Duration of functional stability to non-specific aerobic load in wrestlers

Objective: study the duration of establishment of functional stability to non-specific stress in wrestlers.

Materials and Methods. Nineteen athletes in martial arts, mid-age 23 ± 3 years of age, participated in the study. The qualification level of the subjects ranged from first sport grade to Master of Sport. A series of sports training was organized within 4 weeks. Each train consisted of a smooth-running load of 40 minutes at a speed corresponding to the anaerobic exchange threshold (AET). The indicators of the duration of reaching the AET level by heart rate (HR), the power of the low frequency and high frequency component of the spectrum were analyzed.

Results. The effect of urgent adaptation, in the form of an extension of the duration the heart rate on the anaerobic threshold level from 29 to 32 mines and the increase in the regulation of vegetative nervous system by increasing the total power of the spectrum observed on the third day of the training cycle. From the third to ninth days of the study, fatigue occurs, as can be seen from the lowering of the anaerobic threshold time to 21 minutes, as well as the lowering of the high-frequency part of the vegetative nervous system regulatory spectrum. The emergency adaptation ends by 9 days of observation, after four high-intensity exercises, which manifests itself in stabilizing the regulation of the heart rate, vegetative nervous system goes from a reflex level to a lower one — a humeral metabolic level. The time to reach the HR in the aerobic threshold will stabilize at 21–23 minutes.

Conclusions. Functional stability to the non-specific aerobic load in the wrestlers emerged by the twentyseventh day of the study after ten highly intensive aerobic exercises, which confirmed by the results of the time dynamics of the tine of HR in aerobic threshold and analysis of spectrum results of HRV.

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