. 2019 Dec 2;19(3):893–910. doi: 10.1007/s10237-019-01259-6

Table 2.

Parameter values, up to four significant digits, describing the surfaces of the left and right facet joint between L4 and L5 (Eq. (4): $f (x, y) = p_{30} \cdot x^{3} + p_{03} \cdot y^{3} + p_{20} \cdot x^{2} + p_{02} \cdot y^{2} + p_{00}$ )

Parameter	Left facet	Right facet
p₃₀	− 0.007975	0.01011
p₀₃	− 0.004237	− 0.008587
p₂₀	− 0.1823	− 0.1236
p₀₂	− 0.1734	− 0.2915
p₀₀	47.31	44.26