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"Tourism, Sport and Health" 2014, no 5


Integral estimation of functional status of external respiratory system of qualified futsal players

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The mean level of NOex was 14,2±0,7 ppb at rest, 21,2±0,4 - after a warm-up, 13,4±0,6 - at build-up of intensity of physical loading, 15,7±0,5 - in the recovery period (Fig. 3).

Fig. 3. Expiratory nitrogen oxide in qualified futsal players in various modes of physical loading. Note. Significance of differences at p<0,05

A significant increase in NO production is marked at build-up of physical loading and preserved overproduction of nitric oxide with exhaled air – during recovery.

This dynamics show the fluctuation in NOex in the area of pathological values, probably associated with a possible immune inflammation. The estimation of FER in the examined athletes has not revealed diagnostically significant decrease in FEV1 MEF25 -75 in dynamics of physical loading.


The changes detected in elite futsal players indicate the need to reduce the intensity of cyclic and speed-strength loading of submaximal power during a training process.

The conducted one-time screening of the dynamics of changes in the concentration of nitric oxide in the exhaled air with the increase in the intensity of physical loading in the youth team has detected the undulating dynamics of NO products, significantly associated with the intensity of anaerobic work. The increase of the NO values above 20 ppb for individual athletes indicates a possible risk of overproduction of this biomarker along with subclinical process of immune inflammation in the respiratory tract. The lack of significant decrease in FEV1 in the examined athletes testifies to sufficient compensatory changes and high respiratory potential of athletes who train speed and strength and endurance abilities. Athletes with average and high production of nitric oxide should be regarded as a group of high risk of bronchial hyperresponsiveness with constant monitoring not only in the national team, but in their club too.

As preventive measures it is desirable to strengthen protein and vitamin and mineral components in the diet, use antihypoxants (succinic acid, coenzyme Q10, mildronat, cytochrome C) during specialized training and in the competition period, regulators of lipid metabolism in the pre-seaon (L-carnitine, lipoic acid), antioxidants in the competition period (vitamins A, C, E, B5, B- carotene). The in-depth phased medical supervision is recommended (once every 3 months).

The monitoring of the indicators of external respiratory function has shown mixed reactions of bronchial tubes of the respiratory tract, autonomic nervous system, local cellular and humoral factors.

The orientation of the processes to adaptation and increase of the oxygen transport function at submaximal loading undergoes reverse development in 15% of patients that can lead to the realization of the limiting effect of bronchospasm, edema and mucus hypersecretion in response to oxygen supply to the alveoli, and, in turn, provoke a decrease of physical working capacity.

Dynamic monitoring of the training process in the evaluation of the flow-volume curve indices enables (especially in youth team players) to identify at an early phase and correct bronchospasm, caused by physical loading, to clarify its etiology and hold early diagnostic and pharmacological interventions to enhance the effectiveness of the training and competitive processes.


[1]V. P. Guba, Integral training of football players / V.P. Guba, A.V. Leksakov, A.V. Antipov, “Sovetsky Sport” (Moscow) 2010. – p. 208; Integral basics of sports training (methods of assessment and forecasting) / Idem // LAP LAMBERT, Academic Publishing (Russian) 2012. – p. 360; K. N. Zelenin, Nitric oxide (II): new capabilities of the well known molecule / Idem // “Sorosovsky obrazovatel'ny zhurnal” 1997, № 10, p.105-110, 852-857.
[2]E. G. Aliev, Futsal: textbook for university students in the area of “Physical culture” and the speciality “Physical Culture and Sport” / E.G. Aliev, S.N. Andreev, V.P. Guba. –: “Sovetsky Sport” (Moscow) 2012, p. 549; V. P. Guba, The basics of sports training: methods of assessment and forecasting (morphobiomechanical approach) / Idem – “Sovetsky Sport” (Moscow) 2012, p.384.
[3]S. E. Tsyplenkova, Exhaled nitric oxide: diagnostic capabilities of pediatric pulmonology: / S.E. Tsyplenkova, Yu.L. Mizernitsky // „Тихоокеанский медицинский журнал” 2006, № 4, p. 149-150; A. Leone, L. Gustafsson, P. Francis, M. Persson, N. Wiklund, S. Moncada, Nitric oxide is present in exhaled breath in humans: direct GC-MS confirmation. // “Biochem Biophys Res Commun”1994; 201: 883-887; K. Alving, E. Weitzberg, J. Lundberg, Increased amount of nitric oxide in exhaled air of asthmatics. // „European Respiratory Journal” 1993; 6:1368-1370; P. Barnes, S. Kharitonov, Exhaled nitric oxide: a new lung function test. //Thorax, 1996; 51: 233-237.
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