Oh, and to balance out the fact that my shoulder pain is (probably) due to a chronic issue regarding my posture that'll take months to fix, I'm pretty sure I resolved a knee issue via one session of intense ball rolling of a tennis ball to my hip flexor and abductors. It was literally causing me to limp until I blew it up and started to feel better immediately.
I bought this:
https://www.amazon.com/gp/product/B01AMN5JDW/
Today just because of how effective my flat tennis ball has been.
Speaking of which, stretching my incredibly tight hip flexors feels better than any other stretch. I can feel them melt away.
Compare that to my incredibly tight hamstrings which I've been stretching twice a day but not making much progress. PS, go fuck yourself
Hoss
for getting my hopes up about a way to quickly get limber hamstrings.