Table 19.

Cervical medial branch diameters^{202 203}

Medial branch	Mean±SD diameter (mm)*	Mean±SD diameter (mm)†
C3 superficial medial branch (TON)	1.5±0.4
C3 deep medial branch	0.5±0.2
C4 medial branch	0.9±0.3	1.2±0.3
C5 medial branch	0.9±0.3	1.2±0.3
C6 medial branch	0.7±0.1	1.0±0.2
C7 medial branch	0.6±0.2	1.0±0.3

*Adopted from Lord et al. ²⁰²

†Adopted from Kweon et al. ²⁰³