Table 3 Summary of radiographic measurements, physical examination and sagittal kinematics of ankle joint
Mean ± SD | Range | |
|---|---|---|
Radiographic parameter | ||
AP talus-1st metatarsal angle (°) | 23.5 ± 13.7 | 0.7 to 73.4 |
Talonavicular coverage angle (°) | 32.3 ± 12.3 | 8.5 to 61.9 |
Lateral talus-1st metatarsal angle (°) | 33.9 ± 15.1 | 8.1 to 76.8 |
Calcaneal pitch angle (°) | 8.9 ± 7.6 | −14.4 to 21.7 |
Talocalcaneal angle (°) | 56.1 ± 9.1 | 30.9 to 77.3 |
Naviculocuboid overlap (%) | 75.6 ± 19.2 | 13.0 to 100 |
Physical examination | ||
Ankle dorsiflexion in knee extension (°) | −20.6 ± 11.3 | −50.0 to −5.0 |
Sagittal kinematics of ankle joint | ||
Ankle dorsiflexion at initial contact (°) | −3.2 ± 7.0 | −36.5 to 8.7 |
Mean ankle dorsiflexion in stance (°) | 5.2 ± 7.5 | − 37.7 to 19.4 |
Peak ankle dorsiflexion in stance (°) | 11.3 ± 8.5 | − 32.8 to 29.8 |