Table 2 Speed, hip kinematics in the sagittal and frontal planes and hip kinetics in the frontal plane, for the 10 males and 10 females in each group, as recorded by the 2 examiners
Healthy, examiner 1 | Healthy, examiner 2 | OA, examiner 1 | OA, examiner 2 | THA, examiner 1 | THA, examiner 2 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | |
Speed m/s | 1.18 | 1.1 to 1.2 | 1.19 | 1.1 to 1.3 | 0.97 | 0.88 to 1.1 | 0.95 | 0.84 to 1.1 | 1.1 | 1 to 1.2 | 1.1 | 0.99 to 1.2 |
Hip extension degrees | −10.8 | −13.6 to −8.0 | −5.2 | −8.8 to −1.6 | 3.4 | −1.9 to 8.6 | 7.0 | 1.2 to 12.7 | −1.6 | −6.5 to 3.3 | 3.3 | −1.9 to 8.5 |
Hip flexion degrees | 28.8 | 26.5 to 31.1 | 34.9 | 31.3 to 38.5 | 32.7 | 29 to 36.4 | 35.7 | 31.7 to 39.6 | 33.8 | 30 to 37.7 | 37.8 | 33.6 to 41.9 |
Hip ext-flex range degrees | 39.7 | 37.6 to 41.7 | 40.1 | 37.9 to 42.3 | 29.3 | 26.2 to 32.5 | 28.7 | 25.6 to 31.9 | 35.4 | 32.9 to 38 | 34.5 | 31.7 to 37.3 |
Hip adduction degrees | −5.5 | −7.0 to −4.1 | −5.0 | −6.8 to −3.2 | −3.4 | − 5.5 to −1.3) | −2.5 | −4.3 to −0.6) | −5.0 | −6.5 to −3.5) | −2.6 | − 4.1 to − 1.2) |
Hip abduction degrees | 6.1 | 4.8 to 7.4 | 7.6 | 5.7 to 9.4 | 4.5 | 2.7 to 6.3 | 5.5 | 3.6 to 7.3 | 4.7 | 3.2 to 6.2 | 7.7 | 6.3 to 9.1 |
Hip add-abd range degrees | 11.6 | 9.6 to 13.5 | 12.5 | 10.6 to 14.5 | 7.9 | 6.6 to 9.2 | 7.9 | 6.5 to 9.4 | 9.7 | 8.4 to 11.1 | 10.4 | 8.8 to 11.9 |
Hip add moment Nm/kg | 0.82 | 0.77 to 0.86 | 0.9 | 0.85 to 0.97 | 0.7 | 0.54 to 0.87 | 0.74 | 0.58 to 0.90 | 0.79 | 0.73 to 0.85 | 0.86 | 0.78 to 0.94 |
Hip abd moment Nm/kg | −0.24 | −0.28 to −0.19 | −0.23 | −0.27 to − 0.19 | −0.2 | − 0.22 to − 0.14) | −0.18 | − 0.21 to − 0.14) | −0.19 | − 0.22 to − 0.16) | −0.19 | − 0.20 to − 0.16) |
Hip add-abd moment range Nm/kg | 1.05 | 0.97 to 1.1 | 1.1 | 1.06 to 1.2 | 0.9 | 0.73 to 1.05 | 0.9 | 0.77 to 1.1 | 0.98 | 0.91 to 1.04 | 1.05 | 0.97 to 1.15 |