Table 4.
Hip kinematic parameters
| CCS group (n = 12) | Control Group (slow speed) (n = 20) | |||||
|---|---|---|---|---|---|---|
| Variable | Units | Mean | SD | Mean | SD | P value |
| HIP FLEXION-EXTENSION | ||||||
| Flexion at initial contact | degrees | 40.20 | ±9.11 | 38.68 | ±6.41 | 0.584 |
| Max. flex. in stance phase | degrees | 41.24 | ±9.61 | 39.00 | ±6.28 | 0.430 |
| Min. flex. in stance phase | degrees | 4.14 | ±8.69 | 4.15 | ±6.41 | 0.998 |
| Flexion at toe off | degrees | 17.60 | ±10.17 | 17.92 | ±6.39 | 0.913 |
| Max. flex. in swing phase | degrees | 42.70 | ±8.79 | 39.45 | ±6.20 | 0.229 |
| Min. flex. in swing phase | degrees | 17.45 | ±9.96 | 17.92 | ±6.39 | 0.870 |
| Range of motion | degrees | 39.39 | ±6.27 | 36.26 | ±4.18 | 0.099 |
| Time at max. flex. in stance phase | % cycle | 4.57 | ±3.71 | 1.53 | ±1.65 | 0.003 |
| Time at min. flex. in stance phase | % cycle | 55.48 | ±2.82 | 57.17 | ±1.74 | 0.044 |
| Time at flexion toe off | % cycle | 68.41 | ±4.58 | 69.20 | ±1.81 | 0.573 |
| Time at max. flex. in swing phase | % cycle | 93.03 | ±2.71 | 92.90 | ±3.32 | 0.911 |
| Time at min. flex. in swing phase | % cycle | 68.84 | ±5.11 | 69.21 | ±1.81 | 0.813 |
| HIP ADDUCTIO-ABDUCTION | ||||||
| Abd. at initial contact | degrees | 4.44 | ±2.61 | 2.56 | ±2.30 | 0.041 |
| Max. add. in stance phase | degrees | 3.99 | ±2.69 | 3.30 | ±2.32 | 0.451 |
| Max. abd in stance phase | degrees | 6.83 | ±2.77 | 7.63 | ±1.92 | 0.339 |
| Adduction at toe off | degrees | -4.36 | ±3.61 | -7.44 | ±2.05 | 0.016 |
| Max. add in swing phase | degrees | -0.57 | ±2.54 | -2.33 | ±2.12 | 0.044 |
| Max. abd in swing phase | degrees | 6.34 | ±2.84 | 7.99 | ±1.99 | 0.063 |
| Range of motion | degrees | 12.20 | ±3.25 | 11.42 | ±2.68 | 0.471 |
| Time at max. add in stance phase | % cycle | 41.94 | ±11.35 | 30.26 | ±11.97 | 0.011 |
| Time at max. abd in stance phase | % cycle | 35.06 | ±28.94 | 62.48 | ±10.44 | 0.008 |
| Time at max. add in swing phase | % cycle | 85.30 | ±10.23 | 92.34 | ±4.04 | 0.040 |
| Time at max. abd in swing phase | % cycle | 80.28 | ±7.85 | 72.36 | ±4.26 | 0.006 |
| HIP ROTATION | ||||||
| Maximum Internal rotation | degrees | 1.29 | ±6.16 | -0.486 | ±6.59 | 0.455 |
| Minimum internal rotation | degrees | -12.17 | ±8.13 | -12.58 | ±6.83 | 0.880 |
| Range of motion | degrees | 13.47 | ±4.63 | 12.09 | ±2.19 | 0.264 |
| Time at max. internal rotation | % cycle | 51.03 | ±14.98 | 49.77 | ±25.03 | 0.859 |
| Time at min. internal rotation | % cycle | 53.77 | ±26.00 | 59.82 | ±17.19 | 0.483 |
Significant difference between conditions at P < 0.05.