Table 5.
Waveforms detected by the algorithm in subcutaneous electrode recording from left biceps brachii before, during, and after application of NMES at two currents and pulse widths to right elbow flexors
| 80% Motor Threshold |
10% MVC Force |
20% MVC Force |
||||
|---|---|---|---|---|---|---|
| 0.2 Ms | 1 Ms | 0.2 Ms | 1 Ms | 0.2 Ms | 1 Ms | |
| Low thresholda | ||||||
| Before | 2.7 ± 1.5 | 2.7 ± 1.4 | 2.6 ± 1.5 | 2.9 ± 1.6 | 3.1 ± 2.2 | 2.8 ± 1.7 |
| During | 3.6 ± 2.4 | 3.4 ± 1.5 | 4.0 ± 2.9 | 3.1 ± 1.2 | 3.7 ± 1.7 | 3.9 ± 3.0 |
| After | 3.9 ± 2.9 | 3.9 ± 1.8 | 4.4 ± 3.1 | 3.3 ± 1.6 | 4.1 ± 2.4 | 4.0 ± 2.1 |
| High thresholdb | ||||||
| Before | 4.1 ± 2.9 | 5.0 ± 1.7 | 4.2 ± 1.9 | 3.8 ± 1.8 | 5.1 ± 2.7 | 4.2 ± 1.9 |
| During | 7.3 ± 4.3 | 8.0 ± 3.1 | 8.7 ± 2.4 | 7.6 ± 1.1 | 9.1 ± 3.4 | 9.1 ± 3.2 |
| After | 9.9 ± 6.7 | 10.1 ± 5.3 | 8.4 ± 2.3 | 9.0 ± 4.2 | 8.4 ± 4.2 | 12.3 ± 6.3 |
Values are means ± SD.
a
n = 28;
b
n = 16.