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(Stroke. 2007;38:3052.)
© 2007 American Heart Association, Inc.

Research Letters

Development and Validation of a Short Form of the Fugl-Meyer Motor Scale in Patients With Stroke

Yu-Wei Hsieh, MS; I-Ping Hsueh, MA; Yeh-Tai Chou, MS; Ching-Fan Sheu, PhD; Ching-Lin Hsieh, PhD Gert Kwakkel, PhD

From School of Occupational Therapy (Y.-W.H., I.-P.H., C.-L.H.), College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation (I.-P.H., C.-L.H.), National Taiwan University Hospital, Taipei, Taiwan; The Committee of the Basic Competence Test for Junior High School Students (Y.-T.C.), Taipei, Taiwan; Institute of Cognitive Science (C.-F.S.), National Cheng Kung University, Tainan, Taiwan; Department of Rehabilitation Medicine (G.K.), VU University Medical Centre and Department Rehabilitation Medicine, Rudolf Magnus Institute, University Medical Centre Utrecht, the Netherlands.

Correspondence to Ching-Lin Hsieh, School of Occupational Therapy, College of Medicine, National Taiwan University, 4F, No 17, Xuzhou Rd, Taipei 100, Taiwan. E-mail clhsieh{at}ntu.edu.tw

Abstract

Background and Purpose— The 50-item Fugl-Meyer motor scale (FM) is commonly used in outcome studies. However, the lengthy administration time of the FM keeps it from being widely accepted for routine clinical use. We aimed to develop a short form of the FM (the S-FM) with sound psychometric properties for stroke patients.

Methods— The FM was administered to 279 patients. It was then simplified based on expert opinions and the results of Rasch analysis. The psychometric properties (including Rasch reliability, concurrent validity, predictive validity, and responsiveness) of the S-FM were examined and were compared with those of the FM. The concurrent validity and responsiveness of the S-FM were further validated in a sample from the Netherlands.

Results— We selected 6 items for each subscale to construct a 12-item S-FM. The S-FM demonstrated high Rasch reliability, high concurrent validity with the original scale, moderate responsiveness, and moderate predictive validity with the comprehensive activities of daily living function. The S-FM also showed sufficient concurrent validity and responsiveness on the Dutch sample.

Conclusions— Our results provide strong evidence that the psychometric properties of the S-FM are comparable with those of the FM. The S-FM contains only 12 items, making it a very efficient measure for assessing the motor function of stroke patients in both clinical and research settings.

Key Words: cerebrovascular accident • motor function • Rasch analysis