Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
Texto Completo: | https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2013v15n4p458 |
Resumo: | Muscle activation (activation time) and the beginning of movement (motor reaction time) can be changed depending on the complexity of the task. The objectives of this study were to compare the time for activation of the paraspinal and the vastus lateralis muscles, and the motor reaction time during the execution of the tasks sit-to-stand (STS) and sit-to-walk (STW), which includes the execution of the subsequent task of gait initiation. Twelve healthy young subjects participated in the study. They performed two tasks(STS and STW), five times each, randomly, separated by two minutes of rest. The kinematics of the movement were recorded using a digital electrogoniometer attached to the hip joint and muscle activation using surface electromyographyin both muscles. The average of the five repetitions was calculated for each task. The beginning of the task was signaled by a luminous device, which was also used to identify the initial point for calculating the activation time andmotor reaction time. Both muscles showed a longer latency for the activation time and motor reaction time during the STW task when compared with STS. Basedon these results, it can be concluded that both the postural (paraspinal) and prime mover muscles (vastus lateralis) undergo change in the motor programming during the execution of the STS task when a subsequent task (gait initiation) is included. Motor programming is dependent on task complexity, where a more complex task (STW) will result in delays of movement programming and execution. |
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Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
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Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movementEfeitos da tarefa subsequente ao sentar e levantar sobre a ativação muscular e início do movimentoMuscle activation (activation time) and the beginning of movement (motor reaction time) can be changed depending on the complexity of the task. The objectives of this study were to compare the time for activation of the paraspinal and the vastus lateralis muscles, and the motor reaction time during the execution of the tasks sit-to-stand (STS) and sit-to-walk (STW), which includes the execution of the subsequent task of gait initiation. Twelve healthy young subjects participated in the study. They performed two tasks(STS and STW), five times each, randomly, separated by two minutes of rest. The kinematics of the movement were recorded using a digital electrogoniometer attached to the hip joint and muscle activation using surface electromyographyin both muscles. The average of the five repetitions was calculated for each task. The beginning of the task was signaled by a luminous device, which was also used to identify the initial point for calculating the activation time andmotor reaction time. Both muscles showed a longer latency for the activation time and motor reaction time during the STW task when compared with STS. Basedon these results, it can be concluded that both the postural (paraspinal) and prime mover muscles (vastus lateralis) undergo change in the motor programming during the execution of the STS task when a subsequent task (gait initiation) is included. Motor programming is dependent on task complexity, where a more complex task (STW) will result in delays of movement programming and execution.A ativação muscular (tempo para ativação) e o iníciodo movimento (tempo de reação motor) podem ser alterados em consequência dacomplexidade da tarefa. Os objetivos do estudo foram comparar o tempo para ativação dos músculos paravertebral e vasto lateral e o tempo reação motor durante a execução das tarefas de sentar e levanter (SPV) e sentar e levantar com a execução da tarefa subsequente de deambular (SPVE). Doze sujeitos jovens sadios participaram do estudo. Cada sujeito executou as duas tarefas (SPV eSPVE), realizando-as em cinco repetições, com intervalo de dois minutos, sendo estas escolhidas de forma aleatória. Foram analisadas a cinemática do movimento, utilizando um eletrogoniômetro digital acoplado a articulação do quadril e a ativação muscular, utilizando eletromiografia de superfície. Posteriormente, a média das cinco repetições foi calculada. O início da tarefa foi identificado por um sinal luminoso, sendo este também utilizado na identificaçãodo ponto inicial para o cálculo do tempo para ativação e motor. Tanto o músculo paravertebral quanto o vasto lateral, apresentaram maior latência para o tempo para ativação e motor na tarefa SPVE quando comparada a SPV. Conclui-se que tanto músculos posturais (paravertebrais) quanto os motores primários (vasto lateral) para a execução da tarefa SPV sofrem alteração na programação motora, quando uma tarefa subsequente (deambulação) é incluída. A programação motora é dependente da complexidade da tarefa a ser executada, sendo que uma tarefa mais complexa implica maiores latências para a programação e execução do movimento.Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil2013-04-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion"Avaliado por Pares",DescriptiveAvaliado por Parespesquisa quase-experimentalapplication/pdfhttps://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2013v15n4p45810.1590/1980-0037.2013v15n4p458Brazilian Journal of Kinanthropometry and Human Performance; Vol. 15 No. 4 (2013); 458-466Revista Brasileira de Cineantropometria e Desempenho Humano; v. 15 n. 4 (2013); 458-4661980-00371415-8426reponame:Revista Brasileira de Cineantropometria & Desempenho Humano (Online)instname:Universidade Federal de Santa Catarina (UFSC)instacron:UFSCenghttps://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2013v15n4p458/24585Silva, Franciele Camila daMelissa, Rodrigues AnaJoner, Wiest Matheusinfo:eu-repo/semantics/openAccess2022-11-21T14:14:57Zoai:periodicos.ufsc.br:article/24239Revistahttps://periodicos.ufsc.br/index.php/rbcdh/PUBhttps://periodicos.ufsc.br/index.php/rbcdh/oairbcdh@contato.ufsc.br || portaldeperiodicos.bu@contato.ufsc.br1980-00371415-8426opendoar:2022-11-21T14:14:57Revista Brasileira de Cineantropometria & Desempenho Humano (Online) - Universidade Federal de Santa Catarina (UFSC)false |
dc.title.none.fl_str_mv |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement Efeitos da tarefa subsequente ao sentar e levantar sobre a ativação muscular e início do movimento |
title |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement |
spellingShingle |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement Silva, Franciele Camila da |
title_short |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement |
title_full |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement |
title_fullStr |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement |
title_full_unstemmed |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement |
title_sort |
Effects of a subsequent task after sit-to-stand movement on muscle activation and initiation of movement |
author |
Silva, Franciele Camila da |
author_facet |
Silva, Franciele Camila da Melissa, Rodrigues Ana Joner, Wiest Matheus |
author_role |
author |
author2 |
Melissa, Rodrigues Ana Joner, Wiest Matheus |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Silva, Franciele Camila da Melissa, Rodrigues Ana Joner, Wiest Matheus |
description |
Muscle activation (activation time) and the beginning of movement (motor reaction time) can be changed depending on the complexity of the task. The objectives of this study were to compare the time for activation of the paraspinal and the vastus lateralis muscles, and the motor reaction time during the execution of the tasks sit-to-stand (STS) and sit-to-walk (STW), which includes the execution of the subsequent task of gait initiation. Twelve healthy young subjects participated in the study. They performed two tasks(STS and STW), five times each, randomly, separated by two minutes of rest. The kinematics of the movement were recorded using a digital electrogoniometer attached to the hip joint and muscle activation using surface electromyographyin both muscles. The average of the five repetitions was calculated for each task. The beginning of the task was signaled by a luminous device, which was also used to identify the initial point for calculating the activation time andmotor reaction time. Both muscles showed a longer latency for the activation time and motor reaction time during the STW task when compared with STS. Basedon these results, it can be concluded that both the postural (paraspinal) and prime mover muscles (vastus lateralis) undergo change in the motor programming during the execution of the STS task when a subsequent task (gait initiation) is included. Motor programming is dependent on task complexity, where a more complex task (STW) will result in delays of movement programming and execution. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-04-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion "Avaliado por Pares", Descriptive Avaliado por Pares pesquisa quase-experimental |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2013v15n4p458 10.1590/1980-0037.2013v15n4p458 |
url |
https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2013v15n4p458 |
identifier_str_mv |
10.1590/1980-0037.2013v15n4p458 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2013v15n4p458/24585 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil |
publisher.none.fl_str_mv |
Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil |
dc.source.none.fl_str_mv |
Brazilian Journal of Kinanthropometry and Human Performance; Vol. 15 No. 4 (2013); 458-466 Revista Brasileira de Cineantropometria e Desempenho Humano; v. 15 n. 4 (2013); 458-466 1980-0037 1415-8426 reponame:Revista Brasileira de Cineantropometria & Desempenho Humano (Online) instname:Universidade Federal de Santa Catarina (UFSC) instacron:UFSC |
instname_str |
Universidade Federal de Santa Catarina (UFSC) |
instacron_str |
UFSC |
institution |
UFSC |
reponame_str |
Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
collection |
Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Cineantropometria & Desempenho Humano (Online) - Universidade Federal de Santa Catarina (UFSC) |
repository.mail.fl_str_mv |
rbcdh@contato.ufsc.br || portaldeperiodicos.bu@contato.ufsc.br |
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1789435122968166400 |