Table 1 Quantitative data of H-reflex before and after SCI

From: Early application of tail nerve electrical stimulation-induced walking training promotes locomotor recovery in rats with spinal cord injury

 

SCI time

H-Lat (ms)

M-Lat (ms)

H-Amp (mV)

M-Amp (mV)

H/M ratio

Normal (n=24)

Uninjured

7.69±0.07

2.12±0.11

3.44±0.15

14.04±0.53

0.2525±0.0103

SCI control (n=12)

2 weeks

4.99±0.10

1.45±0.07

4.72±0.26

11.68±0.89

0.4231±0.0305

 

22 weeks

6.61±0.14

1.65±0.08

4.57±0.27

14.42±1.20

0.3354±0.0288*

SCI+TANES (n=12)

2 weeks

5.06±0.09

1.32±0.07

3.85±0.35

9.97±0.91

0.4075±0.0371

 

22 weeks

5.20±0.17

1.41±0.15

4.25±0.43

15.89±1.43

0.2717±0.0200*

  1. Abbreviations: Amp, amplitude; H, H-wave; H/M, H-wave amplitude versus M-wave amplitude; Lat, latency; M, M-wave; ms, millisecond; mV, millivolt; SCI, spinal cord injury; TANES, tail nerve electrical stimulation.
  2. *P=0.045, comparison of H/M ratio between trained rats (SCI+TANES) and untrained rats (SCI control) 22 weeks after SCI.
  3. Note: all data were expressed as mean±s.e.m.