I Am A Rotator Cuff Expert.......
Since 2009, I have had 3 rotator cuff surgeries ( left & right shoulders) and next year I'll have my 4th rotator cuff surgery.....3 will have been on my right shoulder and I am right handed.. The next one will unfortunately involve 2 full thickness tears to the Supraspinatus(1.6cm & 2.1cm), partial tears to the Infraspinatus, torn labrum, arthritic joint problems, and ugh..... a tenodesis.........this is the last resort......the big head tendon used for my right arm abduction will be surgically severed. I'll have a appreciable loss of strength in my right arm and some awful lumps where the tendon will roll back after being severed but that's just how it goes. The tendon keeps ripping off the humerus even after being attached with medical bolts, and in the 3rd surgery, steel sutures were used to reattach the tendon. Nope, didn't last & so it's become the last resort.....just sever the muscle.....eliminate it entirely.
I have become pretty much an expert on shoulder surgeries.......torn labrum, big & short head tendons, partial tears, full thickness tears, arthritis joint degeneration, clavicle resection, tendon reattachment. Gosh, you pretty much name it and it's been done....two (2) medial anchor bolts, steel woven sutures, etc. I even tried the cortisone therapy in between surgeries.......pretty much did everything and anything imaginable to try repair/heal both shoulders.
And yes, my pool game has suffered and will never completely recover.......2/3rds of every rotator cuff surgery performed on males over the age of 55 yrs. old fail within 2 years of the date of surgery. I realize you're not having surgery but do pay attention to the severity of your shoulder injury. I'm in my late 60's and it only gets worse as you get older........trust me on this one......I speak from firsthand, personal experience.
Matt B.