heart rhythm registration at use of the dosed loads

11 6 experiments with participation in quality of examinees practically healthy for the experiment, physically not trained 20 men of 19-25 years (1-4 series) and 5 women of 22-30 years (5th series) are spent.

Experimental installation included: 1) veloergometr KE - 12 with digitizer KE - 12 MEDICOR; 2) pulsotahometr 0-84 with the device, reformative pulsovye intervals in rows of treated numbers, by means of the computer program «Pulse» (R.M.Grechishkin, etc., 2005).

In 1st series of experiments after 5-8-минутного habituations of examinees of a male to a starting position sitting on veloergometre KE - 12, on R.M.Baevskomu (1979), registration of 120 cycles of warm reductions was effected for more exact definition of a state of independent and central contours of control RS (S.Z.Kletskin, 1979; R.M.Baevsky, O.I.Kirillov, S.Z.Kletskin, 1984). Then examinees during 5 mines carried out pedalirovanie with a load in 150 Vt, visually being guided on a board veloergometra, without supervision of duration of the cardial cycle replicated on the monitor of the computer. According to the experimental requirements developed by us, the load was enough intensive, on the one hand, to invoke in warm activity the changes testifying to connection of the central contour of control RS
(V.L.Karpman, 1982, 1987), with another that examinees could maintain a load of the given level during experiment.

In 2nd series examinees also after registration RS in an initial state within 5 minutes worked on veloergometre, visually being guided by the monitor of the computer and aspiring to replicate values DSTS averaged from received in 1 th series. The problem was thus put - to track dynamics of alterations of variability RS, depending on specific features of an organism of examinees.

Duration of interserial intervals compounded not less than week in order to avoid habituation development to a load and exhibitings physical trenirovannosti. Registration RS in both series of experiments was spent by means of the special computer program "Pulse", to and to an operating time, and also in 3 minutes after its terminal.

In 3rd series to examinees, 4 men of 19-25 years, in 4 individual experiments 5-minute reproduction of values DSTS equal of 50 % from size of a pristine difference between initial and maximum DSTS was offered in similar conditions. In the given series by us have been selected pulsovye the reference points is essential differing from the maximum values, received in the first series that underlined the moment of control RS with the lowered influence on it exercise stress sizes as that.

3 experiments are spent to 4th series with participation in quality of examinees of 3 men 19 - 25 years at which during 5 mines 21 registration RS is spent at performance of constant ladder-shaped work by them on veloergometre. Values DSTS replicated on 1 th mines have compounded 20 % from difference size between initial and maximum DSTS, received in 1 th series. At 2nd step the load compounded 40 %, on 3rd - 60 % then on 4th and 5th mines the conforming decrease in a load to 40, 20 % and zero level (cessation of work) then on 4th mines of the regenerative season final registration RS (fig. 1 was carried out) was carried out. In the given

Series, as well as in the first, also have been selected by us pulsovye reference points removed enough from the maximum values.

Fig. 1. The scheme of carrying out of 3rd series with registration of percent loads (ordinate) and time of experiment (absciss).



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Scientific source GORSHKOVA Marina Nikolaevna. Individual and group indicators of a heart rhythm at its mediated control. The dissertation on competition of a scientific degree of a Cand.Biol.Sci. Tver - 2015. 2015

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