From: An exploratory investigation of changes in gait parameters with age in elderly Japanese women
Parameters | Group 1 (elderly women) | Group 2 (very elderly women) | p value | Effect size |
---|---|---|---|---|
Hip joint | ||||
 First peak extension angular velocity (°/s) | 139.6 ± 26.2 | 129.5 ± 22.9 | NS | 0.41 |
 First peak extension timing (%) | 21.2 ± 2.9 | 20.3 ± 3.5 | NS | 0.28 |
 Second peak extension angular velocity (°/s) | 43.1 ± 21.8 | 41.5 ± 17.2 | NS | 0.08 |
 Second peak extension timing (%) | 93.2 ± 2.7 | 94.7 ± 2.1 | <0.05 | 0.62 |
 Peak flexion velocity (°/s) | −232.7 ± 29.5 | −226.8 ± 39.7 | NS | 0.17 |
 Peak flexion timing (%) | 66.8 ± 1.6 | 67.8 ± 1.5 | <0.05 | 0.64 |
Knee joint | ||||
 First peak extension angular velocity (°/s) | 95.3 ± 27.5 | 87.0 ± 29.0 | NS | 0.29 |
 First peak extension timing (%) | 23.9 ± 3.1 | 23.1 ± 3.9 | NS | 0.23 |
 Second peak extension angular velocity (°/s) | 403.6 ± 50.7 | 379.2 ± 55.4 | NS | 0.46 |
 Second peak extension timing (%) | 88.7 ± 1.1 | 89.0 ± 1.3 | NS | 0.25 |
 First peak flexion angular velocity (°/s) | −176.8 ± 47.7 | −157.1 ± 38.6 | NS | 0.45 |
 First peak flexion timing (%) | 5.9 ± 1.3 | 6.0 ± 1.3 | NS | 0.07 |
 Second peak flexion angular velocity (°/s) | −400.1 ± 50.7 | −378.0 ± 52.9 | NS | 0.42 |
 Second peak flexion timing (%) | 62.3 ± 1.1 | 63.2 ± 1.6 | <0.05 | 0.65 |
Ankle joint | ||||
 First peak plantarflexion angular velocity (°/s) | 275.2 ± 43.8 | 264.9 ± 44.9 | NS | 0.23 |
 First peak plantarflexion timing (%) | 57.3 ± 2.1 | 58.5 ± 1.5 | <0.05 | 0.65 |
 Second peak plantarflexion angular velocity (°/s) | 81.7 ± 23.8 | 87.7 ± 33.8 | NS | 0.66 |
 Second peak plantarflexion timing (%) | 91.8 ± 2.6 | 92.4 ± 2.7 | NS | 0.22 |
 First peak dorsiflexion angular velocity (°/s) | −111.1 ± 21.0 | −104.4 ± 20.7 | NS | 0.32 |
 First peak dorsiflexion timing (%) | 12.0 ± 1.9 | 11.3 ± 1.6 | NS | 0.40 |
 Second peak dorsiflexion angular velocity (°/s) | −167.3 ± 41.9 | −161.2 ± 52.0 | NS | 0.13 |
 Second peak dorsiflexion timing (%) | 71.3 ± 2.9 | 72.5 ± 2.4 | NS | 0.45 |