Postural Responses Evoked by Unilateral Vibration of Lower Limb Muscles in Standing Subjects

  • Marian Šaling
  • František Hlavačka

Abstract

Integration of somatosensory information from different regions of the body is an important mechanism for maintaining upright posture, in which proprioceptive afferentation from the lower limb does not play a negligible role. Bilateral vibration of lower limb muscles, which activates muscle afferents in a specific way, is able to evoke body tilts or even a falling reaction of the subject (Eklund, 1972; Gurfinkel et al., 1977). Postural responses probably result from a change of general somesthetic information about body position evoked by muscle afferent activity. In the present work we have tested the possibility of inducing postural responses by vibration of a single muscle of the lower extremity and simultaneously, we tried to find whether the evoked afferent activity can influence the integration of somesthetic information about body position.

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References

  1. Eklund, G., 1972, General features of vibration-induced effects on balance, Uppsala J. Med. Sci., 77, 112–124.Google Scholar
  2. Gurfinkel, V.S., Lipschic, M.I., and Popov, K.E., 1977, Issledovanie sistemy regulyatsii postvibratsionnoy stimulatsiei myshechnykh vereten, Fiziologia tcheloveka, 3, 635–643.Google Scholar

Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • Marian Šaling
    • 1
  • František Hlavačka
    • 1
  1. 1.Institute of Normal and Pathological PhysiologyCentre of Physiological Sciences, Slovak Academy of ScienceBratislavaCzechoslovakia

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