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Physical activity, isometric strength and body composition of university students

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dc.contributor.authorPreto, Leonel
dc.contributor.authorMendes, Eugénia
dc.contributor.authorNovo, André
dc.contributor.authorAzevedo, Ana
dc.date.accessioned2011-11-23T13:20:18Z
dc.date.available2011-11-23T13:20:18Z
dc.date.issued2011
dc.description.abstractThe importance of physical activity in promoting health and well-being of the young adult population is evidenced by several epidemiological studies. The increasing incidence in this population of cardiovascular, metabolic and degenerative diseases and obesity has been linked with an epidemic variable, the sedentary behavior, and commonly dubbed the “disease of the century”. Regular physical activity may contribute to the development of muscle strength, improve the quality of soft tissue and bone mass, and decreased body fat. The early inclusion of regular physical activity and other healthy lifestyles tend to be incorporated throughout life with noticeable gains in health and quality of life in adult life. In this study we assessed the physical activity level (PAL), muscle strength (MS) and body composition (BC) of 84 young adults in higher education with the following, assess physical activity; evaluate different manifestations of muscle strength; assess body composition and analyze the relationship between muscle strength, body composition and physical activity in young adults. We drew up a descriptive, correlational and cross-cutting study. To achieve our objective we collected the following data: a) Physical activity: short version of IPAQ (International Physical Activity Questionnaire). b) Muscle strength: hand grip of both hands with Jamar® c) Key pinch strength with digital dynamometer Baseline Hand Dynamometer; ® d) Maximum isometric strength of the quadriceps in seat 45-degree incline leg press machine linked to a strain gauge Ergo Meter – Globus ; ® f) Body composition: bioelectric impedance on Tanita Ironman Body Composition Monitor and appropriated software g) Height: stadiometer Seca A total of 84 university students were subject to this study, 66 females and 18 males with an average of 20,9±2,3 years old. In IPAQ classification we found 50 students with low, 25 with moderate and 9 with high level of physical activity. Relatively to muscle strength there were significant correlations between handgrip strength (both hands), key pinch strength (both hands) and isometric maximum strength of the quadriceps. Analysing body composition we can observe that female students with more IMC and more body fat present higher levels of physical activity. Regarding the male students, we can find the opposite: the lesser the percentage of body fat and lower IMC levels the higher physical activity. We found no relation between the different strength demonstrations and the levels of physical activity. When correlating handgrip strength (right hand; left hand) with body composition, we observed correlations between: ® Height (0,704**; 0,705**), total body fat (-0,412**; -0,428**), weight (0,406**; 0,463**), body water (0,441**; 0,453**), visceral fat level (0,223*; 0,259*), bone mass (0,800**; 0,798**) and muscular mass (0,816**; 0,803**). When correlating key pinch strength (right hand; left hand) with body composition, we observed correlations between: Height (0,577**; 0,531**), total body fat (-0,389**; -0,252*), weight (0,336**; 0,424**), body water (0,449**; 0,348**), bone mass (0,638**; 0,657**) and muscular mass (0,677**; 0,684**). When correlating maximum isometric strength of the quadriceps with body composition, we observed correlations between: Height (0,355**), total body fat (-0,389**), body water (0,389**), bone mass (0,480**) and muscular mass (0,490**).Results indicate that the evaluated university students are mainly sedentary. We also concluded that there are very strong positive correlations between the different manifestations of strength and that there is no relationship between the different manifestations of strength and levels of physical activity. Analyzing our results, we can conjecture about why young people do exercise: females exercise themselves to lose height and males to maintain physical condition. But there are strong correlations between the different manifestations of strength and the different variables of body composition.por
dc.identifier.citationPreto, Leonel; Mendes, Eugénia; Novo, André; Azevedo, Ana ( 2011). Physical activity, isometric strength and body composition of university students. In 7th EFSMA – European Congress of Sports Medicine 3rd Central European Congress of Physical Medicine and Rehabilitation. Salzburg, Austria. p. 281-282por
dc.identifier.other10.3205/11esm229
dc.identifier.urihttp://hdl.handle.net/10198/6347
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAustrian Society of Physical Medicine and Rehabilitationpor
dc.relation.publisherversionhttp://www.egms.de/en/meetings/esm2011/11esm229.shtmlpor
dc.subjectPhysical activitypor
dc.subjectIsometric strengthpor
dc.subjectBody compositionpor
dc.subjectUniversity studentspor
dc.titlePhysical activity, isometric strength and body composition of university studentspor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceSalzburg, Austriapor
oaire.citation.endPage282por
oaire.citation.startPage281por
oaire.citation.title7th EFSMA – European Congress of Sports Medicine 3rd Central European Congress of Physical Medicine and Rehabilitationpor
person.familyNamePreto
person.familyNameMendes
person.familyNameNovo
person.familyNameAzevedo
person.givenNameLeonel
person.givenNameEugénia
person.givenNameAndré
person.givenNameAna
person.identifierhttps://scholar.google.com.br/citations?user=YMih_6QAAAAJ&hl=pt-PT&oi=ao
person.identifierH-1386-2012
person.identifier.ciencia-id451C-C9C6-C5D6
person.identifier.ciencia-id7114-2BCC-DE82
person.identifier.ciencia-id7D14-8584-AB2B
person.identifier.orcid0000-0002-8126-7051
person.identifier.orcid0000-0001-6528-4284
person.identifier.orcid0000-0001-8583-0406
person.identifier.orcid0000-0002-7617-0917
person.identifier.ridM-7528-2016
person.identifier.scopus-author-id56465995600
person.identifier.scopus-author-id56465467200
person.identifier.scopus-author-id612710
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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