| Exercise intensity self-regulation using the OMNI scale in children with cystic fibrosis. | |
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MedLine Citation:
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PMID: 22997144 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Prescribing exercise at intensities that improve fitness is difficult in children with cystic fibrosis (CF) due to ventilatory limitations and fluctuating health status. Our aim was to determine if children with CF could regulate the intensity of cycle ergometer and treadmill exercise using target ratings of perceived exertion (RPE) derived from the Children's OMNI Scale. We examined prescription congruence (similar oxygen consumption [VO(2) ] and heart rate [HR] for target RPE) and intensity discrimination (different VO(2) and HR for different RPEs), from cycle to cycle and cycle to treadmill. Subjects were 24 children (12 male, 12 female), aged 10-17 years with varying disease severity. Each child participated in one orientation, one estimation trial (graded maximal exercise test), and two production trials (cycle and treadmill, alternating between RPE 4 and 7). At RPE 4, congruence was evident for both VO(2) and HR on the treadmill. On the cycle at RPE 4, VO(2) was significantly higher only in the first production trial, although HRs tended to be higher in the production trials than the estimation trial. Prescription congruence was also supported at RPE 7, with no significant differences in VO(2) or HR between estimation and production trials on cycle or treadmill. Results fully supported intensity discrimination, with significant differences between VO(2) and HR at RPE 4 and 7 (P < 0.0001). Children with CF appear capable of using the OMNI Scale to regulate cycle and treadmill exercise intensity. Training using this methodology has the potential to promote fitness in children with CF of varying severity. Pediatr Pulmonol. © 2012 Wiley Periodicals, Inc. |
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Authors:
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Linda W Higgins; Robert J Robertson; Sheryl F Kelsey; Marian B Olson; Leslie A Hoffman; Paul J Rebovich; Luke Haile; David M Orenstein |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-19 |
Journal Detail:
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Title: Pediatric pulmonology Volume: - ISSN: 1099-0496 ISO Abbreviation: Pediatr. Pulmonol. Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8510590 Medline TA: Pediatr Pulmonol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Wiley Periodicals, Inc. |
Affiliation:
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Schools of Medicine and Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania. higglw@upmc.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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