Hi Nancy, I thought I would jump in and point you to the discussion Chris has shared before. There is an excellent video at the start of the discussion that does a good job explaining what it's all about. The discussion description also lists all of the conditions that it can help.

Myofascial Release Therapy (MFR) for treating compression and pain: https://connect.mayoclinic.org/discussion/myofascial-release-therapy-mfr-for-treating-compression-and-pain/