Hello, we have an article on cannabis providing some relief for muscle spasticity. As well, a few folks in the community, including our own MDs, have answered questions related to muscle spasms:
https://www.hellomd.com/search?term=muscle%20spasms as well as sciatic pain: https://www.hellomd.com/search?term=sciatic%20pain. Hope these are of help to you.
lyp