Efficiency of presynaptic inhibition in sprinters of different qualifications

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Postgraduate student I.V. Piskunov
Velikie Luki State Academy of Physical Culture and Sports, Velikie Luki

Key words: presynaptic inhibition of the Ia afferents of H-reflex stimulation.

When using all three delays between conditioning and testing stimuli, high-skilled sprinters have a significantly smaller increase in the amplitude of the H-reflex (p<0.05) than low-skilled sprinters. This fact indicates that presynaptic inhibition Of ia afferents coming from m. quadriceps to m. soleus motor neurons, more pronounced in highly qualified sprinters.

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