I have severe shoulder pain only upon certain movments. Worse pain when I lie down on my side, bend my elbow and put my head on my hand.I m 66, 220 and have never had shoulder pain ever. It started when I tripped and fell, landing on both knees, my right bent elbow and flat left hand.I am seeing an ortho, got PT and cortisone but they don t seem to know what is really wrong.