Normal scores for nine maneuvers of the Childhood Myositis Assessment Scale.
OBJECTIVE: To document and evaluate the scores that normal, healthy children achieve when performing 9 maneuvers of the Childhood Myositis Assessment Scale (CMAS). METHODS: A total of 303 healthy children, 4-9 years of age, were scored as they performed 9 CMAS maneuvers. The data were then evaluated to determine whether normal scores for some maneuvers are age and sex dependent. RESULTS: All children were able to achieve maximum possible scores for the supine to prone, supine to sit, floor sit, floor rise, and chair rise maneuvers. All but 2 4-year-olds achieved a maximum possible score for the arm raise/duration maneuver. Performance of the head lift and sit-up maneuvers varied significantly, depending primarily on age. Children in all age groups had less difficulty performing the leg lift than the head lift or sit-up. CONCLUSION: The normative data generated by this study are of value for interpreting the serial CMAS scores of children with idiopathic inflammatory myopathies.
Rennebohm, RM; Jones, K; Huber, AM; Ballinger, SH; Bowyer, SL; Feldman, BM; Hicks, J; Katona, IM; Lindsley, CB; Miller, FW; Passo, MH; Perez, MD; Reed, AM; Wallace, CA; White, PH; Zemel, LS; Lachenbruch, PA; Hayes, JR; Rider, LG; Juvenile Dermatomyositis Disease Activity Collaborative Study Group,
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