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The effect of whole body vibration on the H-reflex, the stretch reflex, and the short-latency response during hopping

The effect of whole body vibration on the H-reflex, the stretch reflex, and the short-latency response during hopping

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RITZMANN, Ramona, Andreas KRAMER, Albert GOLLHOFER, Wolfgang TAUBE, 2013. The effect of whole body vibration on the H-reflex, the stretch reflex, and the short-latency response during hopping. In: Scandinavian Journal of Medicine & Science in Sports. 23(3), pp. 331-339. ISSN 0905-7188. eISSN 1600-0838

@article{Ritzmann2013-06effec-27029, title={The effect of whole body vibration on the H-reflex, the stretch reflex, and the short-latency response during hopping}, year={2013}, doi={10.1111/j.1600-0838.2011.01388.x}, number={3}, volume={23}, issn={0905-7188}, journal={Scandinavian Journal of Medicine & Science in Sports}, pages={331--339}, author={Ritzmann, Ramona and Kramer, Andreas and Gollhofer, Albert and Taube, Wolfgang} }

eng Ritzmann, Ramona deposit-license The effect of whole body vibration on the H-reflex, the stretch reflex, and the short-latency response during hopping Scandinavian Journal of Medicine & Science in Sports ; 23 (2013), 3. - S. 331-339 2014-03-14T12:45:54Z 2013-06 Gollhofer, Albert Kramer, Andreas Taube, Wolfgang The effect of whole body vibration (WBV) on reflex responses is controversially discussed in the literature. In this study, three different modalities of reflex activation with increased motor complexity have been selected to clarify the effects of acute WBV on reflex activation: (1) the electrically evoked H-reflex, (2) the mechanically elicited stretch reflex, and (3) the short-latency response (SLR) during hopping. WBV-induced changes of the H-reflex, the stretch reflex, and the SLR during hopping were recorded in the soleus and gastrocnemius muscles and were analyzed before, during (only the H-reflex), immediately after, 5 min and 10 min after WBV. The main findings were that (1) the H-reflexes were significantly reduced during and at least up to 5 min after WBV, (2) the stretch reflex amplitudes were also significantly reduced immediately after WBV but recovered to their initial amplitudes within 5 min, and (3) the SLR during hopping showed no vibration-induced modulation. With regard to the modalities with low motor complexities, the decreased H- and stretch reflex responses are assumed to point toward a reduced Ia afferent transmission during and after WBV. However, it is assumed that during hopping, the suppression of reflex sensitivity is compensated by facilitatory mechanisms in this complex motor task. Gollhofer, Albert 2014-03-14T12:45:54Z Kramer, Andreas Ritzmann, Ramona Taube, Wolfgang

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