Answer: Cervical spine
Step-by-step explanation:
Cervical spine is the superior portion of the vertebrae column, lying between cranium and thoracic vertebrae.
Symptoms of Cervical spine pain are the following;
•Pain in the neck that may travel to your arms or shoulders.
•Headaches.
•A grinding feeling when you move your neck
•Numbness in your shoulders, arms, or hands.
•Stiffness in the neck.
So, it's a high probability she's having a cervical spine issue