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Table 4 Normalized median frequency slope (NMFS) in different conditions of the WBV training

From: The neuromuscular responses in patients with Parkinson’s disease under different conditions during whole-body vibration training

   Rectus femoris (%) Hamstring (%) Tibialis anterior (%) Gastrocnemius (%)
   mean ± SD p-value mean ± SD p-value mean ± SD p-value mean ± SD p-value
Group Control 0.15 ± 0.06 0.238 0.18 ± 0.06 0.287 0.33 ± 0.11 0.465 0.26 ± 0.12 0.931
Parkinson 0.26 ± 0.06 0.09 ± 0.06 0.22 ± 0.11 0.24 ± 0.12
Knee
position
Straight 0.06 ± 0.06 0.010* 0.22 ± 0.07 0.089 0.21 ± 0.10 0.425 0.20 ± 0.06 0.568
Bended 0.34 ± 0.08 0.06 ± 0.05 0.34 ± 0.12 0.30 ± 0.16
Vibration frequency 0 Hz 0.26 ± 0.09 0.353 0.18 ± 0.08 0.030* 0.14 ± 0.07 0.458 0.23 ± 0.08 0.553
3 Hz 0.10 ± 0.09 −0.01 ± 0.05 0.37 ± 0.19 0.35 ± 0.23
20 Hz 0.25 ± 0.07 0.25 ± 0.08 0.32 ± 0.12 0.17 ± 0.06
  1. *: p < 0.05