Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women

Detalhes bibliográficos
Autor(a) principal: Brech, Guilherme Carlos
Data de Publicação: 2020
Outros Autores: Paula, Thalita Sousa de, Fedele, Thiago Antônio, Dias, Aluane Silva, Soares-Júnior, José Maria, Bordalo-Rodrigues, Marcelo, Baracat, Edmund Chada, Alonso, Angélica Castilho, Greve, Julia Maria D’Andréa
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Clinics
Texto Completo: https://www.revistas.usp.br/clinics/article/view/192351
Resumo: OBJECTIVES: Menopause marks the end of women’s reproductive period and can lead to sarcopenia and osteoporosis (OP), increasing the risk of falls and fractures. The aim of this study is to evaluate the influence of normal and low bone mineral density (BMD) on muscular activity, observed through inflammatory edema when mapping using magnetic resonance imaging (MRI) on the quadriceps muscle of postmenopausal women. METHODS: This was a cross-sectional study involving 16 older women, who were divided into two groups: osteoporosis group (OG), older women with OP, and control group (CG), older women without OP. The groups were evaluated in terms of nuclear MRI exam before and after carrying out fatigue protocol exercises using an isokinetic dynamometer and squatting exercises. RESULTS: The results of the present study showed that in intragroup comparisons, for both groups, there was a significant increase (po0.05) in the T2 signal of the nuclear MRI in the quadriceps muscle after carrying out exercises using both thighs. In the intergroup comparison, no statistically significant difference was observed between the OG and CG, pre- (p=0.343) and postexercise (p=0.874). CONCLUSION: The acute muscular activation of the quadriceps evaluated by T2 mapping on nuclear MRI equipment is equal in women with and without OP in the postmenopausal phase. BMD did not interfere with muscle response to exercise when muscle fatigue was reached.
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spelling Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal womenOsteoporosisPostmenopausalSarcopeniaMuscle FatigueMagnetic Resonance ImagingOBJECTIVES: Menopause marks the end of women’s reproductive period and can lead to sarcopenia and osteoporosis (OP), increasing the risk of falls and fractures. The aim of this study is to evaluate the influence of normal and low bone mineral density (BMD) on muscular activity, observed through inflammatory edema when mapping using magnetic resonance imaging (MRI) on the quadriceps muscle of postmenopausal women. METHODS: This was a cross-sectional study involving 16 older women, who were divided into two groups: osteoporosis group (OG), older women with OP, and control group (CG), older women without OP. The groups were evaluated in terms of nuclear MRI exam before and after carrying out fatigue protocol exercises using an isokinetic dynamometer and squatting exercises. RESULTS: The results of the present study showed that in intragroup comparisons, for both groups, there was a significant increase (po0.05) in the T2 signal of the nuclear MRI in the quadriceps muscle after carrying out exercises using both thighs. In the intergroup comparison, no statistically significant difference was observed between the OG and CG, pre- (p=0.343) and postexercise (p=0.874). CONCLUSION: The acute muscular activation of the quadriceps evaluated by T2 mapping on nuclear MRI equipment is equal in women with and without OP in the postmenopausal phase. BMD did not interfere with muscle response to exercise when muscle fatigue was reached.Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo2020-08-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/clinics/article/view/19235110.6061/clinics/2020/e1768Clinics; Vol. 75 (2020); e1768Clinics; v. 75 (2020); e1768Clinics; Vol. 75 (2020); e17681980-53221807-5932reponame:Clinicsinstname:Universidade de São Paulo (USP)instacron:USPenghttps://www.revistas.usp.br/clinics/article/view/192351/177251Copyright (c) 2020 Clinicshttp://creativecommons.org/licenses/by-nc-sa/4.0info:eu-repo/semantics/openAccessBrech, Guilherme Carlos Paula, Thalita Sousa de Fedele, Thiago Antônio Dias, Aluane Silva Soares-Júnior, José Maria Bordalo-Rodrigues, Marcelo Baracat, Edmund Chada Alonso, Angélica Castilho Greve, Julia Maria D’Andréa 2021-11-09T19:32:56Zoai:revistas.usp.br:article/192351Revistahttps://www.revistas.usp.br/clinicsPUBhttps://www.revistas.usp.br/clinics/oai||clinics@hc.fm.usp.br1980-53221807-5932opendoar:2021-11-09T19:32:56Clinics - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
title Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
spellingShingle Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
Brech, Guilherme Carlos
Osteoporosis
Postmenopausal
Sarcopenia
Muscle Fatigue
Magnetic Resonance Imaging
title_short Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
title_full Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
title_fullStr Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
title_full_unstemmed Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
title_sort Response to fatigue observed through magnetic resonance imaging on the quadriceps muscle in postmenopausal women
author Brech, Guilherme Carlos
author_facet Brech, Guilherme Carlos
Paula, Thalita Sousa de
Fedele, Thiago Antônio
Dias, Aluane Silva
Soares-Júnior, José Maria
Bordalo-Rodrigues, Marcelo
Baracat, Edmund Chada
Alonso, Angélica Castilho
Greve, Julia Maria D’Andréa
author_role author
author2 Paula, Thalita Sousa de
Fedele, Thiago Antônio
Dias, Aluane Silva
Soares-Júnior, José Maria
Bordalo-Rodrigues, Marcelo
Baracat, Edmund Chada
Alonso, Angélica Castilho
Greve, Julia Maria D’Andréa
author2_role author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Brech, Guilherme Carlos
Paula, Thalita Sousa de
Fedele, Thiago Antônio
Dias, Aluane Silva
Soares-Júnior, José Maria
Bordalo-Rodrigues, Marcelo
Baracat, Edmund Chada
Alonso, Angélica Castilho
Greve, Julia Maria D’Andréa
dc.subject.por.fl_str_mv Osteoporosis
Postmenopausal
Sarcopenia
Muscle Fatigue
Magnetic Resonance Imaging
topic Osteoporosis
Postmenopausal
Sarcopenia
Muscle Fatigue
Magnetic Resonance Imaging
description OBJECTIVES: Menopause marks the end of women’s reproductive period and can lead to sarcopenia and osteoporosis (OP), increasing the risk of falls and fractures. The aim of this study is to evaluate the influence of normal and low bone mineral density (BMD) on muscular activity, observed through inflammatory edema when mapping using magnetic resonance imaging (MRI) on the quadriceps muscle of postmenopausal women. METHODS: This was a cross-sectional study involving 16 older women, who were divided into two groups: osteoporosis group (OG), older women with OP, and control group (CG), older women without OP. The groups were evaluated in terms of nuclear MRI exam before and after carrying out fatigue protocol exercises using an isokinetic dynamometer and squatting exercises. RESULTS: The results of the present study showed that in intragroup comparisons, for both groups, there was a significant increase (po0.05) in the T2 signal of the nuclear MRI in the quadriceps muscle after carrying out exercises using both thighs. In the intergroup comparison, no statistically significant difference was observed between the OG and CG, pre- (p=0.343) and postexercise (p=0.874). CONCLUSION: The acute muscular activation of the quadriceps evaluated by T2 mapping on nuclear MRI equipment is equal in women with and without OP in the postmenopausal phase. BMD did not interfere with muscle response to exercise when muscle fatigue was reached.
publishDate 2020
dc.date.none.fl_str_mv 2020-08-16
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.revistas.usp.br/clinics/article/view/192351
10.6061/clinics/2020/e1768
url https://www.revistas.usp.br/clinics/article/view/192351
identifier_str_mv 10.6061/clinics/2020/e1768
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.revistas.usp.br/clinics/article/view/192351/177251
dc.rights.driver.fl_str_mv Copyright (c) 2020 Clinics
http://creativecommons.org/licenses/by-nc-sa/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2020 Clinics
http://creativecommons.org/licenses/by-nc-sa/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo
publisher.none.fl_str_mv Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo
dc.source.none.fl_str_mv Clinics; Vol. 75 (2020); e1768
Clinics; v. 75 (2020); e1768
Clinics; Vol. 75 (2020); e1768
1980-5322
1807-5932
reponame:Clinics
instname:Universidade de São Paulo (USP)
instacron:USP
instname_str Universidade de São Paulo (USP)
instacron_str USP
institution USP
reponame_str Clinics
collection Clinics
repository.name.fl_str_mv Clinics - Universidade de São Paulo (USP)
repository.mail.fl_str_mv ||clinics@hc.fm.usp.br
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