Physical therapy was a tremendous help to me and is the reason that I recovered. If I could do it all over again I would have undergone MUA with the accompanying minor surgery if the surgeon deems it necessary while under the anesthesia.
I found a super great physical therapist and she knew how to really work my arm. The pain was at times difficult to deal with but that is all part of the process or recovering from Frozen Shoulder.
Pain is the reality of the condition of Frozen Shoulder and there is no easy painless way out of it. Accepting the unfortunate reality of having been afflicted with F.S. is an element of the overall issue of the plight of being burdened with F.S.
So many people are angry and enraged that they have been afflicted with F.S. My advice is rather than bemoan and complain about the "unfairness" of the affliction and rather than complain about the pain and loss of sleep---it is far better to either undergo MUA or find a great Physical Therapist and begin to "Grin and Bear It".
Accept your unfortunate plight in having Frozen Shoulder and take action via MUA/Surgery or begin a serious (and often painful) plan of attending a hard core workout with a super great Physical Therapist.
The Physical Therapy is supposed to pull, stretch and break the "spider web-like" adhesions that are "freezing" the arm and shoulder. Over time the stretching, pulling, tugging and bending exercises and work-out movements will break, tear, stretch, pull and loosen up the web-like spiderweb-like Adhesions.
To sum up what I learned about Frozen Shoulder by being afflicted with it it this:
Accept the plight that you have been afflicted with Frozen Shoulder.
Accept that it is painful and that you will lose sleep.
Decide whether to undergo Manipulation Under Anesthesia or embark on a serious Physical Therapy Program.
Be tough, Be brave, Endure the Pain with courage and emotional/psychological strength.
You will recover after a year or so and you will remember that you made it through.
Lastly, keep in mind that you could be suffering from a great many far worse maladies. You could have Parkinson's Disease, Paralysis, Cerebral Palsy or a degenerative neuro-muscular disease.
While it is bad and painful--Frozen Shoulder is not a lifelong crippling malady at all and with work and/or surgery you will almost certainly recover within a year or two at the most.
Be Strong and Endure the Pain because you WILL recover in a short time.