| The individual relationship between heart rate and oxygen uptake in people with a tetraplegia during exercise. | |
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MedLine Citation:
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PMID: 16801936 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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STUDY DESIGN: Descriptive study. OBJECTIVE: To examine the individual heart rate-oxygen uptake (HR-VO(2)) relationship during exercise in persons with tetraplegia (TP). SETTING: Rehabilitation Centre Heliomare, Wijk aan Zee, The Netherlands. METHODS: The HR-VO(2) relationship was determined in untrained subjects with motor complete TP (C5 or C6, n=10 and C7 or C8, n=10) during a discontinuous graded exercise hand cycle test. The mean HR and VO(2) of the final 60 s of 2-min exercise blocks were used for calculation of the individual correlation coefficient and the standard error of the estimate (SEE). RESULTS: Two subjects of the C5-C6 group were not able to complete the test. Individual Pearson's correlation coefficients (r) ranged from 0.68 to 0.97 and SEE from 2.6 to 22.4% VO(2)-Reserve (VO(2)R). The mean Pearson's r and SEE were 0.81+/-0.12 and 10.6+/-5.6% VO(2)R in the C5-C6 group and 0.91+/-0.07 and 7.0+/-3.2% VO(2)R in the C7-C8 group, respectively. Two subjects of the C5-C6 group and six subjects of the C7-C8 group attained a linear HR-VO(2) relationship with an acceptable SEE (< or =6.0%) and r (>0.90). CONCLUSIONS: The HR-VO(2) relationship appeared linear in only eight out of 18 subjects. An individual analysis of the HR-VO(2) relationship is necessary to determine whether HR can be used to quantify exercise intensity. The use of HR to prescribe training intensity should be reconsidered in persons with TP. SPONSORSHIP: This study is supported from a grant by ZON-MW. |
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Authors:
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L J M Valent; A J Dallmeijer; H Houdijk; J Slootman; T W J Janssen; A P Hollander; L H V van der Woude |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2006-06-27 |
Journal Detail:
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Title: Spinal cord Volume: 45 ISSN: 1362-4393 ISO Abbreviation: Spinal Cord Publication Date: 2007 Jan |
Date Detail:
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Created Date: 2007-01-04 Completed Date: 2007-03-02 Revised Date: 2011-06-06 |
Medline Journal Info:
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Nlm Unique ID: 9609749 Medline TA: Spinal Cord Country: England |
Other Details:
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Languages: eng Pagination: 104-11 Citation Subset: IM |
Affiliation:
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Heliomare Rehabilitation Centre, Relweg 51, 1949 EC Wijk aan Zee, The Netherlands. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Exercise / physiology* Female Heart Rate / physiology* Humans Male Middle Aged Oxygen Consumption / physiology* Quadriplegia / physiopathology*, rehabilitation |
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