If you notice in the goals listed above, there is quite a difference between goal 1 and goal 4. This is usually due to the health history of the patient, with goal 4 patients having significant degeneration already present, inactive lifestyle, or perhaps significant other health issues already in place. Even in goal 4 patients there can significant help attained because these patients typically appreciate the opportunity to slow down the rate at which their conditions become worse.
Upon examination and consultation, the goals that can be expected will be explained to you. Please remember that those patients in this category need to be more patient with treatment as they typically respond slower to care than patients who are younger. While this fact may seem obvious, it needs to be stated so that patients can have proper expectations.