From: Reliability of clinically relevant 3D foot bone angles from quantitative computed tomography
Bone | First axis | Temporary axis | Second axis | Third axis |
---|---|---|---|---|
Calcaneus | Y calc = | 1 → 2 | | t calc = | 3 → 4 | | X calc = Y calc X t calc | Z calc = X calc X Y calc |
Talus | Y tal = | 5 → 6 | | t tal = | 7 → 8 | | Z tal = t tal X Y tal | X tal = Y tal X Z tal |
Cuboid | Y cub = | 9 → 10 | | t cub = | 11 → 12 | | X cub = Y cub X t cub | Z cub = X cub X Y cub |
Navicular | X nav = | 13 → 14 | | t nav = | 13 → 15 | | Y nav = t nav X X nav | Z nav = X nav X Y nav |