Grip and load force control and coordination in individuals with diabetes in different manipulation tasks

Autor(es)

Lima, Kaue C. A. ; Santos, Gabriela O. C. ; Donato, Stephanie S. V. ; Borges, Leandro ; Hatanaka, Elaine ; Freitas, Paulo B. de

• Tipo de documento: Artigo Científico
• Fonte: HUMAN MOVEMENT SCIENCE; v. 77, JUN 2021.
• Citações Web of Science: 0

Resumo

The study aimed to investigate the control and coordination of grip force (normal component) and load force (tangential component) in three different manipulation tasks in individuals with diabetes with and with no diagnosis of diabetic peripheral neuropathy (DPN) and healthy controls. Twenty-four individuals with type 2 diabetes mellitus, 12 with no (nDPN) and 12 with DPN (wDPN), and 12 healthy controls performed three manipulation tasks (static holding, lifting and holding, and oscillation) with the dominant hand, using an instrumented handle. Relative safety margin (% of GF exerted above the minimum GF needed to hold the object) was measured in all tasks. Individuals with diabetes from the nDPN and wDPN groups set lower relative safety margin than controls only in the static holding task. No other group effect was revealed, except a lower coefficient of friction between skin and object surface in individuals with DPN. The coordination between grip and load force and grip force control was not affected by the diabetes during dynamic manipulation tasks (lifting and holding and oscillation). However, when individuals with diabetes without and with DPN performed a manipulation task in which the inflow of cutaneous information was small and stable (static holding), grip force control was affected by the disease. This finding indicates that individuals with type 2 diabetes mellitus not diagnosed with DPN, already show mild impairments in the nervous system that could affect grip force control and that could be one of the first signs of neuropathy caused by the diabetes. (AU)

• Processo FAPESP: 14/26397-7 - Efeitos da neuropatia diabética periférica na coordenação e controle das forças que agem na interação dedos-objeto durante a manipulação de objetos e suas relações com parâmetros eletrofisiológicos
• Beneficiário: Paulo Barbosa de Freitas Júnior
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 16/13092-9 - Os efeitos da neuropatia diabética periférica sobre o controle da força de preensão em duas tarefas manipulativas
• Beneficiário: Gabriela Otsubo Camilo dos Santos
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica