Revised upper limb module for spinal muscular atrophy: Development of a new module

Elena S Mazzone, Anna Mayhew, Jacqueline Montes, Danielle Ramsey, Lavinia Fanelli, Sally Dunaway Young, Rachel Salazar, Roberto De Sanctis, Amy Pasternak, Allan Glanzman, Giorgia Coratti, Matthew Civitello, Nicola Forcina, Richard Gee, Tina Duong, Marika Pane, Mariacristina Scoto, Maria Carmela Pera, Sonia Messina, Gihan TennekoonJohn W Day, Basil T Darras, Darryl C De Vivo, Richard Finkel, Francesco Muntoni, Eugenio Mercuri

Research output: Contribution to journalArticlepeer-review

62 Citations (Scopus)


INTRODUCTION: There is a growing need for a robust clinical measure to assess upper limb motor function in spinal muscular atrophy (SMA), as the available scales lack sensitivity at the extremes of the clinical spectrum. We report the development of the Revised Upper Limb Module (RULM), an assessment specifically designed for upper limb function in SMA patients.

METHODS: An international panel with specific neuromuscular expertise performed a thorough review of scales currently available to assess upper limb function in SMA. This review facilitated a revision of the existing upper limb function scales to make a more robust clinical scale.

RESULTS: Multiple revisions of the scale included statistical analysis and captured clinically relevant changes to fulfill requirements by regulators and advocacy groups.

CONCLUSIONS: The resulting RULM scale shows good reliability and validity, making it a suitable tool to assess upper extremity function in the SMA population for multi-center clinical research. Muscle Nerve, 2016.

Original languageEnglish
Pages (from-to)869-874
Number of pages6
JournalMuscle & Nerve
Issue number6
Early online date6 Feb 2017
Publication statusPublished - 1 Jun 2017


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