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Control of lead and trail limbs during obstacle crossing following stroke

Said, Catherine M., Goldie, Patricia A., Culham, Elsie, Sparrow, William A., Patla, Aftab E. and Morris, Meg E. 2005, Control of lead and trail limbs during obstacle crossing following stroke, Physical therapy, vol. 85, no. 5, pp. 413-427.

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Title Control of lead and trail limbs during obstacle crossing following stroke
Author(s) Said, Catherine M.
Goldie, Patricia A.
Culham, Elsie
Sparrow, William A.
Patla, Aftab E.
Morris, Meg E.
Journal name Physical therapy
Volume number 85
Issue number 5
Start page 413
End page 427
Publisher American Physical Therapy Association
Place of publication Alexandria, Va.
Publication date 2005-05
ISSN 0031-9023
Keyword(s) biomechanics
cerebrovascular accident
gait disorders -- neurologic
Summary Background and Purpose. Obstacle crossing is compromised following stroke. The purpose of this study was to quantify modifications during obstacle clearance following stroke.

Subjects. Twelve subjects with stroke and 12 subjects without stroke participated in the study.

Methods. Kinematic variables were measured while participants crossed a 4-cm-high obstacle. Subjects with stroke walked at a self-selected speed; subjects without stroke walked at a comparable speed and at a self-selected speed.

Results. Several modifications were observed following stroke with both groups walking at self-selected speeds. The affected lead limb was positioned closer to the obstacle before crossing. Affected trail-limb clearance over the obstacle was reduced. Both affected and unaffected lead and trail limbs landed closer to the obstacle after clearance. Swing time was increased in the affected lead limb after obstacle clearance. Fewer modifications were detected at matched walking speed; the trail limb still landed closer to the obstacle.

Discussion and Conclusion. Modifications during obstacle crossing following stroke may be partly related to walking speed. The findings raise issues of safety because people with stroke demonstrated reduced clearance of a 4-cm obstacle and limb placement closer to the obstacle after clearance.
Language eng
Field of Research 110399 Clinical Sciences not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, American Physical Therapy Association
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Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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