HI I FELL ON MY RIGHT SHOULKDER JAMMING IT INTO THE SIDE OF MY NECK HAD ARTHOSCOPIC SURGERY on shoulder for impingment had mri of shoulder and xray of neck BONE SCAN ON CLAVICAL. EVEN SEEING AN ACUPUNCTURIST. WHY IS IT THOUGH THAT WHEN I MOVE MY ARM IN A FULL CIRCLE IS THERE POPPING AND PAIN ON THE SIDE OF MY NECK INTO MY CLAVICAL AND TRAPEZIUS AREA? I HAVE HAD VERTIGO BECAUSE OF THIS AND HEADACHES FOR 7 MONTHS NOW PAIN WILL NOT GO AWAY? I've had 14 sessions of physical therapy and nothing has helped.