Target force level | Condition | Outcome | Healthy group (n = 16) |  | Stroke group (n = 22) | Between groups | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean ± SD | Difference | t | Sig. (2-tailed) | Mean ± SD | Difference | t | Sig. (2-tailed) | t | Sig. (2-tailed) | |||
Total | Condition 1 | Alternating time (%) | 28.3 ± 8.6 | 18.3 ± 6.3 | −11.046 | 0.000** | 24.6 ± 8.0 | 23.2 ± 11.7 | −5.321 | 0.000** | 1.355 | 0.184 |
Condition 2 | 59.9 ± 7.0 | 43.4 ± 12.8 | 4.692 | 0.000** | ||||||||
Condition 1 | Force applied (%) | 43.7 ± 8.6 | 12.9 ± 5.2 | −3.774 | 0.002* | 50.6 ± 18.9 | 16.7 ± 15.4 | .731 | 0.473 | −1.357 | 0.183 | |
Condition 2 | 52.8 ± 6.0 | 47.3 ± 17.9 | 1.193 | 0.241 | ||||||||
10% MVC | Condition 1 | Alternating time (%) | 27.5 ± 8.3 | 23.2 ± 15.3 | −4.698 | 0.000** | 24.6 ± 10.2 | 21.8 ± 15.6 | −5.282 | 0.000** | 0.944 | 0.352 |
Condition 2 | 48.7 ± 17.5 | 44.6 ± 15.1 | 0.774 | 0.444 | ||||||||
Condition 1 | Force applied (%) | 57.7 ± 13.0 | 11.3 ± 8.0 | 0.794 | 0.440 | 60.8 ± 26.8 | 16.4 ± 18.3 | 1.094 | 0.286 | −0.408 | 0.685 | |
Condition 2 | 55.0 ± 9.4 | 55.1 ± 23.0 | −0.013 | 0.990 | ||||||||
20% MVC | Condition 1 | Alternating time (%) | 30.2 ± 12.3 | 12.2 ± 6.4 | −3.572 | 0.003* | 22.0 ± 9.3 | 22.5 ± 16.7 | −4.503 | 0.000** | 2.347 | 0.025* |
Condition 2 | 39.5 ± 7.2 | 41.5 ± 16.7 | −0.442 | 0.661 | ||||||||
Condition 1 | Force applied (%) | 59.7 ± 10.6 | 13.2 ± 7.9 | 1.457 | 0.166 | 51.8 ± 22.1 | 21.5 ± 24.4 | 0.435 | 0.668 | 1.306 | 0.200 | |
Condition 2 | 54.3 ± 10.2 | 48.8 ± 24.2 | 0.852 | 0.400 | ||||||||
40% MVC | Condition 1 | Alternating time (%) | 27.1 ± 13.3 | 19.4 ± 9.7 | −4.078 | 0.001* | 27.3 ± 12.4 | 25.3 ± 14.8 | −3.197 | 0.004* | −0.041 | 0.967 |
Condition 2 | 42.7 ± 13.7 | 44.0 ± 18.9 | −0.218 | 0.829 | ||||||||
Condition 1 | Force applied (%) | 62.3 ± 9.9 | 14.2 ± 9.9 | 4.634 | 0.000** | 39.1 ± 18.0 | 12.3 ± 13.8 | 0.314 | 0.757 | 4.658 | 0.000** | |
Condition 2 | 49.1 ± 6.1 | 37.9 ± 17.0 | 2.527 | 0.016* |