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

MedStar author(s):
Citation: Archives of Physical Medicine & Rehabilitation. 93(4):660-8, 2012 Apr.PMID: 22336104Institution: MedStar National Rehabilitation NetworkForm of publication: Journal ArticleMedline article type(s): Journal Article | Randomized Controlled Trial | Research Support, N.I.H., Extramural | Research Support, Non-U.S. Gov't | Validation StudiesSubject headings: *Disability Evaluation | *Paresis/pp [Physiopathology] | *Paresis/rh [Rehabilitation] | *Stroke/pp [Physiopathology] | *Stroke/rh [Rehabilitation] | *Upper Extremity/pp [Physiopathology] | Female | Humans | Male | Middle Aged | Reproducibility of Results | Single-Blind Method | Statistics, Nonparametric | Treatment OutcomeLocal holdings: Available online from MWHC library: 2000 - present, Available in print through MWHC library:1999-2007ISSN:
  • 0003-9993
Name of journal: Archives of physical medicine and rehabilitationAbstract: 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.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.INTERVENTION: None.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.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.PARTICIPANTS: Hemiparetic subjects (N=51) enrolled in the VECTORS trial.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.SETTING: Inpatient rehabilitation hospital; follow-up 3 months poststroke.All authors: Birkenmeier R, Dromerick AW, Edwards DF, Lang CE, Wagner JMDigital Object Identifier: Date added to catalog: 2013-09-17
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Journal Article MedStar Authors Catalog Article Available 22336104

Available online from MWHC library: 2000 - present, Available in print through MWHC library:1999-2007

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.

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.

INTERVENTION: None.

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.

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.

PARTICIPANTS: Hemiparetic subjects (N=51) enrolled in the VECTORS trial.

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.

SETTING: Inpatient rehabilitation hospital; follow-up 3 months poststroke.

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