Espiral AtlasStapedius muscle
musculus stapedius
Pulls the stapes posteriorly and rocks its base in the oval window, which tenses the annular ligament and reduces the amplitude of oscillation. It also prevents excessive movement of the stapes.
In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Origin
- Insertion
- Innervation
Related clinical cases
- Paralysis of the stapedius and hyperacusis