Development of the Performance of the Upper Limb module for Duchenne muscular dystrophy

An international Clinical Outcomes Group consisting of clinicians, scientists, patient advocacy groups, and industries identified a need for a scale to measure motor performance of the upper limb. We report the steps leading to the development of the Performance of the Upper Limb (PUL), a tool specifically designed for assessing upper limb function in ambulant and non‐ambulant patients with Duchenne muscular dystrophy (DMD).

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