On the behavior of surface electromyographic variables during the menstrual cycle

Soares, Fabiano Araujo, Salomoni, Sauro Emerick, Veneziano, Wilson Henrique, Azevedo de Carvalho, Joao Luiz, de Oliveira Nascimento, Francisco Assis, Pires, Kenia Fonseca and da Rocha, Adson Ferreira (2011) On the behavior of surface electromyographic variables during the menstrual cycle. Physiological Measurement, 32 5: 543-557. doi:10.1088/0967-3334/32/5/004


Author Soares, Fabiano Araujo
Salomoni, Sauro Emerick
Veneziano, Wilson Henrique
Azevedo de Carvalho, Joao Luiz
de Oliveira Nascimento, Francisco Assis
Pires, Kenia Fonseca
da Rocha, Adson Ferreira
Title On the behavior of surface electromyographic variables during the menstrual cycle
Journal name Physiological Measurement   Check publisher's open access policy
ISSN 0967-3334
1361-6579
Publication date 2011-05
Sub-type Article (original research)
DOI 10.1088/0967-3334/32/5/004
Open Access Status
Volume 32
Issue 5
Start page 543
End page 557
Total pages 15
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing
Language eng
Formatted abstract
The goal of this work is to study the behavior of electromyographic variables during the menstrual cycle. Ten female volunteers (24.0 ± 2.8 years of age) performed fatiguing isometric contractions, and electromyographic signals were measured on the biceps brachii in four phases of the menstrual cycle. Adaptations of classical algorithms were used for the estimation of the root mean square (RMS) value, absolute rectified value (ARV), mean frequency (MNF), median frequency (MDF), and conduction velocity (CV). The CV estimator had a higher (p = 0.002) rate of decrease at the end of the follicular phase and at the end of the luteal phase. The MDF (p = 0.002) and MNF (p = 0.004) estimators had a higher rate of decrease at the beginning of the follicular phase and at the end of the luteal phase. No significant differences between phases of the menstrual cycle were detected with the ARV and RMS estimators (p > 0.05). These results suggest that the behavior of the muscles in women presents different characteristics during different phases of the menstrual cycle. In particular, women were more susceptible to fatigue at the end of the luteal phase.
Keyword Menstrual cycle
Electromyographic variables
Muscular fatigue
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Health and Rehabilitation Sciences Publications
 
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