The nurse assesses a client who comes to the clinic with neck stiffness and discomfort. Which finding of the cervical spine should the nurse inquire further about lifestyle habits?

Observation of cervical range of motion reveals flexion and extension is 25 degrees.

Evaluation of cranial nerve XI reveals flexion is maintained against full resistance.

Inspection of head and neck is observed in a straight alignment without lateral curves.

Palpation of the spinous processes and surrounding muscles are non-tender.