Anatom3DNerve to piriformis muscle
Nervus musculi piriformis · Nerv pro hruškovitý sval
Nervous system
Looks like
A short twig from the first and second sacral nerves entering the front of the piriformis muscle in the pelvis.
What it does
Moves the piriformis, which turns the hip outward.
Keeping it well
Rarely injured; it matters mainly as an anatomical detail of the sacral plexus.
Related conditions
- Amyloidosis (AL and ATTR)
- Bone metastases and spinal cord compression
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Fibromyalgia
- Guillain-Barré syndrome
- Lyme disease
- Myasthenia gravis
- Neurogenic bladder
- Peripheral neuropathy
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Tetanus
- Vitamin B1, C and other deficiencies