Posterior [[C1-C2 fusion]] with [[polyaxial screw]] and [[rod]] fixation for [[atlantoaxial fusion]] described by [[Atul Goel]] and Laheri, and subsequently modified by [[Jürgen Harms]].

see [[Harms Technique]]

(C1 Lateral Mass Screws and C2 Pedicle/Pars Screws)

Alternative to [[transarticular screw fixation]].

More forgiving in cases with an aberrant vertebral artery course.