If you think the injury was golf related maybe during your layoff you could gently work on an improved motion. Homer is on record as thinking that the quickest results are attained without the ball being present. Lynn's first teaching classes were in a ball room during the winter months with students emerging in the spring to see shockingly improved striking ability.
Like tai chi for golfers. You may have to give up golf but you dont have to give up G.O.L.F. You could work your way through 12-3 THE MECHANICAL CHECKLIST FOR ALL STROKES in slow motion, sort of like the Hogan slow motion video. You can do the motion training of the McDonald exercises and later the Melhourne drills when you're able to hit some Acquired shots. You might come back better than ever, better for not having the ball in front of you.