Achtergrond: De Two-Minute Step Test (TMST) is een meetinstrument gericht op het beoordelen van uithoudingsvermogen. Verscheidene psychometrische eigenschappen van de TMST-NL (Nederlands vertaalde versie) zijn onderzocht bij intramuraal wonende ouderen. De gevoeligheid voor verandering en de responsiviteit is bij deze patiëntenpopulatie nog niet vastgesteld. Doel: Het vaststellen van de gevoeligheid voor verandering en de responsiviteit (Minimal Clinical Important Difference) van de TMST-NL bij intramuraal wonende ouderen. Design: Prospectief responsiviteitsonderzoek.Methode: De onderzoekspopulatie bestond uit intramuraal wonende ouderen. Deelnemers hebben twee meetmomenten (T0 en T1) ondergaan waartussen ze drie maanden fysiotherapie gericht op uithoudingsvermogen ontvingen. Om de gevoeligheid van verandering te meten werd de distributie methode gebruikt waarbij de correlatie met de 6-minuten wandeltest (6MWT) werd getoetst. Via de anker methode met de Receiver Operating Characteristic (ROC) curve werd de MCID bepaald.Metingen voor het aerobe uithoudingsvermogen werden verricht met de TMST-NL en de 6-minuten wandeltest (6MWT). De Global Rating of Change (GRC) en de Borg Category-Ratio10 (BORG-CR10) werden gebruikt als subjectieve vragenlijsten om verandering van de gezondheidssituatie en vermoeidheid te meten.Resultaten: Intramurale ouderen (N=50) met een gemiddelde (SD) leeftijd van 83,96 jaar (6,96) zijn geïncludeerd. De correlatie tussen de verschilscores van de TMST-NL en de 6MWT over de deelnemerspopulatie die T1 ook hebben afgerond (N= 36) kwam uit op r=0.51 (P <0.05). Vanuit de ROC curve werd een MCID van 8,50 stappen berekend. De AUC-waarde was 0,74 (95% CI 0,54-0,94; P =0.02). Conclusie: De TMST-NL is gevoelig voor verandering en responsief bij intramuraal wonende ouderen. Echter doordat de MCID binnen de minimale meetfout (MDC) valt moeten de resultaten voor individuele evaluatie bij deze doelgroep met voorzichtigheid worden geïnterpreteerd.
Movement is an essential part of our lives. Throughout our lifetime, we acquire many different motor skills that are necessary to take care of ourselves (e.g., eating, dressing), to work (e.g., typing, using tools, care for others) and to pursue our hobbies (e.g., running, dancing, painting). However, as a consequence of aging, trauma or chronic disease, motor skills may deteriorate or become “lost”. Learning, relearning, and improving motor skills may then be essential to maintain or regain independence. There are many different ways in which the process of learning a motor skill can be shaped in practice. The conceptual basis for this thesis was the broad distinction between implicit and explicit forms of motor learning. Physiotherapists and occupational therapists are specialized to provide therapy that is tailored to facilitate the process of motor learning of patients with a wide range of pathologies. In addition to motor impairments, patients suffering from neurological disorders often also experience problems with cognition and communication. These problems may hinder the process of learning at a didactic level, and make motor learning especially challenging for those with neurological disorders. This thesis focused on the theory and application of motor learning during rehabilitation of patients with neurological disorders. The overall aim of this thesis was to provide therapists in neurological rehabilitation with knowledge and tools to support the justified and tailored use of motor learning in daily clinical practice. The thesis is divided into two parts. The aim of the first part (Chapters 2‐5) was to develop a theoretical basis to apply motor learning in clinical practice, using the implicit‐explicit distinction as a conceptual basis. Results of this first part were used to develop a framework for the application of motor learning within neurological rehabilitation (Chapter 6). Afterwards, in the second part, strategies identified in first part were tested for feasibility and potential effects in people with stroke (Chapters 7 and 8). Chapters 5-8 are non-final versions of an article published in final form in: Chapter 5: Kleynen M, Moser A, Haarsma FA, Beurskens AJ, Braun SM. Physiotherapists use a great variety of motor learning options in neurological rehabilitation, from which they choose through an iterative process: a retrospective think-aloud study. Disabil Rehabil. 2017 Aug;39(17):1729-1737. doi: 10.1080/09638288.2016.1207111. Chapter 6: Kleynen M, Beurskens A, Olijve H, Kamphuis J, Braun S. Application of motor learning in neurorehabilitation: a framework for health-care professionals. Physiother Theory Pract. 2018 Jun 19:1-20. doi: 10.1080/09593985.2018.1483987 Chapter 7: Kleynen M, Wilson MR, Jie LJ, te Lintel Hekkert F, Goodwin VA, Braun SM. Exploring the utility of analogies in motor learning after stroke: a feasibility study. Int J Rehabil Res. 2014 Sep;37(3):277-80. doi: 10.1097/MRR.0000000000000058. Chapter 8: Kleynen M, Jie LJ, Theunissen K, Rasquin SM, Masters RS, Meijer K, Beurskens AJ, Braun SM. The immediate influence of implicit motor learning strategies on spatiotemporal gait parameters in stroke patients: a randomized within-subjects design. Clin Rehabil. 2019 Apr;33(4):619-630. doi: 10.1177/0269215518816359.
From the article: "Individuals with dementia often experience a decline in their ability to use language. Language problems have been reported in individuals with dementia caused by Alzheimer’s disease, Parkinson’s disease or degeneration of the fronto-temporal area. Acoustic properties are relatively easy to measure with software, which promises a cost-effective way to analyze larger discourses. We study the usefulness of acoustic features to distinguish the speech of German-speaking controls and patients with dementia caused by (a) Alzheimer’s disease, (b) Parkinson’s disease or (c) PPA/FTD. Previous studies have shown that each of these types affects speech parameters such as prosody, voice quality and fluency (Schulz 2002; Ma, Whitehill, and Cheung 2010; Rusz et al. 2016; Kato et al. 2013; Peintner et al. 2008). Prior work on the characteristics of the speech of individuals with dementia is usually based on samples from clinical tests, such as the Western Aphasia Battery or the Wechsler Logical Memory task. Spontaneous day-to-day speech may be different, because participants may show less of their vocal abilities in casual speech than in specifically designed test scenarios. It is unclear to what extent the previously reported speech characteristics are still detectable in casual conversations by software. The research question in this study is: how useful for classification are acoustic properties measured in spontaneous speech."
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