Table 2.
Hip and knee joint coordination variability in degrees, mean(standard deviation), for the non-acetabulum (NG) and acetabular cartilage lesions (LG) groups. Statistically significant differences (p < 0.05) between joint couplings are indicated by an *.
| Joint Coupling | Phase 1 | Phase 4 | ||||
|---|---|---|---|---|---|---|
| NG | LG | P-Value | NG | LG | P-Value | |
| Hip flexion-extension/Knee flexion-extension | 6.05(3.19) | 6.69(6.34) | 0.46 | 2.19(4.09) | 2.57(3.61) | 0.32 |
| Hip flexion-extension/Knee abduction-adduction | 14.8(9.26) | 16.7(11.5) | 0.45 | 30.8(28.0) | 24.5(25.2) | 0.36 |
| Hip flexion-extension/Knee rotation | 15.5(10.4)* | 12.0(7.30)* | 0.04 | 24.4(16.2)* | 34.3(24.4)* | <0.01 |
| Hip abduction-adduction/Knee flexion-extension | 11.2(8.63) | 9.99(6.05) | 0.51 | 1.94(5.26) | 1.93(3.50) | 0.56 |
| Hip abduction-adduction/Knee abduction-adduction | 40.8(26.8) | 40.2(26.5) | 0.99 | 6.65(3.83) | 7.44(7.28) | 0.57 |
| Hip abduction-adduction/Knee rotation | 38.7(28.3)* | 27.2(21.9)* | 0.03 | 9.35(5.87)* | 11.1(7.82)* | 0.04 |
| Hip rotation/Knee flexion-extension | 11.1(5.58) | 11.9(7.05) | 0.84 | 2.59(4.69) | 3.25(4.89) | 0.21 |
| Hip rotation/Knee abduction-adduction | 33.2(22.7) | 27.8(15.0) | 0.42 | 10.5(8.38) | 11.2(9.49) | 0.95 |
| Hip rotation/Knee rotation | 37.2(26.8)* | 25.7(17.2)* | 0.01 | 11.0(6.35) | 11.2(7.82) | 0.69 |