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COMPARISON OF HEART RATE VARIABILITY IN DIFFERENT BODY POSITIONS ON LAND AND IN WATER

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Author(s): Ertan TÜFEKÇİOĞLU | H. Birol ÇOTUK

Journal: Beden Egitimi ve Spor Bilimleri Dergisi
ISSN 1307-6477

Volume: 3;
Issue: 3;
Date: 2009;
Original page

Keywords: Heart rate variability | watsu | parasympathetic nervous system | relaxation

ABSTRACT
Abstract18 people including staff working at different sites in an education foundation in İstanbul participated voluntarily in this research which was carried out to compare HRV values obtained through various methods applied on land and in water and to determine the most effective relaxation method. Participants’ HRV values were measured at vertical and horizontal positions on land and in watsu in water. All measurements of group were taken in different days and repeated 4 times for each position. RMSSD was analyzed as time domain parameter and HF% and rate of LF/HF were analyzed as frequency domain in HRV analysis. RR signal was recorded with 1 millisecond sensitivity. Comparison of these parameters was performed by means of Variance Analysis of Repeated Measurements. The analysis of values of watsu position indicated significant increases in RMSSD and HF% parameters. LF/HF rate, which is regarded as reflection of sympathetic modulation, was significantly lower than values of vertical and horizontal land measurements. In conclusion, the most effective relaxation was provided by watsu practiced in water.
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