Table 2.
Test-retest normative data (mean ± SD (CV)) and reliability (ICC and CVME) of eight SOL CMC measures
| Muscle State | Measure | Body Side | Day 1 Mean ± SD (CV) |
Day 2 Mean ± SD (CV) |
ICC95% CI | CVME |
|---|---|---|---|---|---|---|
| Rest | RMT (% MSO) |
Left |
53 ± 13 (24) |
52 ± 10 (19) |
0.93(0.82-0.97)¥ | 8† |
| Right |
52 ± 11 (22) |
52 ± 13 (25) |
0.93(0.82-0.98)¥ | 8† | ||
| Amplitude (mV) |
Left | 0.161 ± 0.187 (116) |
0.126 ± 0.066 (53) |
0.65(0.09-0.87) | 70 | |
| Right | 0.123 ± 0.062 (50) |
0.125 ± 0.057 (46) |
0.85(0.58-0.94)¥ | 25 | ||
| Latency (msec) |
Left |
37.8 ± 4.4 (12) |
37.2 ± 4.2 (11) |
0.95(0.86-0.98)¥ | 4† | |
| Right |
37.5 ± 4.4 (12) |
37.2 ± 4 (11) |
0.78(0.42-0.92)¥ | 7† | ||
| Normalized Latency ((msec/cm) *100) |
Left |
22 ± 2 (10) |
21 ± 2 (9) |
0.92(0.78-0.97)¥ | 4† | |
| Right | 22 ± 2 (10) |
21 ± 2 (11) |
0.72(0.24-0.90) | 7† | ||
| Active | CSP (ms) |
Left | 130.4 ± 47.0 (36) |
144.4 ± 47.9 (33) |
0.83(0.56-0.94)¥ | 18 |
| Right | 125.3 ± 45.4 (36) |
156.1 ± 41.7 (27) |
0.72(0.03-0.91) | 17 | ||
| Amplitude (mV) |
Left | 0.815 ± 0.511 (63) |
0.762 ± 0.508 (67) |
0.92(0.79-0.97)¥ | 25 | |
| Right | 0.766 ± 0.643 (84) |
0.864 ± 0.577 (67) |
0.93(0.83-0.98) ¥ | 27 | ||
| Latency (msec) |
Left | 32.6 ± 3.4 (10) |
34.5 ± 4.7 (13) |
0.64(0.1-0.86) | 8† | |
| Right |
35.2 ± 4.8 (14) |
33.6 ± 3.2 (10) |
0.78(0.40-0.92)¥ | 7† | ||
| Normalized Latency ((msec/cm) *100) |
Left | 19 ± 2 (10) |
20 ± 2 (9) |
0.52(−0.14-0.82) | 7† | |
| Right | 20 ± 2 (9) |
19 ± 2 (8) |
0.51(−0.21–0.81) | 7† |
Note: Bold text denotes that this measure for that side has an overall good reliability (i.e., both ICC and CVME were ≥0.75 and ≤15, respectively);
¥
- denotes that the ICC for that measure was ≥0.75;
†
- denotes that the CVME for that measure was ≤ 15.