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The inclination for conscious motor control after stroke: validating the Movement-Specific Reinvestment Scale for use in inpatient stroke patients |
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| Authors: | E. Kal H. Houdijk P. Van Der Wurff E. Groet C. Van Bennekom E. Scherder |
| Affiliation: | 1. Department of Research &2. Development, Heliomare Rehabilitation Centre, Wijk Aan Zee, The Netherlands;3. Faculty of Psychology and Education, William James Graduate School, VU University Amsterdam, The Netherlands;4. Faculty of Human Movement Sciences, Research Institute Move, VU University Amsterdam, The Netherlands;5. Military Rehabilitation Centre Aardenburg, Doorn, The Netherlands;6. Coronel Institute for Occupational and Environmental Health, Academic Medical Centre/University of Amsterdam, Amsterdam, The Netherlands;7. Faculty of Psychology and Education, William James Graduate School, VU University Amsterdam, The Netherlands |
| Abstract: | Purpose: Stroke survivors are inclined to consciously control their movements, a phenomenon termed “reinvestment”. Preliminary evidence suggests reinvestment to impair patients’ motor recovery. To investigate this hypothesis, an instrument is needed that can reliably assess reinvestment post-stroke. Therefore, this study aimed to validate the Movement-Specific Reinvestment Scale (MSRS) within inpatient stroke patients. Method: One-hundred inpatient stroke patients (<1 year post-stroke) and 100 healthy peers completed the MSRS, which was translated to Dutch for the study purpose. To assess structural validity, confirmatory factor analysis determined whether the scale measures two latent constructs, as previously reported in healthy adults. Construct validity was determined by testing whether patients had higher reinvestment than controls. Reliability analyses entailed assessment of retest reliability (ICC), internal consistency (Cronbach’s alpha), and minimal detectable change. Results: Both structural and construct validity of the MSRS were supported. Retest reliability and internal consistency indices were acceptable to good. The minimal detectable change was adequate on group level, but considerable on individual level. Conclusions: The MSRS is a valid and reliable tool and suitable to assess the relationship between reinvestment and motor recovery in the first months post-stroke. Eventually, this may help therapists to individualize motor learning interventions based on patients’ reinvestment preferences.
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| Keywords: | CVA motor control patient-reported outcome measure physical therapy rehabilitation reinvestment stroke |