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An evaluation of the Wolf Motor Function Test in motor trials early after stroke.

by Dromerick, Alexander W.
Citation: Archives of Physical Medicine & Rehabilitation. 93(4):660-8, 2012 Apr..Journal: Archives of physical medicine and rehabilitation.ISSN: 0003-9993.Full author list: Edwards DF; Lang CE; Wagner JM; Birkenmeier R; Dromerick AW.UI/PMID: 22336104.Subject(s): *Disability Evaluation | Female | Humans | Male | Middle Aged | *Paresis/pp [Physiopathology] | *Paresis/rh [Rehabilitation] | Reproducibility of Results | Single-Blind Method | Statistics, Nonparametric | *Stroke/pp [Physiopathology] | *Stroke/rh [Rehabilitation] | Treatment Outcome | *Upper Extremity/pp [Physiopathology]Institution(s): MedStar National Rehabilitation NetworkActivity type: Journal Article.Medline article type(s): Journal Article | Randomized Controlled Trial | Research Support, N.I.H., Extramural | Research Support, Non-U.S. Gov't | Validation StudiesOnline resources: Click here to access online Digital Object Identifier: (Click here) Abbreviated citation: Arch Phys Med Rehabil. 93(4):660-8, 2012 Apr.Local Holdings: Available online from MWHC library: 2000 - present, Available in print through MWHC library:1999-2007.Abstract: OBJECTIVE: To examine the internal consistency, validity, responsiveness, and advantages of the Wolf Motor Function Test (WMFT) and compare these results to the Action Research Arm Test (ARAT) in participants with mild to moderate hemiparesis within the first few months after stroke.Abstract: DESIGN: Data were collected as part of the Very Early Constraint-Induced Therapy for Recovery from Stroke (VECTORS) trial, an acute, single-blind randomized controlled trial of constraint-induced movement therapy. Subjects were studied at baseline (day 0), after treatment (day 14), and after 90 days (day 90) poststroke.Abstract: SETTING: Inpatient rehabilitation hospital; follow-up 3 months poststroke.Abstract: PARTICIPANTS: Hemiparetic subjects (N=51) enrolled in the VECTORS trial.Abstract: INTERVENTION: None.Abstract: MAIN OUTCOME MEASURES: At each time point, subjects were tested on (1) the WMFT and ARAT, (2) clinical measures of sensorimotor impairments, (3) reach and grasp movements performed in the kinematics laboratory, and (4) clinical measures of disability. Blinded raters performed all evaluations. Analyses at each time point included calculating effect size as indicators of responsiveness, and correlation analyses to examine relationships between WMFT scores and other measures.Abstract: RESULTS: The WMFT is internally consistent, valid, and responsive in the early stages of stroke recovery. Sensorimotor and kinematic measures of reach and grasp support the construct validity of the WMFT.Abstract: CONCLUSIONS: In an acute stroke population, the WMFT has acceptable reliability, validity, and responsiveness to change over time. However, when compared with the ARAT, the higher training and testing burdens may not be offset by the relatively small psychometric advantages. Copyright 2012 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

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