- Current status of pelvic lateral shift in patients with Parkinson’s disease and its relation to lateral trunk flexion
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Kyohei Mikami, Makoto Shiraishi, Akika Yoshimoto, Tsutomu Kamo
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Received January 25, 2025 Accepted April 15, 2025 Published online April 15, 2025
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DOI: https://doi.org/10.14802/jmd.25017
[Accepted]
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 Abstract
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- Objectives
A lack of standardized methods for evaluating postural abnormalities hinders treatment progress. The role of pelvic lateral shift (PLS) in patients with Parkinson’s disease (PwP) exhibiting lateral trunk flexion (LTF) remains unclear. We hypothesized that PLS is related to LTF and investigated its characteristics and relationship to LTF angle.
Methods
PwP attending outpatient rehabilitation (March 2018–March 2023) were assessed using still images. PLS direction, its relationship with LTF angle, and LTF angle by PLS side were analysed.
Results
Among 158 patients, PLS was contralateral in 80 (50.6%), ipsilateral in 43 (27.2%), and absent in 35 (22.2%). In contralateral PLS, but not ipsilateral, PLS angle correlated with LTF angle (r=0.48, p<0.001). LTF angle was greater in contralateral (8.5±9.6°) than ipsilateral shift (2.8±4.2°, p<0.001).
Conclusions
Because of the positive relationship between LTF angle and contralateral shift angle, evaluation criteria that include PLS are needed for PwP with LTF.
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