Digital Features

This article provides a digital feature, including a video to facilitate the understanding of the article. To view digital features for this article, go to

Key Summary Points

L5S1 instability causes facet joint syndrome resulting in chronic pain.

Patients experiencing facet joint pain may have an impaired gait pattern.

The radiofrequency ablation of the medial branch can allow good pain relief.

Gait analysis can objectify the outcome of the radiofrequency ablation in case of L5S1 instability.