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Dysfunctional turning in Parkinson's disease.

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Title: Dysfunctional turning in Parkinson's disease.
Authors: Stack E (AUTHOR), Ashburn A (AUTHOR)
Source: Disability & Rehabilitation. 2008, Vol. 30 Issue 16, p1222-1229. 8p.
Abstract: Purpose. People with Parkinson's disease (PD) frequently freeze or fall turning: They turn slowly taking numerous steps. We aimed to describe more fully the differences observed on turning between people with and without PD, in particular the extent of left-right asymmetry and the correlations between turning and age, balance and PD severity, using a simple clinical test. Method. Twenty-eight people with PD (median age 71; median years since diagnosis eight) and 12 controls (median age 70) performed the video-based Standing Start 180 degrees Turn Test. We counted turning steps (n), evaluated turn time (sec), type and quality (0 - 5, based on independence, ground clearance, stability, continuity and posture) and calculated the 95% limits of left-right agreement. Results. The groups differed (p < 0.004) on step count (medians 4.5 vs. 3), time (2.3 sec vs. 1.7 sec) and quality (4 vs. 5). In the PD group, 75% turned 'on-the-spot' and differences turning left and right were marked (e.g., 95% upper limit for step count 6.6). Among controls, 42% turned 'on-the-spot' and turning was symmetrical (e.g., 95% upper limit for step count 1.7). Step count was most closely correlated with self-assessed disability in PD (r = 0.67; p = 0.001) and with age among controls (r = 0.87; p = 0.001). Conclusions. People having difficulty turning are likely to have trouble with many everyday activities and thus may benefit from rehabilitation. Directional asymmetry in turning is easily identifiable and future studies should explore its diagnostic value. [ABSTRACT FROM AUTHOR]
Copyright of Disability & Rehabilitation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Dysfunctional turning in Parkinson&#39;s disease.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Stack+E%22&quot;&gt;Stack E&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ashburn+A%22&quot;&gt;Ashburn A&lt;/searchLink&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Disability+%26+Rehabilitation%22&quot;&gt;Disability &amp; Rehabilitation&lt;/searchLink&gt;. 2008, Vol. 30 Issue 16, p1222-1229. 8p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose. People with Parkinson&#39;s disease (PD) frequently freeze or fall turning: They turn slowly taking numerous steps. We aimed to describe more fully the differences observed on turning between people with and without PD, in particular the extent of left-right asymmetry and the correlations between turning and age, balance and PD severity, using a simple clinical test. Method. Twenty-eight people with PD (median age 71; median years since diagnosis eight) and 12 controls (median age 70) performed the video-based Standing Start 180 degrees Turn Test. We counted turning steps (n), evaluated turn time (sec), type and quality (0 - 5, based on independence, ground clearance, stability, continuity and posture) and calculated the 95% limits of left-right agreement. Results. The groups differed (p &lt; 0.004) on step count (medians 4.5 vs. 3), time (2.3 sec vs. 1.7 sec) and quality (4 vs. 5). In the PD group, 75% turned &#39;on-the-spot&#39; and differences turning left and right were marked (e.g., 95% upper limit for step count 6.6). Among controls, 42% turned &#39;on-the-spot&#39; and turning was symmetrical (e.g., 95% upper limit for step count 1.7). Step count was most closely correlated with self-assessed disability in PD (r = 0.67; p = 0.001) and with age among controls (r = 0.87; p = 0.001). Conclusions. People having difficulty turning are likely to have trouble with many everyday activities and thus may benefit from rehabilitation. Directional asymmetry in turning is easily identifiable and future studies should explore its diagnostic value. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Disability &amp; Rehabilitation is the property of Taylor &amp; Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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