Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Rotator Cuff Injuries ?
    ### Response:
    Your rotator cuff is located in your shoulder area. It is made of muscles and tendons. It helps your shoulder to move and stay stable. Problems with the rotator cuff are common. They include tendinitis, bursitis, and injuries such as tears.    Rotator cuff tendons can become inflamed from frequent use or aging.
    