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| Dantas,E.M.; Pimentel,E.B.; Gonçalves,C.P.; Lunz,W.; Rodrigues,S.L.; Mill,J.G.. |
| This study evaluated the effects of chronic treadmill training on body mass gain and visceral fat accumulation in overfed rats. Overfeeding was induced by reducing the litter size to 3 male pups per mother during the suckling period. The litter size of control rats was adjusted to 10 male pups per mother. Seven weeks after birth overfed and normally fed rats were selected and assigned to a sedentary protocol or to a low-intensity treadmill training protocol (60 min, 5 times/week, for 9 weeks). Four groups (overfed sedentary, N = 23; normally fed sedentary, N = 32; overfed exercised, N = 18, and normally fed exercised, N = 18) were evaluated at 18 weeks. Data are reported as means ± SEM. Initial body weight was similar in control and overfed rats [8.0 ± 0.2... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Obesity; Exercise; Abdominal fat; Overfeeding. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000500014 |
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| Dantas,E.M.; Gonçalves,C.P.; Silva,A.B.T.; Rodrigues,S.L.; Ramos,M.S.; Andreão,R.V.; Pimentel,E.B.; Lunz,W.; Mill,J.G.. |
| Heart rate variability (HRV) provides important information about cardiac autonomic modulation. Since it is a noninvasive and inexpensive method, HRV has been used to evaluate several parameters of cardiovascular health. However, the internal reproducibility of this method has been challenged in some studies. Our aim was to determine the intra-individual reproducibility of HRV parameters in short-term recordings obtained in supine and orthostatic positions. Electrocardiographic (ECG) recordings were obtained from 30 healthy subjects (20-49 years, 14 men) using a digital apparatus (sampling ratio = 250 Hz). ECG was recorded for 10 min in the supine position and for 10 min in the orthostatic position. The procedure was repeated 2-3 h later. Time and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Heart rate variability; Power spectral analysis; Reproducibility; Autonomic nervous system. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010001000010 |
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