causes of chronic muscle pain and stiffness
By far the most common cause of a stiff neck is a muscle sprain or muscle strain, particularly to the levator scapula muscle. Located at the back and side of the neck, the levator scapula muscle connects the cervical spine (the neck) with the shoulder.y far the most common cause of a stiff neck is a muscle sprain or muscle strain, particularly to the levator scapula muscle. Located at the back and side of the neck, the levator scapula muscle connects the cervical spine (the neck) with the shoulder.