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Moderate-term reproducibility of heart rate variability during rest and light to moderate exercise in children BJMBR
Leicht,A.S.; Allen,G.D..
Previous studies have demonstrated the high reproducibility of heart rate variability (HRV) measures in adults while little information exists concerning HRV reproducibility in children. Subsequently, the aim of the current study was to examine the moderate-term reproducibility of heart rate and frequency domain measures of HRV during rest and light to moderate exercise in children. Ten healthy children (6 males, 4 females) aged between 7 and 12 years of age volunteered for this study with HRV recordings obtained during supine rest and three treadmill walking exercise work rates (≤60% maximum heart rate), initially and then 8 weeks later. Differences (P < 0.05) between variables were examined using paired t-tests or Wilcoxon signed rank tests while...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Autonomic nervous system; Heart rate; Parasympathetic; Neural control; Reliability.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000700013
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The Sympathetic and Parasympathetic Contributions to the Cardiac Plexus: a Fetal Study International Journal of Morphology
De Gama,B. Z; Lazarus,L; Partab,P; Satyapal,K. S.
The cardiac plexus is formed by sympathetic nerves originating from the superior, middle, inferior cervical or cervicothoracic ganglia as well as from the first to the fifth thoracic ganglia. Furthermore, the vagus nerve and its counterpart, the recurrent laryngeal nerve supply the cardiac plexus with parasympathetic cardiac nerves. This investigation aimed to review and record the medial contributions of the cervical ganglia, first to fifth thoracic ganglia and medial contributions of the vagus and recurrent laryngeal nerves to the cardiac plexus. The study involved bilateral micro-dissection of forty cadaveric fetal specimens (n=80). The origins of sympathetic contributions to the cardiac plexus were described as either ganglionic, inter-ganglionic or...
Tipo: Journal article Palavras-chave: Cardiac plexus; Sympathetic; Parasympathetic; Vagus nerve; Superficial cardiac plexus; Deep cardiac plexus.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000400048
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