Table 4 Absolute reliability (measurement error) of kinematic angles measured by inertial measurement units
Angle/ROM (degrees) | SNP | PLHIV | ||
|---|---|---|---|---|
SEM | Upper 95% CL | SEM | Upper 95% CL | |
Pelvis | ||||
 Pelvis tilt ROM | 0.7 | 0.8 | 0.8 | 1.0 |
 Peak pelvis anterior tilt | 1.1 | 1.3 | 1.2 | 1.4 |
 Pelvis obliquity ROM | 0.9 | 1.1 | 1.1 | 1.3 |
 Pelvis rotation ROM | 2.1 | 2.5 | 1.8 | 2.2 |
 Pelvis rotation, IC | 5.2 | 6.2 | 3.7 | 4.4 |
Hip | ||||
 Hip flexion ROM | 2.4 | 2.9 | 2.1 | 2.5 |
 Hip flexion ROM, LR | 1.7 | 2.0 | 2.6 | 3.1 |
 Hip flexion ROM, PS to IS (H3) | 2.3 | 2.8 | 2.0 | 2.4 |
 Hip flexion, IC | 2.4 | 2.9 | 2.1 | 2.5 |
 Peak hip flexion, swing | 2.2 | 2.6 | 2.1 | 2.5 |
 Peak hip extension, stance | 1.8 | 2.2 | 2.4 | 2.9 |
 Hip abduction ROM, mid-stance | 2.6 | 3.1 | 2.0 | 2.4 |
 Hip adduction ROM, LR | 1.4 | 1.7 | 1.5 | 1.8 |
 Hip internal rotation ROM | 2.6 | 3.1 | 2.8 | 3.4 |
Knee | ||||
 Knee flexion ROM | 1.4 | 1.7 | 2.2 | 2.6 |
 Knee flexion ROM, stance (K1) | 2.9 | 3.5 | 2.5 | 3.0 |
 Knee flexion ROM, stance to swing (K3) | 3.0 | 3.6 | 2.8 | 3.4 |
 Knee extension ROM, MSt to TSt (K2) | 1.9 | 2.3 | 2.4 | 2.9 |
 Knee flexion, IC | 3.0 | 3.6 | 3.2 | 3.8 |
 Peak knee flexion during stance, LR | 3.9 | 4.7 | 5.8 | 7.0 |
 Peak knee extension, stance | 2.9 | 3.5 | 3.1 | 3.7 |
 Peak knee flexion, swing | 2.0 | 2.4 | 2.9 | 3.5 |
Ankle | ||||
 Ankle dorsiflexion ROM, stance (A1) | 2.0 | 2.4 | 1.9 | 2.3 |
 Ankle dorsiflexion ROM, swing | 2.9 | 3.5 | 3.3 | 4.0 |
 Ankle plantarflexion ROM, push off (A2) | 2.2 | 2.6 | 3.7 | 4.4 |
 Ankle dorsiflexion, IC | 2.0 | 2.4 | 2.1 | 2.5 |
 Ankle plantarflexion, TO | 5.2 | 6.2 | 4.4 | 5.3 |
 Peak ankle plantarflexion | 4.1 | 4.9 | 4.4 | 5.3 |