Physiological mechanisms of plasticity of central and peripheral links of neuromotor system as a result of adaptation to increased activity of skeletal muscles

Elena Lanskaya; Olga Lanskaya; Ekaterina Andriyanova

doi:10.21638/spbu03.2015.407

Authors

Elena Lanskaya Velikiye Luki State Academy of Physical Education and Sports, 4, Yubileynaya ploschad’, Velikiye Luki, 182100, Russian Federation
Olga Lanskaya Velikiye Luki State Academy of Physical Education and Sports, 4, Yubileynaya ploschad’, Velikiye Luki, 182100, Russian Federation
Ekaterina Andriyanova Velikiye Luki State Academy of Physical Education and Sports, 4, Yubileynaya ploschad’, Velikiye Luki, 182100, Russian Federation

DOI:

https://doi.org/10.21638/spbu03.2015.407

Abstract

Sport activities associated with basketball and field athletics run at various distances contribute significantly to the excitability of the cervical spinal motoneuron pools, motor axons, and muscle fibers which is proved to be less typical of powerlifting. At the same time the research indicated an increased level of reflex excitability of α-motoneurons of muscles of the hip and shin, a significant lowering of the threshold of irritation of the correspondent afferent and efferent nerve fibers, and an increase in the quantity and synchronization of activity of motor elements of the lower limb proximal and distal muscles in basketball players and runners as compared with powerlifters. Refs 27. Tables 4.

Keywords:

transcutaneous electrical stimulation of spinal cord, M-response, sports activities of different kinds

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References

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