Table 2.
Control Data
| Triceps |
Biceps |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pre |
Post |
Pre |
Post |
|||||||
| Control Variable | Mean | SD | Mean | SD | P Value | Mean | SD | Mean | SD | P Value |
| A. Slope of unaffected-arm recruitment curve | 1.57 | 1.20 | 1.54 | 1.44 | ns | 4.32 | 3.55 | 7.63 | 9.08 | ns |
| B. Affected-arm background EMG (contralesional stimulation) | 6.41 | 0.98 | 6.36 | 1.26 | ns | 5.31 | 1.82 | 6.23 | 1.99 | ns |
| C. Affected-arm background EMG (ipsilesional stimulation) | 9.71 | 2.09 | 9.69 | 2.21 | ns | 8.26 | 3.43 | 8.83 | 4.15 | ns |
| D. Unaffected-arm mirror EMG (contralesional stimulation; n = 3) | 3.47 | 4.25 | 3.24 | 2.54 | ns | 11.25 | 15.92 | 7.04 | 6.93 | ns |
| E. Unaffected-arm mirror EMG (ipsilesional stimulation; n = 3) | 3.42 | 3.63 | 4.07 | 3.27 | ns | 5.85 | 6.48 | 9.02 | 10.38 | ns |
Abbreviations: Pre, immediately before training; Post, immediately after training; EMG, mean rectified electromyographic activity (in μV) calculated over 100 ms before stimulus delivery; SD, standard deviation.