Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups

Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups

Abstract The aim of this study was to analyze the acute hemodynamic responses to strength exercise with blood flow restriction involving small muscle groups. The sample consisted of 10 male volunteers (22.6 ± 2.07 years, 1.78 ± 0.06 m, 76.32 ± 13.36 kg) who randomly performed two experimental protocols involving the elbow flexion exercise with the dominant arm: strength exercise of the elbow flexors with blood flow restriction (EFBFR) and strength exercise of the elbow flexors without blood flow restriction (EEF). A cross-over design with a seven to ten days interval between the experimental protocols was used. Systolic blood pressure (SBP), diastolic (DBP) and mean (MAP), pulse pressure (PP), heart rate (HR) and double product (DP) were evaluated at rest, immediately after exercise and at 15 minutes of recovery. SBP, DBP and MAP presented a significant increase (p <0.05) immediately after EFBFR when compared to the protocol without blood flow restriction, returning to rest values at the 15 minutes of recovery. DBP significantly reduced (p <0.05) in the recovery period only in the EFBFR experiment and HR increased post-effort in both experiments. The PP and DP did not change between the different times, regardless of the protocol.The results of the present study allow us to conclude that strength exercise with BFR involving small muscle groups was more efficient than exercise without BFR to promote acute changes in hemodynamic responses and that BFR did not represent a cardiovascular risk considering its effects on PP.

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Main Authors: Bonorino,Sabrina Lencina, Sá,Clodoaldo Antônio de, Corralo,Vanessa da Silva, Olkoski,Mabel Michelini, Silva-Grigoletto,Marzo Edir da, Saretto,Chystianne Barros, Resende Neto,Antônio Gomes de
Format: Digital revista
Language:English
Published: Universidade Federal de Santa Catarina 2019
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-00372019000100309
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spelling oai:scielo:S1980-003720190001003092019-05-27Hemodynamic responses to strength exercise with blood flow restriction in small muscle groupsBonorino,Sabrina LencinaSá,Clodoaldo Antônio deCorralo,Vanessa da SilvaOlkoski,Mabel MicheliniSilva-Grigoletto,Marzo Edir daSaretto,Chystianne BarrosResende Neto,Antônio Gomes de Blood pressure Exercise therapy Resistance training Abstract The aim of this study was to analyze the acute hemodynamic responses to strength exercise with blood flow restriction involving small muscle groups. The sample consisted of 10 male volunteers (22.6 ± 2.07 years, 1.78 ± 0.06 m, 76.32 ± 13.36 kg) who randomly performed two experimental protocols involving the elbow flexion exercise with the dominant arm: strength exercise of the elbow flexors with blood flow restriction (EFBFR) and strength exercise of the elbow flexors without blood flow restriction (EEF). A cross-over design with a seven to ten days interval between the experimental protocols was used. Systolic blood pressure (SBP), diastolic (DBP) and mean (MAP), pulse pressure (PP), heart rate (HR) and double product (DP) were evaluated at rest, immediately after exercise and at 15 minutes of recovery. SBP, DBP and MAP presented a significant increase (p <0.05) immediately after EFBFR when compared to the protocol without blood flow restriction, returning to rest values at the 15 minutes of recovery. DBP significantly reduced (p <0.05) in the recovery period only in the EFBFR experiment and HR increased post-effort in both experiments. The PP and DP did not change between the different times, regardless of the protocol.The results of the present study allow us to conclude that strength exercise with BFR involving small muscle groups was more efficient than exercise without BFR to promote acute changes in hemodynamic responses and that BFR did not represent a cardiovascular risk considering its effects on PP.info:eu-repo/semantics/openAccessUniversidade Federal de Santa CatarinaRevista Brasileira de Cineantropometria &amp; Desempenho Humano v.21 20192019-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-00372019000100309en10.5007/1980-0037.2019v21e56258
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countrycode BR
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libraryname SciELO
language English
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author Bonorino,Sabrina Lencina
Sá,Clodoaldo Antônio de
Corralo,Vanessa da Silva
Olkoski,Mabel Michelini
Silva-Grigoletto,Marzo Edir da
Saretto,Chystianne Barros
Resende Neto,Antônio Gomes de
spellingShingle Bonorino,Sabrina Lencina
Sá,Clodoaldo Antônio de
Corralo,Vanessa da Silva
Olkoski,Mabel Michelini
Silva-Grigoletto,Marzo Edir da
Saretto,Chystianne Barros
Resende Neto,Antônio Gomes de
Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
author_facet Bonorino,Sabrina Lencina
Sá,Clodoaldo Antônio de
Corralo,Vanessa da Silva
Olkoski,Mabel Michelini
Silva-Grigoletto,Marzo Edir da
Saretto,Chystianne Barros
Resende Neto,Antônio Gomes de
author_sort Bonorino,Sabrina Lencina
title Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
title_short Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
title_full Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
title_fullStr Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
title_full_unstemmed Hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
title_sort hemodynamic responses to strength exercise with blood flow restriction in small muscle groups
description Abstract The aim of this study was to analyze the acute hemodynamic responses to strength exercise with blood flow restriction involving small muscle groups. The sample consisted of 10 male volunteers (22.6 ± 2.07 years, 1.78 ± 0.06 m, 76.32 ± 13.36 kg) who randomly performed two experimental protocols involving the elbow flexion exercise with the dominant arm: strength exercise of the elbow flexors with blood flow restriction (EFBFR) and strength exercise of the elbow flexors without blood flow restriction (EEF). A cross-over design with a seven to ten days interval between the experimental protocols was used. Systolic blood pressure (SBP), diastolic (DBP) and mean (MAP), pulse pressure (PP), heart rate (HR) and double product (DP) were evaluated at rest, immediately after exercise and at 15 minutes of recovery. SBP, DBP and MAP presented a significant increase (p <0.05) immediately after EFBFR when compared to the protocol without blood flow restriction, returning to rest values at the 15 minutes of recovery. DBP significantly reduced (p <0.05) in the recovery period only in the EFBFR experiment and HR increased post-effort in both experiments. The PP and DP did not change between the different times, regardless of the protocol.The results of the present study allow us to conclude that strength exercise with BFR involving small muscle groups was more efficient than exercise without BFR to promote acute changes in hemodynamic responses and that BFR did not represent a cardiovascular risk considering its effects on PP.
publisher Universidade Federal de Santa Catarina
publishDate 2019
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-00372019000100309
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