shoulder impingement: when tendons rub against bone. concept injury, shoulder pain, rotator cuff,

shoulder impingement tendons bone injury pain inflammation rotator cuff blade joint movement overhead activities repetitive motion bursitis swelling discomfort physical therapy rehabilitation exercises stretching strengthening range muscles orthopedic diagnosis treatment corticosteroid injections rest ice compression elevation arthroscopic recovery prevention posture stability mobility strength flexibility health rub aigenerated impingement: concept