The Influence of Training on Heart Rate Variability in Healthy Older Adults
نویسنده
چکیده
The effect of one-year physical training on heart rate variability in older adults was evaluated in 14 healthy men (age > 55 year). Measures of heart rate variability were obtained in both time and frequency domain. Tenminute ECG recordings were made in supine position and in standing position. A progressive climbing exertion test till exhaustion was performed to estimate maximal oxygen consumption (VO2max) and maximal wattage level (Wmax). Results show a small gain in maximal oxygen consumption and no changes in HRV parameters during the first 6 months of training. In the last six months of training there was a trend towards a decreasing HRV, Also VO2max and Wmax showed a small decrease at 1 year of training. A correlation between changes in physiological and HRV parameters, suggest an accordance between VO2max and power spectral analysis. It can be concluded that heart rate variability does not change by physical training in an elderly population
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