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THE EFFECTIVENESS OF VISUAL INFORMATION IN MAINTAINING THE POSTURAL STABILITY AFTER THE MAXIMAL EXERCISE IN WRESTLERS

A. A. MELNIKOV (1), R. YU. NIKOLAEV (2), E. YU. SIBARNOVA (1) 1 -YAROSLAVL STATE PEDAGOGICAL UNIVERSITY NAMED AFTER K.D.USHINSKY, YAROSLAVL, RUSSIA 2 -RIBINSK STATE AVIATION TECHNICAL UNIVERSITY, RIBINSK, RUSSIA

Objective: the purpose of our research was to study the effectiveness of the use of vision in maintaining the postural stability during acute fatigue after maximal exercise in athletes.
Materials and Methods: sambo wrestlers (n = 14) and young healthy men (n = 14) participated in the experiment. The mean velocity (V, mm/s) and variance (Q, mm) of the center of pressure (CP) displacement were estimated in open eyes (EO) and closed eyes (EC) on the mobile see-saw before and within 6 minutes after the Wingate anaerobic test with hardware complex "Stabilan 01-2".
Results: it was found that immediately after the exercise test in the EC condition an increase of Q was equally in both groups, but V was less (p<0.05) in athletes. Moreover, a recovery period of V was shorter in athletes (50 seconds, p <0.05) than the control group (2 min 10 sec). In the EO condition Q did not change in both groups, and V increased after the exercise test only in the control group. However, the recovery period of V in the control group in the EO condition was completed faster (1 min 40 sec) than in the EC condition.
Conclusions: the use of visual information helps significantly to compensate postural instability after strenuous exercise. Physical training in wrestling improves the efficiency of visual sensory information processing which helps to maintain postural balance during in exercised induced acute fatigue.
Keywords: 
vertical posture; stabilography; vision; athletes; Wingate test; recovery..