauline
Bassez, Guillaume
Querin, Giorgia
Masingue, Marion
Stojkovic, Tanya
Hogrel, Jean-Yves
Article History
Received: 4 March 2026
Accepted: 25 August 2026
First Online: 3 September 2026
Declarations
Ethics approval and consent to participate: This study was approved for data processing by the Assistance Publique–Hôpitaux de Paris (AP-HP) under the European Union General Data Protection Regulation and the French Data Protection Act 2016/679 and was exempted from research ethics committee review by French law ( loi Jardé ) as it analyzed existing data from the French National SMA Registry without any additional procedures. Participants provided written informed consent for inclusion in the registry and for the use of their health data in this study. The French National SMA Registry protocol is registered with the Health Data Hub.
Consent for publication: Not applicable.
Competing interests: JYH is a co-inventor of the MyoGrip, MyoPinch, and MoviPlate devices used in the present study and has no personal financial interest related to them. The other authors declare no competing interests.