@nemo1, Here's is some information on your question that might be helpful.

--- Lumbar foraminal neuropathy: an update on non-surgical management: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6615450/

You might also find this discussion started by @jenniferhunter as an option:
--- Myofascial Release Therapy (MFR) for treating compression and pain: https://connect.mayoclinic.org/discussion/myofascial-release-therapy-mfr-for-treating-compression-and-pain/