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Open AccessArticle

Implementation of a Portable Electromyographic Prototype for the Detection of Muscle Fatigue

Facultad de Ingeniería, Universidad del Magdalena, Santa Marta 470003, Colombia
Author to whom correspondence should be addressed.
Electronics 2019, 8(6), 619;
Received: 27 March 2019 / Revised: 30 April 2019 / Accepted: 2 May 2019 / Published: 1 June 2019
(This article belongs to the Special Issue Recent Advances in Biometrics and its Applications)
Surface electromyography (sEMG) applied to the sports training area makes possible the observation of fatigue as well as the generation of muscular strength, through the study of changes in signal characteristics, such as peak-to-peak amplitude, mean frequency and median, among others. In this sense, this work presents the design of a portable prototype for the acquisition and processing of electromyographic (EMG) signals aimed at the detection of muscle fatigue in athletes. Using two Bluetooth Bee modules, a wireless communication was performed in order to send the muscular electrical activity of the skin surface to a user interface developed in LabVIEW. A group of players from the Volleyball team of the Universidad del Magdalena, performed a series of exercise routines with dynamic contractions and as they experienced fatigue, samples were taken of the contractions made. The tests were performed on the vastus lateralis and rectus femoris muscles. The analysis of fatigue under dynamic conditions of the two parameters studied, in frequency and time, showed that it is more pertinent to estimate fatigue indices in the frequency domain. View Full-Text
Keywords: electromyography; muscle fatigue; dynamic contraction; EMG signal electromyography; muscle fatigue; dynamic contraction; EMG signal
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MDPI and ACS Style

De la Peña, S.; Polo, A.; Robles-Algarín, C. Implementation of a Portable Electromyographic Prototype for the Detection of Muscle Fatigue. Electronics 2019, 8, 619.

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