Table 2.
The wide walkway: strides negotiating the obstacle positioned in the midline of the walkway
| Stride Length, cm |
Stride Direction, ° |
Stride Duration, s |
Swing Proportion in Stride, % |
Swing Velocity, m/s |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cat | Unobst | Obst | Unobst | Obst | Unobst | Obst | Unobst | Obst | Unobst | Obst | Paw-to-Obstacle Distance, cm |
| MI | |||||||||||
| 1 | 48 ± 1.3 | 49 ± 2.2 | 3 ± 1.9 | 1 ± 1.0 | 0.58 ± 0.03 | 0.59 ± 0.02 | 47 ± 2 | 45 ± 1 | 1.8 ± 0.1 | 1.8 ± 0.1 | 5.0 ± 0.4 |
| SF | |||||||||||
| 1 | 44 ± 1.4 | 47 ± 0.9 | 4 ± 0.7 | 16 ± 2.5 | 0.74 ± 0.08 | 0.74 ± 0.02 | 44 ± 2 | 45 ± 1 | 1.3 ± 0.1 | 1.4 ± 0.1 | 3.4 ± 0.8 |
| 43 ± 1.0 | 1 ± 0.8 | 0.80 ± 0.07 | 44 ± 2 | 42 ± 2 | 1.3 ± 0.1 | 1.3 ± 0.1 | 6.6 ± 0.9 | ||||
| 2 | 46 ± 0.5 | 39 ± 1.3 | 2 ± 0.4 | 10 ± 1.5 | 0.70 ± 0.05 | 0.77 ± 0.07 | 45 ± 3 | 44 ± 2 | 1.5 ± 0.1 | 1.2 ± 0.1 | 15.7 ± 4.1 |
| 42 ± 0.2 | −3 ± 2.4 | 0.82 ± 0.05 | 42 ± 2 | 1.2 ± 0.1 | 9.0 ± 1.4 | ||||||
| TI | |||||||||||
| 1 | 50 ± 1.0 | 55 ± 1.4 | 0 ± 1.6 | 3 ± 0.9 | 0.68 ± 0.02 | 0.70 ± 0.01 | 43 ± 1 | 42 ± 1 | 1.5 ± 0.1 | 1.9 ± 0.1 | 4.6 ± 0.8 |
| 43 ± 0 | 3 ± 0 | 42 ± 1 | 1.4 ± 0.1 | 5.0 ± 1.0 | |||||||
Values are means ± SD for each cat for numbered sessions as indicated. Obst, a stride preceding the obstacle; Unobst, a corresponding stride of unobstructed walking. Pairs of categories that were different (P < 0.05, t-test) are in bold.