Espiral AtlasPiriformis muscle
musculus piriformis
Rotates the extended thigh laterally and abducts the flexed thigh; stabilizes the head of the femur in the acetabulum. It is the landmark of the gluteal region: the superior gluteal nerve leaves the pelvis above it and all the other deep gluteal nerves, below.
In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Origin
- Insertion
- Innervation
- Blood supply
Related clinical cases
- Injuries of the sciatic nerve and piriformis syndrome