Table 19

Cervical medial branch diameters202 203

Medial branchMean±SD diameter (mm)*Mean±SD diameter (mm)†
C3 superficial medial branch (TON)1.5±0.4
C3 deep medial branch0.5±0.2
C4 medial branch0.9±0.31.2±0.3
C5 medial branch0.9±0.31.2±0.3
C6 medial branch0.7±0.11.0±0.2
C7 medial branch0.6±0.21.0±0.3

  • *Adopted from Lord et al.202

  • †Adopted from Kweon et al.203