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Khaustova S.A.,Institute of Physical Culture and Sports | Shkurnikov M.U.,Institute of Physical Culture and Sports | Tonevitsky A.G.,Institute of Physical Culture and Sports
Bulletin of Experimental Biology and Medicine | Year: 2010

The dynamics of salivary hydrocortisone during exercise depends on the professional status of the athlete. Hydrocortisone concentrations increase and those of secretory IgA decrease signifi cantly during short-term highly intense exercise. Presumably, basal serum hydrocortisone level is the key factor in restoration of the secretory IgA concentration after exercise by inhibition of lymphocyte, macrophage, and monocyte functions through an increase in glucocorticoid level under the effect of physiological stressors. © 2010 Springer Science+Business Media, Inc.


Osipova M.A.,Institute of Physical Culture and Sports | Arkov V.V.,Institute of Physical Culture and Sports | Tonevitsky A.G.,Institute of Physical Culture and Sports
Bulletin of Experimental Biology and Medicine | Year: 2010

The effects of photostimulation with different colors on α-rhythm amplitude and parameters of variation pulsometry were studied. Green color stimulation modulates human functions: α-rhythm amplitude increases by 1.06 μV/√Hz (p<0.05) and the index of regulatory systems strain decreases significantly (p<0.05). © 2010 Springer Science+Business Media, Inc.


Sakharov D.A.,Institute of Physical Culture and Sports | Shkurnikov M.U.,Institute of Physical Culture and Sports | Vagin M.Yu.,Moscow State University | Yashina E.I.,Moscow State University | And 2 more authors.
Bulletin of Experimental Biology and Medicine | Year: 2010

Lactate (lactic acid) concentrations in sweat and venous and capillary blood of athletes were measured before and after exercise of the maximum aerobic power. Correlations between the increment of blood and sweat lactate concentrations were found. Lactate concentrations in the sweat can be used for evaluation of changes in blood lactate levels. © 2010 Springer Science + Business Media, Inc.


Timofeeva M.A.,Institute of Physical Culture and Sports | Ar'kov V.V.,Institute of Physical Culture and Sports | Andreev R.A.,Institute of Physical Culture and Sports | Trushkin E.V.,Institute of Physical Culture and Sports | Tonevitsky A.G.,Institute of Physical Culture and Sports
Bulletin of Experimental Biology and Medicine | Year: 2011

Changes in nerve conduction after 10-min electroneurostimulation of the posterior surface of the neck were studied. Changes in the parameters of laser-induced potentials obtained during stimulation of C7 dermatome on hands and posterior surface of the neck were found. Decrease in the amplitude and shortening of the component latency were shown. Method of laser-induced potentials was concluded to provide unbiased estimation of the level and peculiarities of analgesic effects of physical factors. © 2011 Springer Science+Business Media, Inc.


Grebenyuk E.S.,Institute of Physical Culture and Sports | Stupnikova T.V.,Institute of Physical Culture and Sports | Sakharov D.A.,Institute of Physical Culture and Sports | Shleptsova V.A.,Institute of Physical Culture and Sports | And 2 more authors.
Bulletin of Experimental Biology and Medicine | Year: 2010

Extracellular concentration of heat shock protein (Hsp) with a molecular weight of 70 kDa (Hsp70) rapidly increases in the serum in response to stress and returns to the basal level during recovery. Further regulation of its blood concentration is unclear. A possible regulator is HspBP1, a protein binding Hsp70. Binding to ATPase domain of Hsp70, HspBP1 inactivates it, thus acting as a factor of nucleotide exchange. Blood sera from athletes were examined at the beginning and end of the last mesocycle of the training period by two-staged immunoaffi nity test system. The concentration of HspBP1 increased with decreasing Hsp70 concentration under conditions of long-term training. Presumably, the dynamics of Hsp70 and HspBP1 concentrations can serve as the test for evaluating the adaptation potential. © 2010 Springer Science+Business Media, Inc.

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