A client with subacute back pain asks the nurse about strategies to help keep the low back pain from becoming chronic. Which of the following responses is appropriate for the nurse to make at this time?

There is nothing that you can do to prevent the pain from becoming chronic.

Try to get plenty of rest every night and avoid all physical activity.

It is okay if you take your medication a few hours early if you need to.

Try to maintain good posture and strengthen your core.