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Ground reaction forces during level ground walking with body weight unloading.
Barela, Ana M F; de Freitas, Paulo B; Celestino, Melissa L; Camargo, Marcela R; Barela, José A.
Afiliação
  • Barela AM; Instituto de Ciências da Atividade Física e Esporte, Universidade Cruzeiro do Sul, São Paulo, SP, Brazil.
  • de Freitas PB; Instituto de Ciências da Atividade Física e Esporte, Universidade Cruzeiro do Sul, São Paulo, SP, Brazil.
  • Celestino ML; Instituto de Ciências da Atividade Física e Esporte, Universidade Cruzeiro do Sul, São Paulo, SP, Brazil.
  • Camargo MR; Instituto de Ciências da Atividade Física e Esporte, Universidade Cruzeiro do Sul, São Paulo, SP, Brazil.
  • Barela JA; Instituto de Ciências da Atividade Física e Esporte, Universidade Cruzeiro do Sul, São Paulo, SP, Brazil.
Braz J Phys Ther ; 18(6): 572-9, 2014.
Article em En | MEDLINE | ID: mdl-25590450
BACKGROUND: Partial body weight support (BWS) systems have been broadly used with treadmills as a strategy for gait training of individuals with gait impairments. Considering that we usually walk on level ground and that BWS is achieved by altering the load on the plantar surface of the foot, it would be important to investigate some ground reaction force (GRF) parameters in healthy individuals walking on level ground with BWS to better implement rehabilitation protocols for individuals with gait impairments. OBJECTIVE: To describe the effects of body weight unloading on GRF parameters as healthy young adults walked with BWS on level ground. METHOD: Eighteen healthy young adults (27 ± 4 years old) walked on a walkway, with two force plates embedded in the middle of it, wearing a harness connected to a BWS system, with 0%, 15%, and 30% BWS. Vertical and horizontal peaks and vertical valley of GRF, weight acceptance and push-off rates, and impulse were calculated and compared across the three experimental conditions. RESULTS: Overall, participants walked more slowly with the BWS system on level ground compared to their normal walking speed. As body weight unloading increased, the magnitude of the GRF forces decreased. Conversely, weight acceptance rate was similar among conditions. CONCLUSIONS: Different amounts of body weight unloading promote different outputs of GRF parameters, even with the same mean walk speed. The only parameter that was similar among the three experimental conditions was the weight acceptance rate.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Peso Corporal / Caminhada / Suporte de Carga Limite: Adult / Female / Humans / Male Idioma: En Revista: Braz J Phys Ther Assunto da revista: MEDICINA FISICA / REABILITACAO Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Peso Corporal / Caminhada / Suporte de Carga Limite: Adult / Female / Humans / Male Idioma: En Revista: Braz J Phys Ther Assunto da revista: MEDICINA FISICA / REABILITACAO Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil