Parameters Higher speed of response Low speed of response Median lower quartile upper quartile Median lower quartile upper quartile VLF- ms2 5275.00 1267.50 10095.00 7088.00 4802.00 10398.00 LF-ms2 2444.50 1674.00 3704.50 2428.00 2395.00 2767.00 HF-ms2 1092.50 600.00 3512.50 2373.00* 1959.00 2586.00 Total 9668.00 3541.50 17312.00 12979.50* 11575.00 16710.00 LF/HF 1.91 1.308 2.65 1.41* 1.01 1.51 *- p<0.01for concerning of athletes with higher average speed of response

Table 4: Spectral characteristics of heart rhythm in athletes with different levels of sensory-motor response.