When you move, your Mind sends electrical alerts to your cells in the muscles, telling them to extend or deal. Conditions like most cancers and meningitis may cause pain from the neck. Rheumatoid arthritis and cervical spondylosis (arthritis with the neck) are also prevalent circumstances that lead to neck stiffness. https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort/