Influence of heat on fatigue and electromyographic activity of the biceps brachii muscle

被引：7

作者：

Pereira, Wagner Menna ^{[1
]}

Ferreira, Luiz Alfredo Braun ^{[1
]}

Rossi, Luciano Pavan ^{[1
]}

Kerpers, Ivo Ilvan ^{[1
]}

Andre Collange Grecco, Luanda ^{[2
]}

Rodrigues de Paula, Alderico, Jr. ^{[3
]}

Santos Oliveira, Claudia ^{[2
]}

机构：

[1] Univ Estadual Centro Oeste, Padre Salvador 875, BR-85015430 Guarapuava, PR, Brazil

[2] Univ Nove Julho, BR-05001100 Sao Paulo, SP, Brazil

[3] Univ Paraiba, BR-12244000 Sao Jose Dos Campos, SP, Brazil

来源：

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES | 2011年 / 15卷 / 04期

关键词：

Electromyography; Fatigue; Biceps brachii; Heat; Microwave diathermy;

D O I：

10.1016/j.jbmt.2011.04.007

中图分类号：

R49 [康复医学];

学科分类号：

100215 ;

摘要：

Electromyography enables registering muscle activity during contraction and can identify muscle fatigue. In the present study, 30 volunteers between 18 and 30 years of age were submitted to an exertion 1 min of maximal voluntary isometric contraction. The electromyographic signal of the biceps brachii muscle and the strength of the flexor muscles of the elbow were determined before and after the administration of microwave diathermy in order to analyze the influence of heat over the strength of the elbow flexor muscles and fatigue of the biceps brachii. The results demonstrate that the strength of the elbow flexor muscles diminished significantly following the application of heat (p < 0.05). Heat also led to a significant reduction in the electrical activity of the muscle studied. The present study demonstrates that microwave diathermy on the biceps brachii muscle reduces the flexion strength of the elbow as well as signs of muscle fatigue in the biceps. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：478 / 484

页数：7

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