Observatorio de I+D+i UPM

Memorias de investigación
Ponencias en congresos:
Heart rate variability during recovery after maximal exercise
Año:2007
Áreas de investigación
  • Fisiología
Datos
Descripción
Introduction. Heart Rate Variability (HRV) studies have allowed to value in non-invasive form the vegetative activity on the heart (3). Diverse authors have studied the HRV, for this reason several meetings have taken place to establish the methodology of this technique (1). Objectives. Analysis the difference of power spectral in the two phases of the recovery. Material and Methods. 30 males of 27.7 (3.2) years, 72.3 (7.4) kg, 178.2 (5.7)cm and 56.6 (8.7) mlkg-1min-1. Study protocol: Maximal test of continuous load (5w12seg-1) on cicloergometer, followed by five minutes of recovery which included two minutes of active recovery (phase I) and three minutes of passive recovery (phase II) both on cicloergometer. We registered the heart rate with a polar system during recovery. The intervals RR were analyzed with the Polar Precision Performance R (Polar Electro Oy, 2005, Finland). In the statistical analysis we carried out a one way analysis and a non parametric test (Wilcoxon). The significance level was fixed at p<0.05 Results. The values of the spectrum were: (VLF%) phase I: 28.2,phase II: 7.9 (p <0.001); low frequency (LF%) phase I: 45.3, phase II: 39.9 (p=0.136); high frequency (HF%) phase I: 26.4, phase II: 51.9 (p <0.001); LF/HF phase I: 2.6, phase II: 1.2 (p <0.0064). Discussion and Conclusions. During the recovery period, and in accordance with other authors (2), we could observe a change in the spectrum of frequencies and a reduction of LF component and increase of HF as the recovery advances. There are differences in the spectrum of frequencies among the phase I and the phase II of the recovery. This variation suggests a different vegetative modulation for both phases during the recovery (3).
Internacional
Si
Nombre congreso
12th Annual Congress of the European Collegue of Sport Science
Tipo de participación
960
Lugar del congreso
Jyväskylä (Finland)
Revisores
Si
ISBN o ISSN
978-951.790-242-7
DOI
Fecha inicio congreso
11/07/2007
Fecha fin congreso
14/07/2007
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Título de las actas
Esta actividad pertenece a memorias de investigación
Participantes
  • Autor: MARÍA ÁLVAREZ SÁNCHEZ (Universidad Politécnica de Madrid)
  • Autor: Victor Diaz Molina (UPM)
  • Autor: Pedro Jose Benito Peinado (UPM)
  • Autor: Fco. Javier Calderon Montero (UPM)
  • Autor: IRMA LORENZO CAPELLÁ (Universidad Politécnica de Madrid)
  • Autor: Esther Morencos Martínez (UPM)
  • Autor: Ana Belen Peinado Lozano (UPM)
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  • Creador: Grupo de Investigación: Grupo de Inv. del Laboratorio de Fisiología del Esfuerzo
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