A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation
The six-minute walk test (6MWT) is considered to be a simple and inexpensive tool for the assessment of functional tolerance of submaximal effort. The aim of this work was 1) to background the nonlinear nature of the energy expenditure process due to physical activity, 2) to compare the results/scor...
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| Veröffentlicht in: | PloS one 2018-02, Vol.13 (2), p.e0191875-e0191875 |
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| creator | Szczegielniak, Jan Latawiec, Krzysztof J Łuniewski, Jacek Stanisławski, Rafał Bogacz, Katarzyna Krajczy, Marcin Rydel, Marek |
| description | The six-minute walk test (6MWT) is considered to be a simple and inexpensive tool for the assessment of functional tolerance of submaximal effort. The aim of this work was 1) to background the nonlinear nature of the energy expenditure process due to physical activity, 2) to compare the results/scores of the submaximal treadmill exercise test and those of 6MWT in pulmonary patients and 3) to develop nonlinear mathematical models relating the two.
The study group included patients with the COPD. All patients were subjected to a submaximal exercise test and a 6MWT. To develop an optimal mathematical solution and compare the results of the exercise test and the 6MWT, the least squares and genetic algorithms were employed to estimate parameters of polynomial expansion and piecewise linear models.
Mathematical analysis enabled to construct nonlinear models for estimating the MET result of submaximal exercise test based on average walk velocity (or distance) in the 6MWT.
Submaximal effort tolerance in COPD patients can be effectively estimated from new, rehabilitation-oriented, nonlinear models based on the generalized MET concept and the 6MWT. |
| doi_str_mv | 10.1371/journal.pone.0191875 |
| format | Article |
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The study group included patients with the COPD. All patients were subjected to a submaximal exercise test and a 6MWT. To develop an optimal mathematical solution and compare the results of the exercise test and the 6MWT, the least squares and genetic algorithms were employed to estimate parameters of polynomial expansion and piecewise linear models.
Mathematical analysis enabled to construct nonlinear models for estimating the MET result of submaximal exercise test based on average walk velocity (or distance) in the 6MWT.
Submaximal effort tolerance in COPD patients can be effectively estimated from new, rehabilitation-oriented, nonlinear models based on the generalized MET concept and the 6MWT.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0191875</identifier><identifier>PMID: 29425213</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adult ; Aged ; Algorithms ; Biology and Life Sciences ; Cardiovascular disease ; Chronic obstructive pulmonary disease ; Computer engineering ; Energy expenditure ; Exercise ; Female ; Fitness equipment ; Genetic algorithms ; Heart rate ; Humans ; Linear Models ; Lung diseases ; Male ; Mathematical models ; Mathematical problems ; Medicine and Health Sciences ; Metabolism ; Methods ; Middle Aged ; Parameter estimation ; Patients ; Physical activity ; Physical education ; Physical fitness ; Physical Sciences ; Physical training ; Pulmonary Disease, Chronic Obstructive - physiopathology ; Pulmonary Disease, Chronic Obstructive - rehabilitation ; Rehabilitation ; Research and Analysis Methods ; Studies</subject><ispartof>PloS one, 2018-02, Vol.13 (2), p.e0191875-e0191875</ispartof><rights>2018 Szczegielniak et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2018 Szczegielniak et al 2018 Szczegielniak et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c526t-716c96696f8664a4b9f0c3537f0d6b558dce13ca9d8ca15248147170856399ab3</citedby><cites>FETCH-LOGICAL-c526t-716c96696f8664a4b9f0c3537f0d6b558dce13ca9d8ca15248147170856399ab3</cites><orcidid>0000-0002-1646-4921</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5806867/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5806867/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,27901,27902,53766,53768,79342,79343</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29425213$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Szczegielniak, Jan</creatorcontrib><creatorcontrib>Latawiec, Krzysztof J</creatorcontrib><creatorcontrib>Łuniewski, Jacek</creatorcontrib><creatorcontrib>Stanisławski, Rafał</creatorcontrib><creatorcontrib>Bogacz, Katarzyna</creatorcontrib><creatorcontrib>Krajczy, Marcin</creatorcontrib><creatorcontrib>Rydel, Marek</creatorcontrib><title>A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>The six-minute walk test (6MWT) is considered to be a simple and inexpensive tool for the assessment of functional tolerance of submaximal effort. The aim of this work was 1) to background the nonlinear nature of the energy expenditure process due to physical activity, 2) to compare the results/scores of the submaximal treadmill exercise test and those of 6MWT in pulmonary patients and 3) to develop nonlinear mathematical models relating the two.
The study group included patients with the COPD. All patients were subjected to a submaximal exercise test and a 6MWT. To develop an optimal mathematical solution and compare the results of the exercise test and the 6MWT, the least squares and genetic algorithms were employed to estimate parameters of polynomial expansion and piecewise linear models.
Mathematical analysis enabled to construct nonlinear models for estimating the MET result of submaximal exercise test based on average walk velocity (or distance) in the 6MWT.
Submaximal effort tolerance in COPD patients can be effectively estimated from new, rehabilitation-oriented, nonlinear models based on the generalized MET concept and the 6MWT.</description><subject>Adult</subject><subject>Aged</subject><subject>Algorithms</subject><subject>Biology and Life Sciences</subject><subject>Cardiovascular disease</subject><subject>Chronic obstructive pulmonary disease</subject><subject>Computer engineering</subject><subject>Energy expenditure</subject><subject>Exercise</subject><subject>Female</subject><subject>Fitness equipment</subject><subject>Genetic algorithms</subject><subject>Heart rate</subject><subject>Humans</subject><subject>Linear Models</subject><subject>Lung diseases</subject><subject>Male</subject><subject>Mathematical models</subject><subject>Mathematical problems</subject><subject>Medicine and Health Sciences</subject><subject>Metabolism</subject><subject>Methods</subject><subject>Middle Aged</subject><subject>Parameter estimation</subject><subject>Patients</subject><subject>Physical activity</subject><subject>Physical education</subject><subject>Physical fitness</subject><subject>Physical Sciences</subject><subject>Physical training</subject><subject>Pulmonary Disease, Chronic Obstructive - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Szczegielniak, Jan</au><au>Latawiec, Krzysztof J</au><au>Łuniewski, Jacek</au><au>Stanisławski, Rafał</au><au>Bogacz, Katarzyna</au><au>Krajczy, Marcin</au><au>Rydel, Marek</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2018-02-09</date><risdate>2018</risdate><volume>13</volume><issue>2</issue><spage>e0191875</spage><epage>e0191875</epage><pages>e0191875-e0191875</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>The six-minute walk test (6MWT) is considered to be a simple and inexpensive tool for the assessment of functional tolerance of submaximal effort. The aim of this work was 1) to background the nonlinear nature of the energy expenditure process due to physical activity, 2) to compare the results/scores of the submaximal treadmill exercise test and those of 6MWT in pulmonary patients and 3) to develop nonlinear mathematical models relating the two.
The study group included patients with the COPD. All patients were subjected to a submaximal exercise test and a 6MWT. To develop an optimal mathematical solution and compare the results of the exercise test and the 6MWT, the least squares and genetic algorithms were employed to estimate parameters of polynomial expansion and piecewise linear models.
Mathematical analysis enabled to construct nonlinear models for estimating the MET result of submaximal exercise test based on average walk velocity (or distance) in the 6MWT.
Submaximal effort tolerance in COPD patients can be effectively estimated from new, rehabilitation-oriented, nonlinear models based on the generalized MET concept and the 6MWT.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>29425213</pmid><doi>10.1371/journal.pone.0191875</doi><orcidid>https://orcid.org/0000-0002-1646-4921</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Aged Algorithms Biology and Life Sciences Cardiovascular disease Chronic obstructive pulmonary disease Computer engineering Energy expenditure Exercise Female Fitness equipment Genetic algorithms Heart rate Humans Linear Models Lung diseases Male Mathematical models Mathematical problems Medicine and Health Sciences Metabolism Methods Middle Aged Parameter estimation Patients Physical activity Physical education Physical fitness Physical Sciences Physical training Pulmonary Disease, Chronic Obstructive - physiopathology Pulmonary Disease, Chronic Obstructive - rehabilitation Rehabilitation Research and Analysis Methods Studies |
| title | A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation |
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