Abstract. NASCIMENTO, Gerlane Karla Bezerra Oliveira et al. Eletromiografia de superfície do músculo masseter durante a mastigação: uma revisão sistemática. Eletromiografia de superfície em músculos inspiratórios de indivíduos adultos e idosos: revisão sistemática. No Thumbnail [%x80]. Eletromiografia de Superficie na Terapia Miofuncional [Adriana Rahal] on *FREE* shipping on qualifying offers.
|Published (Last):||24 March 2012|
|PDF File Size:||7.66 Mb|
|ePub File Size:||17.78 Mb|
|Price:||Free* [*Free Regsitration Required]|
Longitudinal studies performed on a cycle ergometer with trained cyclists and untrained volunteers reveal cyclists have a greater preference for higher cadences rpm compared to untrained volunteers rpm Dantas et al. Standad of measurement, physiological interpretation and clinical use. As a result of the study, a group of workers that require muscle health promotion was defined.
Surface electromyography of the cervical region – contribution to muscle health. This was an observational and retrospective study involving eight healthy men, all trained cyclists with high level of physical training for at least two years, with a minimum training frequency of days per week and average duration of two hours per day. Data Analysis Analysis of heart rate variability: Based on the results of this study, we concluded that no differences in surface electromyography and cardiac autonomic responses are apparent when comparing the same power output between the protocols during dynamic exercise in continuous steps performed on a cycle ergometer at 60 rpm and 80 rpm.
Avaliação da eletroestimulação com biofeedback por eletromiografia de superfície
Analysis of the electromyographic signal: Physical exercise promotes physiological adjustments eletromuografia various systems within the body including the neuro-muscular, cardiopulmonary, thermoregulatory and neuro-endocrine systems Ribeiro et al. Some limitations of this study must be considered, such as, metabolic and ventilatory variables were not evaluated using ergospirometry. Suoerficie, the preferred cadences of cyclists do not coincide with lower oxygen consumption, but instead with less development of muscle fatigue Takaishi et al.
Circulation93 5 In both protocols during continuous dynamic exercise testing 60 rpm and 80 rpm the maximum intensity in common for all volunteers was W and therefore the analysis of variable intensities between 25W to W was considered. Although this study did not fletromiografia as its objective the determination of AT, our results eletrromiografia HR, HRV and sEMG reflect changes in cardiac autonomic control and muscular system that suuperficie any given time of the exercise protocol may indicate adjustments of the cardiovascular and muscle systems in an attempt to meet the increased demand in higher intensities of exercise.
Surface electromyogram power spectrum in human quadriceps muscle during incremental exercise. Randomly, these protocols were performed with the aim of analyzing variability of R-R intervals obtained beat by beat in dynamic exercise testing and to evaluate the muscle activity in relation to the intensities applied during exercise at different cadences 60 and 80 rpm.
With respect to RMS signal of sEMG, the significant increase from W in both protocols with different cadences DETC and DETC may reflect changes in the type of muscle fibers recruited from this intensity that reflect adaptations of the muscular and metabolic systems in an attempt to maintain the continuity of physical activity and the homeostasis of the systems. Arquivos Brasileiros de Cardiologia71 6 Eletromlografia study identified ergonomic variables and reports of cervicalgia, as well as positive wave recruitment in a small group of workers, indicating that the use of new muscle assessment instruments by nurses can enhance their occupational eletro,iografia work.
Heart rate response and its variability during different phases of maximal graded exercise.
Eletromiografia de superfície do músculo masseter durante a mastigação: uma revisão sistemática
Evaluation of electrical stimulation with surface electromyographic biofeedback of hemiplegic patients. Thus HRV is an important tool that can be used during exercise to assess the parameter settings of the cardiac autonomic system and through the components of HRV is possible to determine the anaerobic threshold AT during exercise and consequently relate to the aerobic capacity of eletrokiografia individual Di Michele et al.
The pre-workday period was also relevant, demonstrating that actions engaged in before work can positively or negatively influence muscle conditions for the workday. Effects of aerobic exercise training on heart rate variability during wakefulness and sleep and cardiorespiratory responses of young and middle aged healthy superfcie. Journal of Applied Physiology69 2 Noninvasive method to estimate anaerobic threshold in individuals with type 2 diabetes.
Revista Portuguesa de Cardiologia14 3 Evaluation of electromyography activity and heart rate response to isometric exercise. How to cite this article. Moreover, blood lactate measured simultaneously with cardiac autonomic modulation and surface electromyography responses were not collected allow us to determine the intensity corresponding to the AT and thus relate the behavior of aerobic to anaerobic predominance in both protocols during dynamic exercise.
Annals of Rheumatic Diseases, 72 6 The authors also reported that possibly the decreased and subsequent stabilization of the HRV is associated with increased sympathetic contribution after AT. Data were analyzed using the Statistica for Windows software release 5. Brazilian Journal of Medical and Biological Research38 5 Slower heart eletromiogfafia and oxygen consumption kinetic responses in the on- eldtromiografia off-transient during a discontinuous incremental exercise: The behavior of the HR with increasing intensity during the tests are shown in Figure 1increasing with intensity in both protocols DETC and DETCwith a significant increase from W in relation to 25W in the protocol performed at 60 rpm and from W in the protocol performed at 80 rpm.
The age, anthropometric characteristics, the level of physical activity and the variables obtained during symptom-limited exercise test are presented in Table 1.
Estimation of the anaerobic threshold from the data on lung ventilation and heart rate variability. In a study by Alonso et al.
A test was performed in the sitting position on an electromagnetic braked cycle ergometer Quinton CorivalGroninger, Netherlands at an initial power of 25 W for a warm-up period of 2 minutes.
Services on Demand Journal.
Introdução a Eletromiografia
Experimental Physiology98 4 Clinical evaluation was performed by superfocie cardiologist consisting of: All tests were performed at the same time of day afternoonthus avoiding possible interference of circadian variations euperficie the behavior of the studied variables. The HR, BP and ECG were recorded before the testing, at the end of 30s at each power output, and in the recovery period 1, 3, 6 and 9 minutes. The diaphragm gradually increased its engagement with ventilation, achieving a maximal response that correlated with successful weaning and maximal acetylcholinesterase enzyme activity; in contrast, the activity of accessory respiratory muscles showed an opposite trend.
Human Physiology37 6 We suggest that higher cadences which are the preferred cadence for these athletes may not promote significant changes that could result in fatigue and early interruption of effort. Based on the considerations that HRV is an important noninvasive marker of supwrficie modulation of heart rate related to exercise intensity and that sEMG is a valuable tool in the study of the muscle function during exercise, to our knowledge no studies have evaluated these variables in trained cyclists during dynamic exercise protocols on a cycle ergometer at different cadences.