| Energy cost, exercise intensity, and gait efficiency of standard versus rocker-bottom axillary crutch walking. | |
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MedLine Citation:
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PMID: 2374777 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of this study was to investigate differences in selected biomechanical and physiological measurements and subjective preferences for ambulation with the standard single-tip axillary crutch versus the rocker-bottom-type axillary crutch. Self-selected walking velocities (S-SWVs) and stride length for each crutch type were determined for a two-point, non-weight-bearing, swing-through gait in 24 healthy volunteers. Relative exercise intensity, oxygen uptake (VO2), and gait efficiency were assessed for each crutch type at both S-SWVs. Subjects negotiated two architectural barriers (stairs and ramp) and completed a subjective questionnaire concerning crutch preferences. Walking with either crutch type resulted in slower S-SWVs, greater VO2, higher relative exercise intensity, and reduced gait efficiency compared with values for normal unassisted ambulation. An analysis of variance for these variables revealed nonsignificant between-crutch differences. Based on the subjective data, a preference for the standard single-tip crutch was evident. Within the scope of the study, the results supported no apparent advantage relative to energy expenditure to using the rocker-bottom crutch. |
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Authors:
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D H Nielsen; J M Harris; Y M Minton; N S Motley; J L Rowley; C T Wadsworth |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Physical therapy Volume: 70 ISSN: 0031-9023 ISO Abbreviation: Phys Ther Publication Date: 1990 Aug |
Date Detail:
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Created Date: 1990-08-27 Completed Date: 1990-08-27 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0022623 Medline TA: Phys Ther Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 487-93 Citation Subset: AIM; IM |
Affiliation:
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Graduate Program in Physical Therapy, College of Medicine, University of Iowa, Iowa City 52242. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Biomechanics Crutches* Energy Metabolism / physiology* Equipment Design Female Gait / physiology* Humans |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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