Subregions | Practical importance | AP/ vertical | CC/ longitudinal | LAT/ lateral |
---|---|---|---|---|
C1-2 and C5-7 | Rotation of the vertebrae | 3.1 mm | 1.2 mm | 2.3 mm |
ρ = −0.34 (−0.21) | ρ = 0.55 (0.82) | ρ = −0.14 (−0.06) | ||
C5-7 and occiput bone | Rotation of patient | 3.4 mm | 1.5 mm | - |
ρ = −0.34 (−0.26) | ρ = 0.34 (0.63) | |||
C1-2 and occiput bone | Orientation of vertebrae and skull base | 1.9 mm | 1.3 mm | - |
ρ = 0.69 (0.60) | ρ = 0.55 (0.66) | |||
Mandible and occiput bone | Nod movement of the head | 2.6 mm | 4.0 mm | - |
ρ = 0.42 (0.37) | ρ = −0.27 (−0.27) | |||
Mandible and C1-2 | Independent movement of mandible | 2.2 mm | 2.9 mm | 1.5 mm |
ρ = 0.61 (0.30) | ρ = 0.12 (−0.22) | ρ = 0.62 (0.57) |