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Movements used during turning and factors influencing the way in which people with Parkinson's disease turn

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Title: Movements used during turning and factors influencing the way in which people with Parkinson's disease turn
Authors: Stack, Emma
Summary: In this thesis, a tool with which to describe turning, the Standing Start 180° Turn Test (SS-180) was developed and used to describe how people with and without PD turned to walk from a standing start. Seventy descriptors of turning were identified from five sources (including the literature). These were reduced to a shortlist of 20 considered important and measurable from video, from which the SS-180 was designed. Participants turned in each direction during the SS-180 and Turning Steps, Time, Type and Quality were rated. The video-based SS-180 was validated against a laboratory-based 'gold standard' and test-retest stability, intra- and inter-rater reliability was established. Thirty-three healthy adults (median age 40 years) took part in the first (laboratory-based) study. Turning took a median 2.5 Steps in a median 1.5s. Toward (36%) and Pivotal (33%) Turn Types were common; Quality was maximal (five/five) for all but one turn. Seven people with PD (median age 77, median PD duration eight years) took part in a preliminary (laboratory-based) study. Turning took a median six Steps, 3.9s. Incremental (71%) Turn Types were common; Quality was sub-maximal in most cases. Twenty-three people with PD (median age 68, median PD duration four years) and ten age-matched controls (median age 70) took part in the main (home-based) study. Participants with PD turned in a median 3.8 Steps, 2s; Incremental (64%) Turn Types were common. Controls turned in fewer Steps and faster (P
URL: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273797
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PubType: Dissertation/ Thesis
PubTypeId: dissertation
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  Data: Movements used during turning and factors influencing the way in which people with Parkinson's disease turn
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  Data: In this thesis, a tool with which to describe turning, the Standing Start 180° Turn Test (SS-180) was developed and used to describe how people with and without PD turned to walk from a standing start. Seventy descriptors of turning were identified from five sources (including the literature). These were reduced to a shortlist of 20 considered important and measurable from video, from which the SS-180 was designed. Participants turned in each direction during the SS-180 and Turning Steps, Time, Type and Quality were rated. The video-based SS-180 was validated against a laboratory-based 'gold standard' and test-retest stability, intra- and inter-rater reliability was established. Thirty-three healthy adults (median age 40 years) took part in the first (laboratory-based) study. Turning took a median 2.5 Steps in a median 1.5s. Toward (36%) and Pivotal (33%) Turn Types were common; Quality was maximal (five/five) for all but one turn. Seven people with PD (median age 77, median PD duration eight years) took part in a preliminary (laboratory-based) study. Turning took a median six Steps, 3.9s. Incremental (71%) Turn Types were common; Quality was sub-maximal in most cases. Twenty-three people with PD (median age 68, median PD duration four years) and ten age-matched controls (median age 70) took part in the main (home-based) study. Participants with PD turned in a median 3.8 Steps, 2s; Incremental (64%) Turn Types were common. Controls turned in fewer Steps and faster (P
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RecordInfo BibRecord:
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    Languages:
      – Code: eng
        Text: English
    Subjects:
      – SubjectFull: 616
        Type: general
      – SubjectFull: Medicine
        Type: general
    Titles:
      – TitleFull: Movements used during turning and factors influencing the way in which people with Parkinson's disease turn
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Stack, Emma
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          Dates:
            – D: 01
              M: 01
              Type: published
              Y: 2003
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