Assertion: sciatica's cause | /r/HasProperty | trauma
Facets:
value: to the gluteal muscle
type: TRANSITIVE-OBJECT
Source sentences:
text: Causes may include trauma to the gluteal muscle, spasms of the piriformis muscle, anatomical variation, or an overuse injury.
text: The causes of sciatica include spinal injury or trauma, bone spurs or other growths, narrowing of the spinal canal, or tight or swollen muscles in the buttock.