![]() ![]() ![]() In addition the sympathetic-vagal (excitatory-inhibitory) balance is approximated by the normalized power of, respectively, the Low Frequency (LF) and High Frequency (HF) spectral components of HRV, synthetized in the LF/HF ratio. Its reduction, conversely, might suggest overtraining. We conclude that analysis of HRV and questionnaires might offer a simple, useful technique to monitor changes in cardiac autonomic regulation and psychological state in elite athletes providing a convenient additional element to evaluation of training routines also in the fields.Īerobic training, being associated to increased vagal and reduced sympathetic tonic drive, leads to lower resting HR and greater beat-by-beat variability, which is assessable with time domain measures, such as RR variance. ![]() Concomitantly indices of somatic symptoms were slightly reduced just at the end of the alpine training. Congruent changes were observed in non-linear indices. We observed that ANSI increased from 58.8 ± 32.5 to 81.7 ± 27.5 (at the end of training camp) and did not change further in the subsequent initial weeks of competition season (overall p < 0.001). In this investigation we assessed ANSI capacity to detect the expected changes in cardiac autonomic regulation induced in the Italian basketball team by the participation (18 subjects) to the yearly biweekly Alpine training summer camp. Specifically a novel % rank Autonomic Nervous System Indicator (ANSI) seems particularly useful also in elite sports. In most sports athletic performance is determined by a combination of hard and soft modifiable components, encompassing physical and psychological elements that can be assessed with modern techniques based respectively on simple friendly methods: analysis of HRV and questionnaires. ![]()
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