Back pain and something I've found to help

Hello!

I have strained my lower back very bad. I cant workout the way I would like. I'm now using this Tens accue releaf dual channel pain release device. I found it on Amazon much cheaper than what we paid for it at CVS. I'm using it now and I'm in love with it. I've taken pain meds and muscle relaxer along with shots from the hospital and this so much better than all those. Ill add a picture in case someone here needs this. It has many settings so everyone can find their own level. You can even do 2 different areas at once.

I would love to so some extremely gentle back stretches or perhaps even some very light yoga. Can you all give me some suggestions on which vedios to try, please?