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Table 2 Group results for the neurophysiological parameters

From: Behavioral and neural adaptations in response to five weeks of balance training in older adults: a randomized controlled trial

  H-reflexa Conditioned H-reflex
Ratio Hmax/Mmax ISI Facilitation
Training group Pre 0.36 ± 0.16 −3.8 ± 0.7 22 ± 16%
(n = 15) Post 0.32 ± 0.17   21 ± 13%
Control group Pre 0.46 ± 0.18b −3.8 ± 0.4 11 ± 12%
(n = 13) Post 0.32 ± 0.16b   14 ± 14%
n (TG/CG)   14/9 9/6
  1. aSignificant main effect of session (p < .001) and interaction between session and group (p = .012). bSignificant reduction from pre to post (p < .001)
  2. Group mean values ± SD before (Pre) and after (Post) five weeks of balance training (training group, TG) or habitual activity (control group, CG). The ratio Hmax/Mmax represents the ratio between the maximal H-reflex and M-wave amplitudes. Values for the conditioned H-reflex represent the amount (in % of the control H-reflex) and the corresponding interstimulus interval (ISI, in ms) of the early facilitation of the H-reflex. Both parameters were measured in the soleus muscle. n (TG/CG) = number of participants in each group included in the respective analysis