. Author manuscript; available in PMC: 2023 Aug 7.

Published in final edited form as: Neuromuscul Disord. 2022 Feb 26;32(4):347–357. doi: 10.1016/j.nmd.2022.02.011

Table 1. Human and Mouse Muscle Velocity Recovery Cycle Measurements (MVRCs) compared using parameters described for human MVRCs.

Excitability Measures	Mean ± SE (n)		P for Welch rank test (non parametric)
Excitability Measures	Human TA	Mouse TA	Human Vs Mouse
MRRP	3.70 ± 0.12 (26)	4.79 ± 0.23 (67)	p=0.00128^*
ESN (%)	11.19 ± 0.44 (26)	3.33 ± 0.29 (67)	p=9.21×10^-21^*
ESN@(ms)	7.98 ± 0.23 (26)	10.78 ± 0.36 (67)	p=7.08×10^-9^*
SNEnd (ms)	745.3 ± 39.5 (26)	53.55 ± 5.12(66)	p=6.97×10^-23^*
5ESN (%)	13.01 ± 0.54 (26)	4.90 ± 0.51 (62)	p=1.21×10^-15^*
LSN (%)	3.68 ± 0.17 (26)	0.013 ± 0.066 (70)	p=2.61×10^-24^*
2XLSN (%)	2.25 ± 0.15 (26)	-0.323 ± 0.075 (70)	p=3.12^-×10²³^*
5XLSN (%)	7.03 ± 0.31 (26)	-0.83 ± 0.15 (70)	p=2.62×10^-24^*
RSN (%)	0.125 ± 0.037 (26)	-0.248 ± 0.044 (68)	p=8.90×10^-9^*
5XRSN (%)	0.986 ± 0.081 (26)	-0.568 ± 0.068 (68)	p=1.15×10^-21^*

TA, Tibialis Anterior; MRRP, muscle relative refractory period; ESN, early supernormality (up to 15 ms); ESN@, interstimulus interval for maximum ESN; SNEnd, time supernormal period to 1 conditioning stimulus ends, 5ESN, early supernormality after 5 conditioning stimuli; LSN, late supernormality (50–150 ms); 2XLSN extra supernormality after 2 conditioning stimuli compared with 1 conditioning stimulus; 5XLSN, extra supernormality after 5 conditioning stimuli compared with 1 conditioning stimulus; RSN, residual supernormality (900–1000 ms); 5XRSN, extra residual supernormality after 5 conditioning stimuli.

p<0.01