Reliability of hand-held dynamometry in spinal muscular atrophy.

نویسندگان

  • Luciano Merlini
  • Elena Stacy Mazzone
  • Alessandra Solari
  • Lucia Morandi
چکیده

We have assessed the reliability of hand-held myometry in 33 patients with spinal muscular atrophy (SMA), testing elbow flexion, handgrip, three-point pinch, knee flexion, knee extension, and foot dorsiflexion, and determining intraclass correlation coefficients (ICC). Interrater reliability was high for upper limbs, with an ICC of 0.92 for three-point pinch and 0.98 for elbow flexion and grip. For lower limbs interrater reliability was good with ICC >0.85 for all measures except foot dorsiflexion. Test-retest results were excellent with ICC >0.91 in all instances. Hand-held myometry is easily performed in SMA patients of various ages and muscle strengths, is a reliable measure of limb muscle strength, and can be used in longitudinal studies and clinical trials.

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عنوان ژورنال:
  • Muscle & nerve

دوره 26 1  شماره 

صفحات  -

تاریخ انتشار 2002