Effects of Repetitive Shoulder Activity on the Subacromial Space in Manual Wheelchair Users

This study investigated (1) the effect of repetitive weight-relief raises (WR) and shoulder external rotation (ER) on the acromiohumeral distance (AHD) among manual wheelchair users (MWUs) and (2) the relationship between shoulder pain, subject characteristics, and AHD changes. Twenty-three MWUs und...

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Bibliographic Details
Published in:BioMed research international 2014-01, Vol.2014 (2014), p.1-9
Main Authors: Lin, Yen-Sheng, Boninger, Michael L., Worobey, Lynn, Farrokhi, Shawn, Koontz, Alicia M.
Format: Article
Language:English
Subjects:
Adult
Biomechanical Phenomena - physiology
Female
Health aspects
Humans
Male
Middle Aged
People with disabilities
Physically disabled persons
Physiological aspects
Range of Motion, Articular - physiology
Shoulder
Shoulder - diagnostic imaging
Shoulder - physiopathology
Shoulder pain
Shoulder Pain - diagnostic imaging
Shoulder Pain - physiopathology
Studies
Ultrasonography
Wheelchairs
Wheelchairs - adverse effects
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Summary:This study investigated (1) the effect of repetitive weight-relief raises (WR) and shoulder external rotation (ER) on the acromiohumeral distance (AHD) among manual wheelchair users (MWUs) and (2) the relationship between shoulder pain, subject characteristics, and AHD changes. Twenty-three MWUs underwent ultrasound imaging of the nondominant shoulder in an unloaded baseline position and while holding a WR position before and after the WR/ER tasks. Paired t-tests and Spearman correlational analysis were used to assess differences in the AHD before and after each task and the relationships between pain, subject characteristics, and the AHD measures. A significant reduction in the subacromial space (P
ISSN:2314-6133
2314-6141
DOI:10.1155/2014/583951