Third Ward of Orthopedics Department Qilu Hospital Shandong University Jinan 250012 Shandong Province China;
Department of Spine Surgery Shandong Provincial Qianfoshan Hospital The First Affiliated Hospital of Shandong First Medical University Jinan 250014 Shandong Province China;
Department of Nursing Qilu Hospital Shandong University Jinan 250012 Shandong Province China;
Anterior approach; Surgical position; Total cervical artificial disc replacement; Cervical spondylosis;