[Modulation of the segmental reflex reactions during real locomotion in rats].
Studies of low- and high-threshold reflex reactions evoked by dorsal root stimulation in different phases of real locomotion (swimming) in rat were performed. The pronounced facilitation of low- and high-threshold muscle responses in the period of particular muscle activity and their extensive depression in the period coupled with antagonist muscle activity were revealed. The low-threshold stimulation did not change the temporal and amplitude parameters of locomotor movements, but high-threshold one influenced the amplitude and frequency of locomotor movements. The functional significance and possible mechanisms of modulation of the influence of peripheral afferents are discussed.
Iakhnitsa
I A
IA
Piliavskiĭ
A I
AI
Bulgakova
N V
NV
D000818:Animals; D004558:Electric Stimulation; D004576:Electromyography; D005260:Female; D005727:Ganglia, Spinal / Q000502:physiology; D008124:Locomotion; D008297:Male; D009046:Motor Neurons / Q000502:physiology; D051381:Rats; D012018:Reflex / Q000502:physiology*; D012684:Sensory Thresholds / Q000502:physiology; D013550:Swimming
Moduliatsiia segmentarnykh reflektornykh reaktsiĭ vo vremia real'noĭ lokomotsii krys.