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Hayes, Julia, Michael Quiring, Marko Kerac, et al. Nutrition and Health, June 2023

Studies reviewed indicate mid-upper arm circumference (MUAC) is used as part of nutritional assessments on children with disabilities, but measurement methods, references, and cut-offs were inconsistent. Speed, simplicity, and ease of use make MUAC useful for implementers. However, further research is needed to understand how well it identifies malnutrition in nutritionally high-risk children compared with other measures.