Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/1244
Título: Influence of wearing an unstable shoe on thigh and leg muscle activity and venous response in upright standing
Autor: Sousa, Andreia S. P.
Tavares, João Manuel
Macedo, Rui
Rodrigues, Albano
Santos, Rubim
Palavras-chave: Electromyography
Haemodynamics
Muscle pumps
Data: 2012
Editora: Elsevier
Relatório da Série N.º: Applied Ergonomics; Vol. 43, Nº 5
Resumo: Purpose: To quantify the effect of unstable shoe wearing on muscle activity and haemodynamic response during standing. Methods: Thirty volunteers were divided into 2 groups: the experimental group wore an unstable shoe for 8 weeks, while the control group used a conventional shoe for the same period. Muscle activity of the medial gastrocnemius, tibialis anterior, rectus femoris and biceps femoris and venous circulation were assessed in quiet standing with the unstable shoe and barefoot. Results: In the first measurement there was an increase in medial gastrocnemius activity in all volunteers while wearing the unstable shoe. On the other hand, after wearing the unstable shoe for eight weeks these differences were not verified. Venous return increased in subjects wearing the unstable shoe before and after training. Conclusions: The unstable shoe produced changes in electromyographic characteristics which were advantageous for venous circulation even after training accommodation by the neuromuscular system.
Peer review: yes
URI: http://hdl.handle.net/10400.22/1244
ISSN: 0003-6870
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0003687012000075
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