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Table 1 MVIC peak torque and surface EMG amplitudes. (Mean (± SD, 95% CI)) at PRE, POST (n: 16), 1H and 48H (n: 12) for STIM, STIM + Vib and Vib conditions

From: Effect of tendon vibration during wide-pulse neuromuscular electrical stimulation (NMES) on the decline and recovery of muscle force

Measure

PRE

POST

1H

48H

Mean ± SD

95% CI

Mean ± SD

95% CI

Mean ± SD

95% CI

Mean ± SD

95% CI

MVIC PT (N)

 STIM

237.8 ± 90.2

189.7–285.8

219.1 ± 90.0*

171.1–267.0

216 ± 72.0*

170.1–261.4

228.7 ± 72.2

182.8–274.6

 STIM + Vib

229.3 ± 82.0

185.6–273.0

222.9 ± 84.8

177.7–268.0

222.1 ± 77.3

173.0–271.3

233.4 ± 67.2

190.6–276.0

 Vib

214.2 ± 63.4

174.0–254.5

212 .8 ± 59.0

175.4–250.5

224.6 ± 73.8

177.7–271.5

230.5 ± 68.1

187.2–273.8

QUAD EMG (mV)

 STIM

1.27 ± 0.60

0.94–1.61

1.14 ± 0.48

0.88–1.40

1.20 ± 0.53

0.90–1.51

1.19 ± 0.48

0.85–1.52

 STIM + Vib

1.32 ± 0.51

1.05–1.60

1.29 ± 0.52

1.01–1.56

1.38 ± 0.54

1.03–1.72

1.4 ± 0.49

1.09–1.71

 Vib

1.14 ± 0.62

0.75–1.54

1.16 ± 0.60

0.78–1.54

1.16 ± 0.52

0.83–1.50

1.23 ± 0.64

0.82–1.63

RF EMG (mV)

 STIM

0.39 ± 0.16

0.30–0.48

0.32 ± 0.14 *

0.25–0.40

0.35 ± 0.19

0.23–0.47

0.33 ± 0.17

0.22–0.44

 STIM + Vib

0.38 ± 0.17

0.29–0.47

0.38 ± 0.19

0.28–0.49

0.39 ± 0.23

0.25–0.53

0.39 ± 0.15

0.29–0.48

 Vib

0.32 ± 0.2

0.20–0.45

0.33 ± 0.19

0.21–0.45

0.33 ± 0.17

0.22–0.44

0.37 ± 0.22

0.23–0.51

VM EMG (mV)

 STIM

0.50 ± 0.44

0.27–0.74

0.48 ± 0.38

0.28–0.68

0.51 ± 0.39

0.26–0.76

0.52 ± 0.37

0.28–0.75

 STIM + Vib

0.47 ± 0.33

0.29–0.64

0.46 ± 0.34

0.28–0.64

0.51 ± 0.38

0.27–0.75

0.61 ± 0.43

0.34–0.88

 Vib

0.35 ± 0.34

0.14–0.57

0.35 ± 0.33

0.14–0.56

0.34 ± 0.30

0.15–0.53

0.34 ± 0.33

0.13–0.56

VL EMG (mV)

 STIM

0.38 ± 0.22

0.26–0.50

0.33 ± 0.19

0.23–0.43

0.34 ± 0.24

0.19–0.50

0.35 ± 0.30

0.16–0.54

 STIM + Vib

0.48 ± 0.30

0.32–0.64

0.45 ± 0.28

0.30–0.60

0.47 ± 0.36

0.24–0.70

0.40 ± 0.27

0.23–0.57

 Vib

0.46 ± 0.37

0.23–0.69

0.48 ± 0.38

0.24–0.72

0.49 ± 0.36

0.26–0.72

0.51 ± 0.42

0.25–0.78

% from PRE (baseline MVIC PT)

 STIM

−

−

-8.72 ± 5.79 *

−11.80 - −5.64

−6.79 ± 7.26

−11.40 - −2.17

−0.67 ± 11.39

−7.91 - 6.57

 STIM + Vib

−

−

−3.28 ± 6.44

−6.71 - 0.15

−1.61 ± 6.61

−5.80 - 2.59

4.52 ± 4.86

1.43–7.60

 Vib

−

−

0.05 ± 5.76

−3.61- 3.71

4.42 ± 11.61

−2.95 - 11.80

7.93 ± 12.56

−0.06 -15.91

  1. MVI maximal voluntary isometric contraction, PT peak torque, VM vastus medialis muscle, VL vastus lateralis muscle, RF rectus femoris muscle, EMG RMS root mean square EMG amplitude, SD standard deviation, 95% CI 95% Confidence Interval
  2. *Significant difference from PRE (P <0.05)
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BMC Neurology

ISSN: 1471-2377

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