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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 3
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Imprime registro no formato completo
Cardiac autonomic modulation during progressive upper limb exercise by patients with coronary artery disease BJMBR
Machado,H.G.; Simões,R.P.; Mendes,R.G.; Castello,V.; Di Thommazo,L.; Almeida,L.B.; Lopes,S.L.B.; Catai,A.M.; Borghi-Silva,A..
The purpose of this study was to investigate the behavior of heart rate (HR) and HR variability (HRV) during different loads of resistance exercise (incline bench press) in patients with coronary artery disease (CAD) and healthy sedentary controls. Ten healthy men (65 ± 1.2 years, control group, CG) and 10 men with clinically stable CAD (66 ± 2.4 years, CADG) were recruited. A discontinuous progressive protocol was applied with an initial load of 10% of the maximum load achieved in the 1RM (1 repetition maximum) with increases of 10% until 30% 1RM was reached, which was followed by subsequent increases of 5% 1RM until exhaustion. HRV was analyzed by linear and non-linear methods. There was a significant reduction in rMSSD (CG: 20 ± 2 to 11 ± 3 ms; CADG: 19...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dynamic resistance exercise; Coronary artery disease; Heart rate variability; Autonomic nervous system; Upper limb exercise.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011001200012
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Imprime registro no formato completo
Effects of different levels of positive airway pressure on breathing pattern and heart rate variability after coronary artery bypass grafting surgery BJMBR
Pantoni,C.B.F.; Di Thommazo,L.; Mendes,R.G.; Catai,A.M.; Luzzi,S.; Amaral Neto,O.; Borghi-Silva,A..
The application of continuous positive airway pressure (CPAP) produces important hemodynamic alterations, which can influence breathing pattern (BP) and heart rate variability (HRV). The aim of this study was to evaluate the effects of different levels of CPAP on postoperative BP and HRV after coronary artery bypass grafting (CABG) surgery and the impact of CABG surgery on these variables. Eighteen patients undergoing CABG were evaluated postoperatively during spontaneous breathing (SB) and application of four levels of CPAP applied in random order: sham (3 cmH2O), 5 cmH2O, 8 cmH2O, and 12 cmH2O. HRV was analyzed in time and frequency domains and by nonlinear methods and BP was analyzed in different variables (breathing frequency, inspiratory tidal volume,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Continuous positive airway pressure; Cardiovascular system; Autonomic nervous system; Ventilation; Coronary artery bypass.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011000100006
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Imprime registro no formato completo
Cardiorespiratory and metabolic determinants during moderate and high resistance exercise intensities until exhaustion using dynamic leg press: comparison with critical load BJMBR
Arakelian,V.M.; Goulart,C.L.; Mendes,R.G.; Caruso,F.C.; Baldissera,V.; Arena,R.; Borghi-Silva,A..
The objective of this study was to assess cardiovascular, respiratory, and metabolic responses during a commonly used dynamic leg press resistance exercise until exhaustion (TEx) at different intensities and compare with critical load (CL). This was a prospective, cross-sectional, controlled, and crossover study. Twelve healthy young men (23±2.5 years old) participated. The subjects carried out three bouts of resistance exercise in different percentages of 1 repetition maximum (60, 75, and 90% 1RM) until TEx. CL was obtained by means of hyperbolic model and linearization of the load-duration function. During all bout intensities, oxygen uptake (VO2), carbon dioxide production (VCO2), ventilation (VE), and respiratory exchange ratio (RER) were obtained....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Load; Physiological; Muscle fatigue; Exercise; Cardiorespiratory.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018001100613
Registros recuperados: 3
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