Appendix 1.
| a) Coefficients of Correlation – Averaged Across Subjects and Trials | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IF% MVC) | FI (%MVC) | I/M | I/R | I/L | M/I | M/R | M/L | R/I | RM | R/L | L/I | L/M | L/R |
| 0 | 10 | 0.420 | 0.228 | 0.491 | 0.420 | 0.668 | −0.602 | 0.392 | 0.687 | 0.367 | 0.903 | 0.414 | 0.959 |
| 0 | 20 | 0.904 | 0.871 | 0.609 | 0.899 | 0.908 | 0.287 | 0.813 | 0.930 | 0.836 | 0.944 | 0.819 | 0.967 |
| 0 | 30 | 0.941 | 0.918 | 0.666 | 0.920 | 0.940 | 0.274 | 0.892 | 0.875 | 0.824 | 0.928 | 0.852 | 0.967 |
| 0 | 40 | 0.920 | 0.814 | 0.652 | 0.887 | 0.830 | −0.085 | 0.934 | 0.915 | 0.875 | 0.912 | 0.846 | 0.965 |
| 5 | 10 | 0.923 | 0.592 | −0.002 | −0.150 | 0.711 | −0.702 | 0.195 | 0.863 | 0.551 | 0.770 | 0.201 | 0.838 |
| 5 | 20 | 0.858 | 0.837 | 0.399 | 0.623 | 0.861 | −0.195 | 0.678 | 0.915 | 0.778 | 0.780 | 0.769 | 0.922 |
| 5 | 30 | 0.828 | 0.710 | 0.454 | 0.884 | 0.919 | −0.095 | 0.847 | 0.908 | 0.877 | 0.807 | 0.740 | 0.951 |
| 5 | 40 | 0.919 | 0.591 | −0.043 | 0.861 | 0.840 | −0.426 | 0.838 | 0.852 | 0.908 | 0.850 | 0.731 | 0.861 |
| 10 | 10 | 0.326 | 0.128 | −0.432 | −0.245 | 0.622 | −0.675 | −0.274 | 0.638 | 0.469 | 0.326 | 0.509 | 0.884 |
| 10 | 20 | 0.847 | 0.731 | 0.192 | 0.740 | 0.915 | −0.003 | −0.211 | 0.506 | 0.752 | 0.629 | 0.753 | 0.883 |
| 10 | 30 | 0.782 | 0.696 | 0.044 | 0.742 | 0.853 | −0.033 | 0.395 | 0.882 | 0.827 | 0.605 | 0.743 | 0.927 |
| 10 | 40 | 0.755 | 0.538 | −0.188 | 0.739 | 0.840 | −0.279 | 0.479 | 0.790 | 0.805 | 0.776 | 0.822 | 0.884 |
| 15 | 10 | 0.573 | −0.152 | −0.559 | 0.079 | 0.436 | −0.500 | −0.315 | 0.491 | 0.676 | 0.248 | 0.046 | 0.837 |
| 15 | 20 | 0.457 | 0.195 | −0.225 | 0.333 | 0.547 | −0.344 | 0.314 | 0.772 | 0.631 | 0.521 | 0.491 | 0.923 |
| 15 | 30 | 0.758 | 0.623 | 0.125 | 0.301 | 0.607 | −0.418 | 0.162 | 0.800 | 0.740 | 0.510 | 0.657 | 0.919 |
| 15 | 40 | 0.594 | 0.667 | 0.057 | 0.838 | 0.913 | 0.270 | 0.330 | 0.789 | 0.593 | 0.273 | 0.526 | 0.945 |
| 20 | 10 | 0.374 | −0.145 | −0.462 | −0.300 | 0.797 | −0.711 | 0.155 | 0.842 | 0.171 | −0.097 | −0.229 | 0.706 |
| 20 | 20 | 0.799 | 0.689 | −0.104 | −0.152 | 0.709 | −0.324 | −0.064 | 0.641 | 0.592 | 0.350 | 0.331 | 0.862 |
| 20 | 30 | 0.347 | 0.144 | −0.550 | 0.337 | 0.796 | −0.390 | 0.187 | 0.568 | 0.606 | 0.021 | 0.018 | 0.831 |
| 20 | 40 | 0.387 | 0.105 | −0.352 | 0.621 | 0.666 | 0.107 | 0.567 | 0.881 | 0.797 | 0.422 | 0.482 | 0.844 |
| 25 | 10 | −0.580 | −0.588 | −0.617 | −0.562 | 0.090 | −0.873 | −0.352 | 0.440 | 0.002 | −0.028 | 0.016 | 0.722 |
| 25 | 20 | −0.216 | −0.409 | −0.718 | −0.160 | 0.539 | −0.602 | −0.160 | 0.580 | 0.378 | 0.075 | −0.301 | 0.564 |
| 25 | 30 | 0.031 | −0.167 | −0.203 | −0.290 | 0.343 | −0.478 | 0.085 | 0.349 | 0.316 | 0.193 | 0.032 | 0.518 |
| 25 | 40 | −0.122 | −0.489 | −0.784 | 0.085 | 0.385 | −0.651 | 0.043 | 0.604 | 0.387 | 0.024 | −0.018 | 0.434 |
| b) Regression Coefficients – Averaged Across Subjects and Trials | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Master/Slave Combination | |||||||||||||
| IF (% MVC) | FI (%MVC) | I/M | I/R | I/L | M/I | M/R | M/L | RI | R/M | R/L | L/I | L/M | L/R |
| 0 | 10 | 0.067 | 0.049 | 0.008 | 0.141 | 0.079 | −0.019 | 0.034 | 0.127 | 0.041 | 0.283 | 0.101 | 0.404 |
| 0 | 20 | 0.077 | 0.043 | 0.027 | 0.174 | 0.076 | 0.013 | 0.111 | 0.249 | 0.540 | 0.169 | 0.102 | 0.224 |
| 0 | 30 | 0.063 | 0.036 | 0.012 | 0.146 | 0.083 | 0.005 | 0.123 | 0.222 | 0.102 | 0.207 | 0.167 | 0.257 |
| 0 | 40 | 0.060 | 0.033 | 0.012 | 0.160 | 0.054 | −0.006 | 0.184 | 0.315 | 0.138 | 0.143 | 0.143 | 0.362 |
| 5 | 10 | 0.161 | 0.073 | 0.045 | −0.040 | 0.080 | −0.073 | 0.016 | 0.208 | 0.047 | 0.169 | 0.057 | 0.178 |
| 5 | 20 | 0.071 | 0.028 | 0.006 | 0.056 | 0.074 | −0.006 | 0.083 | 0.235 | 0.097 | 0.118 | 0.164 | 0.409 |
| 5 | 30 | 0.057 | 0.024 | 0.009 | 0.140 | 0.097 | −0.005 | 0.160 | 0.342 | 0.126 | 0.308 | 0.299 | 0.371 |
| 5 | 40 | 0.074 | 0.024 | −0.002 | 0.102 | 0.056 | −0.026 | 0.051 | 0.278 | 0.157 | 0.132 | 0.137 | 0.221 |
| 10 | 10 | 0.036 | 0.003 | −0.038 | −0.103 | 0.045 | −0.056 | −0.082 | 0.218 | 0.062 | 0.071 | 0.108 | 0.214 |
| 10 | 20 | 0.045 | 0.008 | −0.035 | 0.135 | 0.093 | −0.003 | −0.075 | 0.168 | 0.152 | 0.027 | 0.056 | 0.204 |
| 10 | 30 | 0.059 | 0.026 | −0.001 | 0.129 | 0.092 | −0.009 | 0.055 | 0.289 | 0.141 | −0.016 | 0.034 | 0.188 |
| 10 | 40 | 0.045 | 0.017 | −0.008 | 0.127 | 0.102 | −0.018 | 0.064 | 0.328 | 0.205 | 0.181 | 0.214 | 0.370 |
| 15 | 10 | 0.023 | −0.021 | −0.044 | −0.108 | −0.031 | −0.130 | −0.087 | 0.097 | 0.121 | 0.043 | −0.035 | 0.220 |
| 15 | 20 | 0.027 | −0.002 | −0.012 | 0.016 | 0.050 | −0.025 | −0.017 | 0.231 | 0.094 | −0.034 | 0.075 | 0.287 |
| 15 | 30 | 0.061 | 0.026 | −0.003 | −0.016 | 0.059 | −0.044 | −0.017 | 0.304 | 0.106 | 0.016 | 0.122 | 0.232 |
| 15 | 40 | 0.061 | 0.017 | −0.017 | 0.169 | 0.126 | 0.000 | 0.016 | 0.285 | 0.103 | 0.023 | 0.094 | 0.284 |
| 20 | 10 | 0.040 | −0.031 | −0.053 | −0.150 | 0.156 | −0.090 | 0.393 | 0.857 | −0.030 | −0.165 | 0.094 | 0.506 |
| 20 | 20 | 0.051 | 0.024 | −0.053 | −0.186 | 0.024 | −0.085 | −0.151 | 0.124 | 0.116 | 0.012 | 0.049 | 0.246 |
| 20 | 30 | 0.007 | 0.004 | −0.036 | −0.022 | 0.092 | −0.061 | −0.090 | 0.217 | 0.125 | −0.062 | 0.054 | 0.278 |
| 20 | 40 | 0.019 | 0.005 | −0.031 | 0.182 | 0.135 | −0.014 | 0.129 | 0.360 | 0.166 | 0.059 | 0.147 | 0.285 |
| 25 | 10 | −0.142 | −0.083 | −0.072 | −0.196 | −0.032 | −0.154 | −0.172 | 0.177 | −0.020 | −0.129 | −0.038 | 0.273 |
| 25 | 20 | −0.062 | −0.100 | −0.092 | −0.047 | 0.032 | −0.063 | −0.013 | 0.318 | 0.055 | −0.166 | −0.134 | 0.098 |
| 25 | 30 | −0.027 | −0.098 | −0.030 | −0.132 | −0.042 | −0.143 | −0.059 | 0.153 | 0.074 | −0.137 | 0.015 | 0.124 |
| 25 | 40 | −0.027 | −0.053 | −0.076 | −0.106 | −0.028 | −0.117 | −0.005 | 0.238 | 0.141 | −0.097 | 0.022 | 0.262 |