Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Czech dysplasia ?
    ### Response:
    Czech dysplasia is an inherited condition that affects joint function and bone development. People with this condition have joint pain (osteoarthritis) that begins in adolescence or early adulthood. The joint pain mainly affects the hips, knees, shoulders, and spine and may impair mobility.
    