NDLI: Increased shoulder abduction loads decreases volitional finger extension in individuals with chronic stroke: Preliminary findings

Content Provider	IEEE Xplore Digital Library
Author	Yiyun Lan Jun Yao Dewald, J.
Copyright Year	2014
Description	Author affiliation: Dept. of Phys. Therapy & Human Movement Sci., Northwestern Univ., Chicago, IL, USA (Jun Yao; Dewald, J.) \|\| Interdept. Neurosci. Program, Northwestern Univ. (NUIN), Chicago, IL, USA (Yiyun Lan)
Abstract	The ability to open the paretic hand is greatly affected after a stroke. The loss of especially finger extension has been previously reported during isolated finger movements. However, activities of daily life require the combination of reaching and grasping which will require shoulder abduction. Shoulder abductor activity will result in concurrent elbow, wrist and finger flexion which is also referred to as the flexion synergy. Therefore as part of this study the effect of of shoulder abduction (SABD) loading on volitional finger extension in individuals with chronic stroke is investigated. We expect to observe that shoulder abduction loading will further decrease the already impaired volitional finger extension in individuals with chronic stroke. A total of four moderately impaired individuals with chronic stroke and three age-matched able-bodied subjects participated in this study. Finger extension was recorded during hand open while subjects kept their arm extended at the end of a reach. The preliminary data showed that the maximal volitional finger extension was significantly decreased by increasing the SABD loads in individuals with chronic stroke, but not in age-matched able-bodied subjects.
Sponsorship	IEEE Eng. Med. Biol. Soc.
Starting Page	5808
Ending Page	5811
File Size	715330
Page Count	4
File Format	PDF
ISBN	9781424479290
ISSN	1557170X
DOI	10.1109/EMBC.2014.6944948
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thumb Shoulder Wrist Muscles Elbow Loading
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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