Table 1 Means (standard deviations, SD) of the crossing speed, stride length, and toe-obstacle and heel-obstacle distances in the TCC and Control groups when crossing obstacles of different heights.
Obstacle height (%LL) | Effects | |||
|---|---|---|---|---|
10 | 20 | 30 | ||
Crossing speed (m/s) | ||||
TCC | 0.70 (0.06) | 0.66 (0.07) | 0.62 (0.07) | ph = 0.01↓ |
Control | 0.80 (0.14) | 0.70 (0.12) | 0.64 (0.11) | pg = 0.17 |
Leading stride length (% LL) | ||||
TCC | 134.2 (8.0) | 133.8 (8.4) | 132.6 (8.3) | ph = 0.01↓ |
Control | 139.5 (11.7) | 136.4 (11.1) | 134.9 (12.1) | pg = 0.33 |
Trailing stride length (% LL) | ||||
TCC | 128.0 (7.7) | 128.6 (8.9) | 129.2 (10.7) | ph = 0.31 |
Control | 141.7 (11.8) | 139.1 (11.1) | 137.3 (10.9) | pg = 0.01* |
Toe-obstacle distance (% LL) | ||||
TCC | 24.94 (4.8) | 25.35 (4.8) | 24.38 (5.1) | ph = 0.28 |
Control | 24.94 (4.4) | 24.60 (4.2) | 24.24 (4.8) | pg = 0.86 |
Heel-obstacle distance (% LL) | ||||
TCC | 17.33 (2.8) | 16.43 (3.3) | 15.59 (3.5) | ph = 0.01↓ |
Control | 18.38 (5.1) | 16.38 (3.7) | 15.09 (4.5) | pg = 0.89 |
Leading-toe clearance (mm) | ||||
TCC | 183.3 (23.4) | 192.5 (24.5) | 200.9 (19.1) | ph = 0.01↑ |
Control | 147.8 (47.8) | 169.0 (32.9) | 183.8 (42.8) | pg = 0.04* |
Trailing-toe clearance (mm) | ||||
TCC | 173.2 (31.1) | 181.1 (41.3) | 182.9 (45.7) | ph = 0.33 |
Control | 129.1 (45.6) | 133.9 (51.9) | 149.4 (55.3) | pg = 0.01* |